The Plan Cache Whisperer - Performance Tuning SQL Server

•Download as PPTX, PDF•

1 like•1,134 views

Execution plans tell SQL Server how to execute queries. If you listen closely, execution plans can also tell you when performance-tuning opportunities exist in your environment. By listening to your queries, you can understand how SQL Server is operating and gain insight into how your environment is functioning. In this session, learn how to use XQuery to browse and search the plan cache, enabling you to find potential performance issues and opportunities to tune your queries. In addition, learn how a performance issue on a single execution plan can be used to find similar issues on other execution plans, enabling you to scale up your performance tuning effectiveness. You can use this information to help reduce issues related to parallelism, shift queries from using scans to using seek operations, or discover exactly which queries are using which indexes. All this and more is readily available through the plan cache.

Technology

The Plan Cache
Whisperer
Performance Tuning SQL Server
Jason Strate, Principal Consultant,
Pragmatic Works

Without knowledge
action is useless and
knowledge without
action is futile.
- Abu Baker

7
What types of
execution plan
performance issues
do you watch for?

Agenda
Plan Cache Foundation
Relational Operators
Index Analysis
Execution Patterns

Plan Cache Foundation
Plan Cache
Foundation
Relational
Operators
Index
Analysis
Execution
Patterns

What is the plan cache?
• SQL Server memory
• Stores execution plans
• From Query Optimizer
• Used to execute SQL statements.

Plan Cache
sys.dm_exec_cached_plans
• All Plans
• Size
• Use count
sys.dm_exec_query_plan
• Table Valued Function
• SHOWPLAN XML as XML
sys.dm_exec_text_query_plan
• Table Valued Function
• SHOWPLAN XML as text

Plan Handle
sys.dm_exec_requests
• Current connection
• Vaguely similar to sp_who
sys.dm_exec_query_stats
• Stats on executed queries
• Contains SQL_Handle
sys.dm_exec_cached_plans
• Stats on cached plans
• Distinct list of plans

Showplan XML Structure
ShowPlanXML
BatchSequence
Batch
Statements
StmtSimple

Relational Operators
Plan Cache
Foundation
Relational
Operators
Index
Analysis
Execution
Patterns

Relational Operators
Activities within execution plan
• Clustered Index Scan
• Merge Join
• Compute Scalar
• Filter
Describe the operation
Both logical and physical

Index Analysis
Plan Cache
Foundation
Relational
Operators
Index
Analysis
Execution
Patterns

What do I need?
Where am I using it?
Quality vs. Quantity?
Indexing Problems

Missing index DMVs
• sys.dm_db_missing_index_columns
• sys.dm_db_missing_index_details
• sys.dm_db_missing_index_group_stats
• sys.dm_db_missing_index_groups
What queries do you test?
What do I need?
http://www.flickr.com/photos/fallentomato/3918329246/

Increasing index scans?
How do you correlate perf stats?
• Access Methods:Full Scans/sec
Dynamic management view
• sys.dm_db_index_usage_stats
• sys.dm_db_index_operational_stats
Where am I using it?

What plans are using an index?
• What is the potential effect?
• Does it impact any critical processes?
• Should you drop it?
Quality vs. Quantity?
25

Execution Patterns
Plan Cache
Foundation
Relational
Operators
Index
Analysis
Execution
Patterns

Are Key Lookups Bad?
SELECT SalesOrderID, SalesOrderNumber, OrderDate, DueDate, ShipDate
FROM Sales.SalesOrderHeader
WHERE CustomerID = 11238

Functions and Predicates
SELECT * FROM Sales.SalesOrderHeader soh
INNER JOIN Sales.SalesOrderDetail sod
ON sod.SalesOrderID = soh.SalesOrderID
WHERE dbo.CleanSalesOrder(sod.SalesOrderID) < 43665
29

Your Call To Action
Be creative in using your
performance tuning knowledge
Think of performance issues as
patterns
Always prioritize your performance
tuning efforts

32
Explore Everything PASS Has to Offer
FREE ONLINE WEBINAR EVENTS FREE 1-DAY LOCAL TRAINING EVENTS
LOCAL USER GROUPS
AROUND THE WORLD
ONLINE SPECIAL INTEREST
USER GROUPS
BUSINESS ANALYTICS TRAINING
VOLUNTEERING OPPORTUNITIES
PASS COMMUNITY NEWSLETTER
BA INSIGHTS NEWSLETTERFREE ONLINE RESOURCES

33
Session Evaluations
ways to access
Go to passSummit.com Download the GuideBook App
and search: PASS Summit 2015
Follow the QR code link displayed
on session signage throughout the
conference venue and in the
program guide
Submit by 5pm
Friday November 6th to
WIN prizes
Your feedback is
important and valuable.

Thank You
Jason
Strate
e: jstrate@pragmaticworks.com
e: jasonstrate@gmail.com
b: www.jasonstrate.com
t: StrateSQL

What's hot

The Oracle Optimizer is the main brain behind an Oracle database, especially since it’s required in processing every SQL statement. The optimizer determines the most efficient execution plan based on the structure of the given query, the statistics available on the underlying objects as well as using all pertinent optimizer features available. In this presentation, we will introduce all of the new optimizer / statistics-related features in Oracle 12.2 release.

Getting the most out of your Oracle 12.2 Optimizer (i.e. The Brain)

SolarWinds

Exploring T-SQL Anti-Patterns

Antonios Chatzipavlis

Introducing Azure Databases

Grant Fritchey

Google Certified Professional - Data Engineer enables data-driven decision making by collecting, transforming, and visualizing data. The Data Engineer designs, builds, maintains, and troubleshoots data processing systems with a particular emphasis on the security, reliability, fault-tolerance, scalability, fidelity, and efficiency of such systems. The Data Engineer also analyzes data to gain insight into business outcomes, builds statistical models to support decision-making, and creates machine learning models to automate and simplify key business processes.

Google cloud certification data engineer

Joseph Holbrook, Chief Learning Officer (CLO)

Apache Spark has been an integral part of Stitch Fix’s compute infrastructure. Over the past five years, it has become our de facto standard for most ETL and heavy data processing needs and expanded our capabilities in the Data Warehouse. Since all our writes to the Data Warehouse are through Apache Spark, we took advantage of that to add more modules that supplement ETL writing. Config driven and purposeful, these modules perform tasks onto a Spark Dataframe meant for a destination Hive table. These are organized as a sequence of transformations on the Apache Spark dataframe prior to being written to the table.These include a process of journalizing. It is a process which helps maintain a non-duplicated historical record of mutable data associated with different parts of our business. Data quality, another such module, is enabled on the fly using Apache Spark. Using Apache Spark we calculate metrics and have an adjacent service to help run quality tests for a table on the incoming data. And finally, we cleanse data based on provided configurations, validate and write data into the warehouse. We have an internal versioning strategy in the Data Warehouse that allows us to know the difference between new and old data for a table. Having these modules at the time of writing data allows cleaning, validation and testing of data prior to entering the Data Warehouse thus relieving us, programmatically, of most of the data problems. This talk focuses on ETL writing in Stitch Fix and describes these modules that help our Data Scientists on a daily basis.

Modularized ETL Writing with Apache Spark

Databricks

Data Engineers are responsible for data cleansing, prepping, aggregating, and loading analytical data stores, which is often difficult and time-consuming. Azure Data Factory makes this work easy and expedites solution development. We’ll demonstrate how Azure Data Factory can enable a new UI-driven ETL design paradigm on top of Azure Databricks for building scaled-out data transformation pipelines.

ETL Made Easy with Azure Data Factory and Azure Databricks

Databricks

Accelerating Data Science Initiatives with Databricks’ Rapid SQL Analytics and Privacera’s Centralized Data Access Governance. Databricks’ SQL Analytics helps data teams consolidate and simplify their data architectures. With SQL Analytics, data teams can perform BI and SQL workloads on the same multi-cloud lakehouse architecture enabling data scientists to perform advanced analytics on unstructured and large-scale data. This session will explore how Privacera’s advanced security, privacy, and governance capabilities seamlessly integrate with Databricks’ unified SQL Analytics approach to provide single pane visibility of data analytics from a centralized location. Attendees will learn how to: Rapidly access data to run high-fidelity analytics Implement a fully secure solution that ensures productivity, while controlling data access at fine-grained levels (row, column, and file) Easily enable consistent access policies across all systems and applications Support true data transparency across enterprises Comply with stringent industry and privacy regulations like GDPR, LGPD, HIPAA, CCPA, PCI DSS, RTBF, and more with rich auditing and reporting

Accelerate Data Science Initiatives: Databricks & Privacera

Databricks

MemSQL 201: Advanced Tips and Tricks Webcast

SingleStore

Presentation by Tony Davis at SQL in The City 2016. An execution plan tells you exactly which tables and indexes SQL Server accessed, in what order, and what other operations it performed to return the data your query needed. But sometimes, the plan for even the simplest-looking query can reveal nasty surprises. This session describes how SQL Server generates and reuses execution plans and the implications this has for you as the developer. After a quick-start guide to retrieving and reading plans, we'll focus on techniques that can help you track down high-cost queries quickly. We'll cover tools such as ANTS Performance Profiler, as well as scripts that hunt down execution plans for queries that caused expensive scans, sort warnings, and other issues. Examining those plans, you'll uncover the root cause of the problem, often revealing issues such as inefficient indexing, data type mismatches, and misuse of functions. Learn more about ANTS Performance Profiler: http://www.red-gate.com/products/dotnet-development/ants-performance-profiler/ Find out about all Redgate Products: http://www.red-gate.com/products/ Connect with Tony Davis on LinkedIn: https://www.linkedin.com/in/tony-davis-208b241

Uncovering SQL Server query problems with execution plans - Tony Davis

Red Gate Software

Building Dynamic Data Pipelines in Azure Data Factory (Microsoft Ignite 2019)

Cathrine Wilhelmsen

Designing a modern data warehouse in azure

Antonios Chatzipavlis

Optimizing MS Dynamics AX 2012 R3

Juan Fabian

We started out processing big data using AWS S3, EMR clusters, and Athena to serve Analytics data extracts to Tableau BI. However as our data and teams sizes increased, Avro schemas from source data evolved, and we attempted to serve analytics data through Web apps, we hit a number of limitations in the AWS EMR, Glue/Athena approach. This is a story of how we scaled out our data processing and boosted team productivity to meet our current demand for insights from 20M+ Smart Homes and 500M+ devices across the globe, from numerous internal business teams and our 150+ CSP partners. We will describe lessons learnt and best practices established as we enabled our teams with DataBricks autoscaling Job clusters and Notebooks and migrated our Avro/Parquet data to use MetaStore, SQL Endpoints and SQLA Console, while charting the path to the Delta lake…

Delivering Insights from 20M+ Smart Homes with 500M+ Devices

Databricks

SQL Server 2016 introduces a new platform for building intelligent, advanced analytic applications called SQL Server R Services. This session is for the SQL Server Database professional to learn more about this technology and its impact on managing a SQL Server environment. We will cover the basics of this technology but also look at how it works, troubleshooting topics, and even usage case scenarios. You don't have to be a data scientist to understand SQL Server R Services but you need to know how this works so come upgrade you career by learning more about SQL Server and advanced analytics.

SQL Server R Services: What Every SQL Professional Should Know

Bob Ward

In financial world, petabytes of transactional data need to be stored, processed, distributed across global customers and partners in a secured, compliant and accurate way with high availability, resiliency and observability. In American Express, we need to generate hundreds of different kinds of reports and distribute to thousands of partners in different schedules based on billions of daily transactions. Our next generation reporting framework is a highly configurable enterprise framework that caters to different reporting needs with zero development. This reusable framework entails dynamic scheduling of partner-specific reports, transforming, aggregating and filtering the data into different dataframes using inbuilt as well as user-defined spark functions leveraging spark’s in memory and parallel processing capabilities. This also encompasses applying business rules and converting it into different formats by embedding template engines like FreeMarker and Mustache into the framework.

Configuration Driven Reporting On Large Dataset Using Apache Spark

Databricks

You can watch the replay for this Geek Sync webcast in the IDERA Resource Center: https://www.idera.com/resourcecentral/webcasts/geeksync/intro-to-query-store In this Geek Sync, we will look at the new Query Store features in SQL Server 2016, 2017, and 2019. For SQL Server 2016, the Query Store tracks changes in execution plans, allowing you to easily view performance differences and revert to older plans with a few mouse clicks. Then in 2017, Microsoft added wait stats per query plan and automatic plan correction capabilities. This provides DBAs with more tools to troubleshoot fires and a way to automatically resolve issues. Tracy Boggiano will walk through the features of the Query Store, so you can understand how to use them in SQL Server 2016, 2017, and 2019. Speaker: Tracy Boggiano is a Senior Database Administrator for DocuSIgn. She has spent over 20 years in IT, using SQL Server since 1999, and is currently certified as an MCSE Data Platform. Tracy has worked on SQL Server since 6.5. She has spoken at local user groups and numerous SQLSaturdays. She is currently a co-leader of a TriPASS Local Group in Raleigh, NC. Tracy also tinkered with databases in middle school to keep her sports card collection organized. She blogs at databasesuperhero.com. Her passion outside of SQL Server is volunteering with foster children as their advocate in court through volunteerforgal.org and being a mental health advocate as part of the PAIMI NC Advisory Council.

Geek Sync | Intro to Query Store

IDERA Software

Mapping Data Flows Training April 2021

Mark Kromer

Azure data lake sql konf 2016

Kenneth Michael Nielsen

Building ML models is a time consuming endeavor that requires a thorough understanding of feature engineering, selecting useful features, choosing an appropriate algorithm, and performing hyper-parameter tuning. Extensive experimentation is required to arrive at a robust and performant model. Additionally, keeping track of the models that have been developed and deployed may be complex. Solving these challenges is key for successfully implementing end-to-end ML pipelines at scale. In this talk, we will present a seamless integration of automated machine learning within a Databricks notebook, thus providing a truly unified analytics lifecycle for data scientists and business users with improved speed and efficiency. Specifically, we will show an app that generates and executes a Databricks notebook to train an ML model with H2O’s Driverless AI automatically. The resulting model will be automatically tracked and managed with MLflow. Furthermore, we will show several deployment options to score new data on a Databricks cluster or with an external REST server, all within the app.

Accelerate Your ML Pipeline with AutoML and MLflow

Databricks

Advanced analytics with R and SQL

MSDEVMTL

What's hot (20)

Getting the most out of your Oracle 12.2 Optimizer (i.e. The Brain)

Exploring T-SQL Anti-Patterns

Introducing Azure Databases

Google cloud certification data engineer

Modularized ETL Writing with Apache Spark

ETL Made Easy with Azure Data Factory and Azure Databricks

Accelerate Data Science Initiatives: Databricks & Privacera

MemSQL 201: Advanced Tips and Tricks Webcast

Uncovering SQL Server query problems with execution plans - Tony Davis

Building Dynamic Data Pipelines in Azure Data Factory (Microsoft Ignite 2019)

Designing a modern data warehouse in azure

Optimizing MS Dynamics AX 2012 R3

Delivering Insights from 20M+ Smart Homes with 500M+ Devices

SQL Server R Services: What Every SQL Professional Should Know

Configuration Driven Reporting On Large Dataset Using Apache Spark

Geek Sync | Intro to Query Store

Mapping Data Flows Training April 2021

Azure data lake sql konf 2016

Accelerate Your ML Pipeline with AutoML and MLflow

Advanced analytics with R and SQL

Similar to The Plan Cache Whisperer - Performance Tuning SQL Server

Discovering the plan cache (sql sat175)

Jason Strate

Is JDA a critical application for your business? Are you planning or completing a JDA upgrade? Have you experienced issues that are difficult to track, locate or root cause? If you answered YES to any of these questions, then this webinar is tailor-made for you. Industry experts from Spinnaker and Germain Software discuss best practices in managing a JDA environment. They share war stories to highlight why you are having issues, how you can locate and root cause them, and proactively safe guard your environment from the issues in the future!

Managing Challenges In Your JDA Environment

Spinnaker Management Group

Platform for Data Scientists

datamantra

Top 5 Java Performance Metrics, Tips & Tricks

AppDynamics

Your organization has a major system that is central to running its business. -Maybe it’s an ERP system running SAP, Oracle, Lawson or maybe a CRM system running Salesforce or Microsoft Dynamics, - or it’s a banking or trading system at a bank or other financial institution, - or an HR system running payroll through PeopleSoft or Workday Whatever the system is, it is constantly sending or receiving data feeds (generally in XML or flat file formats) to or from a customer, vendor, or another internal system. These major data interfaces are present in companies across every industry — from Financials to Pharmaceuticals, and Retail to Utilities — and they are handling data that is crucial to each business. As systems become more complex, it becomes more difficult for you to catch bad records or major data defects effectively before they reach their target system. Catch those "hard-to-find" data defects Your systems could be sending/receiving hundreds of feeds from different applications or data sources and each with different owners. In these circumstances, you may have little to no control over the format or quality of the data. Now this data needs to be integrated, mapped, and transformed into your systems. Can your existing manual testing process handle this task? The challenges you’re facing: Business: You’re working under time and resource constraints, so you need to speed up testing yet still increase coverage of data tested Technology: There is no easy way to natively test flat files, XML files, databases or Excel against any other data format Resources: You do not have enough people to test all of the data from the data feeds all of the time You know that this data needs to be consistently accurate and reliable — and catching any bad data or data defects seems almost impossible. Solve your Data Interface testing challenges QuerySurge is built to automate the testing for any movement of data, testing simple or complex transformations (ETL), as well as data movement without any transformation. - Test across different platforms, whether Big Data, data warehouse, database(s), NoSQL document store, flat files, json, web services or xml. - Automate the testing effort from the kickoff of tests to the data comparison to auto-emailing the results. - Speed up data testing and validation by as much as 1,000 times. - Schedule tests to run immediately, every Tuesday at 2:00am or after an event, such as an ETL job, triggers the tests. - Utilize the Data Analytics Dashboard and Data Intelligence Reports to analyze your data testing. - Get 100% coverage with a dramatic decrease in testing time It will allow you to quickly compare file to file, file to XML, and XML/files to a database without having to import your files into a database first (it also compares database to database).

How to Automate your Enterprise Application / ERP Testing

RTTS

The PeopleSoft Supply Chain Management Special Interest Group is a product-specific users' group comprised of all PeopleSoft Enterprise customers that have licensed PeopleSoft Supply Chain products. Covering: Demand Planning: Tools for the forecasting of sales and use of products and items. Allows for the publishing of forecasts for use by PeopleSoft applications to balance inventory investment against customer service levels. Allows the establishment of a balance between investments in safety stock, customer service levels, and operational efficiency while taking into account factors such as order quantities, cost of processing an order, and inventory carrying costs. Allows optimization of procurement, distribution, and production resources to ensure that there is sufficient inventory available to fulfill demand.

Reconnect17 PeopleSoft Supply Chain Management SIG Meeting

Smart ERP Solutions, Inc.

Watch video presentation and get a FREE performance management kit at http://www.lifecycle-performance-pros.com This presentation takes you through the steps of understanding your business intelligence needs and identifying the right tools for you. We discuss the different types of BI tools. We to discuss the criteria for selecting each type of tools. We to discuss popular Business Intelligence vendors and how to rate them. And we are going to discuss the job functions and responsibilities for a typical BI implementation

Choosing the Right Business Intelligence Tools for Your Data and Architectura...

Victor Holman

Fast and easy. No Programming needed. The latest QuerySurge release introduces the new Query Wizards. The Wizards allow both novice and experienced team members to validate their organization's data quickly with no SQL programming required. The Wizards provide an immediate ROI through their ease-of-use and ensure that minimal time and effort are required for developing tests and obtaining results. Even novice testers are productive as soon as they start using the Wizards! According to a recent survey of Data Architects and other data experts on LinkedIn, approximately 80% of columns in a data warehouse have no transformations, meaning the Wizards can test all of these columns quickly & easily, (The columns with transformations can be tested using the QuerySurge Design library using custom SQL coding.) There are 3 Types of automated Data Comparisons: - Column-Level Comparison - Table-Level Comparison - Row Count Comparison There are also automated features for filtering (‘Where’ clause) and sorting (‘Order By’ clause). The Wizards provide both novices and non-technical team members with a fast & easy way to be productive immediately and speed up testing for team members skilled in SQL. Trial our software either as a download or in the cloud at www.QuerySurge.com. The trial comes with a built-in tutorial and sample data.

Query Wizards - data testing made easy - no programming

RTTS

Testing of Hadoop, NoSQL and Data Warehouses Visually ----------------------------------------------------------------------------- We just made automated data testing really easy. Automate your Big Data testing visually, with no programming needed. See how to automate Hadoop, No SQL and Data Warehouse testing visually, without writing any SQL or HQL. See how QuerySurge, the leading Big Data testing solution, provides novices and non-technical team members with a fast & easy way to be productive immediately while speeding up testing for team members skilled in SQL/HQL. This webinar is geared towards: - Big Data & Data Warehouse Architects, ETL Developers - ETL Testers, Big Data Testers - Data Analysts - Operations teams - Business Intelligence (BI) Architects - Data Management Officers & Directors You will learn how to: • Improve your Data Quality • Accelerate your data testing cycles • Reduce your costs & risks • Realize a huge ROI

Big Data Testing : Automate theTesting of Hadoop, NoSQL & DWH without Writing...

RTTS

Copy of Alok_Singh_CV

Alok Singh

Stop the Chaos! Get Real Oracle Performance by Query Tuning Part 2

SolarWinds

Query tuning within SQL Server can be a tough skill to master. The new tooling released with SQL Server 2016 and 2017 changes how you identify poorly performing queries, troubleshoot their behavior and tune the queries, all a little easier. This workshop teaches new techniques for tuning queries using all the new tools introduced in SQL Server 2016 and 2017. You'll be able to put this knowledge to work immediately, not only in your 2016 or better instances but also in your Azure SQL Database databases. You will be tuning your queries faster and more accurately using the new tools available.

SQL Server Tools for Query Tuning

Grant Fritchey

Presentation application change management and data masking strategies for ...

xKinAnx

Boosting the Performance of your Rails Apps

Matt Kuklinski

Performance Tuning with Execution Plans

Grant Fritchey

Best practice for_agile_ds_projects

Khalid Kahloot

Leverage The Power of JD Edwards Manufacturing Functionality | COLLABORATE19 Workshop Recap Missed COLLABORATE19? Don't worry, we've got you covered. Learn what you missed from our JD Edwards Manufacturing Deep Dive Workshop during C19. Broken up into four 50 minute sessions, we're focusing on popular JD Edwards manufacturing topics that most JD Edwards World and EnterpriseOne users want to learn more about.

JD Edwards Manufacturing Deep Dive Workshop

Terillium

Discovering the Plan Cache (#SQLSat 206)

Jason Strate

Ajit Kumar

AJIT KUMAR

Ajit Kumar

AJIT KUMAR

Similar to The Plan Cache Whisperer - Performance Tuning SQL Server (20)

Discovering the plan cache (sql sat175)

Managing Challenges In Your JDA Environment

Platform for Data Scientists

Top 5 Java Performance Metrics, Tips & Tricks

How to Automate your Enterprise Application / ERP Testing

Reconnect17 PeopleSoft Supply Chain Management SIG Meeting

Choosing the Right Business Intelligence Tools for Your Data and Architectura...

Query Wizards - data testing made easy - no programming

Big Data Testing : Automate theTesting of Hadoop, NoSQL & DWH without Writing...

Copy of Alok_Singh_CV

Stop the Chaos! Get Real Oracle Performance by Query Tuning Part 2

SQL Server Tools for Query Tuning

Presentation application change management and data masking strategies for ...

Boosting the Performance of your Rails Apps

Performance Tuning with Execution Plans

Best practice for_agile_ds_projects

JD Edwards Manufacturing Deep Dive Workshop

Discovering the Plan Cache (#SQLSat 206)

Ajit Kumar

More from Jason Strate

Business Intelligence (BI) solutions need to move at the speed of business. Unfortunately, roadblocks related to availability of resources and deployment often present an issue. What if you could accelerate the deployment of an entire BI infrastructure to just a couple hours and start loading data into it by the end of the day. In this session, we'll demonstrate how to leverage Microsoft tools and the Azure cloud environment to build out a BI solution and begin providing analytics to your team with tools such as Power BI. By end of the session, you'll gain an understanding of the capabilities of Azure and how you can start building an end to end BI proof-of-concept today.

Accelerating Business Intelligence Solutions with Microsoft Azure pass

Jason Strate

The Microsoft Windows Azure platform provides service-based offerings for your data needs. These include services from file storage to SQL databases that are scalable to your specific needs. Regardless of the size of your data platform, Windows Azure has options that fit to your business needs. In this session, we'll discuss the Windows Azure platform and discuss how the SQL Database and other services enhance and extend your data platform. By session end, you'll understand how Windows Azure is able to fit into your environment and be ready to start using Windows Azure. http://pragmaticworks.com/LearningCenter/FreeTrainingWebinars/PastWebinars.aspx?ResourceId=639

Getting Started with Windows Azure and SQL Databases

Jason Strate

There are many "best practices" around that help people decide how to index databases. Having these practices can help alleviate the time that it takes to design an indexing strategy for a database. These practices can be of great use, except when they are wrong. Join us in this session, as we discuss some common myths associated with indexes and then dive into the myths to demonstrate how they can be debunked. At the end of the session, you'll know a few more things about indexes and leave armed with scripts that can help you debunk these myths on your own. http://pragmaticworks.com/LearningCenter/FreeTrainingWebinars/PastWebinars.aspx?ResourceId=654

5 SQL Server Indexing Myths

Jason Strate

Introduction to Columnstore Indexes

Jason Strate

Introduction to Clustered Indexes and Heaps

Jason Strate

A non-clustered index is just another way to get to data. Add in a couple columns and off you go. Not too much to think about, just fire and forget. But it’s not really that easy. Non-clustered indexes have a number of various ways in which they can be built and designed that can have significant impacts on performance. In this session we’ll look at what can go into a non-clustered index. We will explore what you can put into a non-clustered index and what you can expect back out from performance.

The Flavors of Non-Clustered Indexes

Jason Strate

Necessary Evils, Building Optimized CRUD Procedures

Jason Strate

How Do Non-Clustered Indexes Improve Performance?

Jason Strate

We often hear that you should always have clustered indexes on your tables. What's left off of this discussion is the how to choose the columns for this index. Should it be the primary key? Or some other column or set of columns? Having the wrong key column(s) in the clustered index can lead to performance problems, possibly worse than having no clustered index on the table at all. In this session, we'll review common patterns for selecting clustered indexes and how to determine which pattern you need. Also, we'll look at how to analyze tables to help select the best clustered index for every table. http://www.jasonstrate.com/go/20131010-IX/

Choosing Your Clustered Index

Jason Strate

BuildingSecurity Audits with Extended Events

Jason Strate

5 Amazing Reasons DBAs Need to Love Extended Events

Jason Strate

5 ways to improve performance through indexing

Jason Strate

The Side Effect of NOLOCK

Jason Strate

Introduction to SQL Server Security

Jason Strate

What are you waiting for? (#SQLSat211)

Jason Strate

Discovering the plan cache (#SQLSat211)

Jason Strate

A Function by Any Other Name is a Function

Jason Strate

What are you waiting for

Jason Strate

More from Jason Strate (18)

Accelerating Business Intelligence Solutions with Microsoft Azure pass

Getting Started with Windows Azure and SQL Databases

5 SQL Server Indexing Myths

Introduction to Columnstore Indexes

Introduction to Clustered Indexes and Heaps

The Flavors of Non-Clustered Indexes

Necessary Evils, Building Optimized CRUD Procedures

How Do Non-Clustered Indexes Improve Performance?

Choosing Your Clustered Index

BuildingSecurity Audits with Extended Events

5 Amazing Reasons DBAs Need to Love Extended Events

5 ways to improve performance through indexing

The Side Effect of NOLOCK

Introduction to SQL Server Security

What are you waiting for? (#SQLSat211)

Discovering the plan cache (#SQLSat211)

A Function by Any Other Name is a Function

What are you waiting for

Recently uploaded

ProductAnonymous-April2024-WinProductDiscovery-MelissaKlemke

Product Anonymous

DBX First Quarter 2024 Investor Presentation

Dropbox

Strategies for Landing an Oracle DBA Job as a Fresher

Remote DBA Services

Corporate and higher education. Two industries that, in the past, have had a clear divide with very little crossover. The difference in goals, learning styles and objectives paved the way for differing learning technologies platforms to evolve. Now, those stark lines are blurring as both sides are discovering they have content that’s relevant to the other. Join Tammy Rutherford as she walks through the pros and cons of corporate and higher ed collaborating. And the challenges of these different technology platforms working together for a brighter future.

Corporate and higher education May webinar.pptx

Rustici Software

Accelerating FinTech Innovation: Unleashing API Economy and GenAI Vasa Krishnan, Chief Technology Officer - FinResults Apidays New York 2024: The API Economy in the AI Era (April 30 & May 1, 2024) ------ Check out our conferences at https://www.apidays.global/ Do you want to sponsor or talk at one of our conferences? https://apidays.typeform.com/to/ILJeAaV8 Learn more on APIscene, the global media made by the community for the community: https://www.apiscene.io Explore the API ecosystem with the API Landscape: https://apilandscape.apiscene.io/

Apidays New York 2024 - Accelerating FinTech Innovation by Vasa Krishnan, Fin...

apidays

Repurposing LNG terminals for Hydrogen Ammonia: Feasibility and Cost Saving

Edi Saputra

MS Copilot expands with MS Graph connectors

Nanddeep Nachan

Following the popularity of “Cloud Revolution: Exploring the New Wave of Serverless Spatial Data,” we’re thrilled to announce this much-anticipated encore webinar. In this sequel, we’ll dive deeper into the Cloud-Native realm by uncovering practical applications and FME support for these new formats, including COGs, COPC, FlatGeoBuf, GeoParquet, STAC, and ZARR. Building on the foundation laid by industry leaders Michelle Roby of Radiant Earth and Chris Holmes of Planet in the first webinar, this second part offers an in-depth look at the real-world application and behind-the-scenes dynamics of these cutting-edge formats. We will spotlight specific use-cases and workflows, showcasing their efficiency and relevance in practical scenarios. Discover the vast possibilities each format holds, highlighted through detailed discussions and demonstrations. Our expert speakers will dissect the key aspects and provide critical takeaways for effective use, ensuring attendees leave with a thorough understanding of how to apply these formats in their own projects. Elevate your understanding of how FME supports these cutting-edge technologies, enhancing your ability to manage, share, and analyze spatial data. Whether you’re building on knowledge from our initial session or are new to the serverless spatial data landscape, this webinar is your gateway to mastering cloud-native formats in your workflows.

Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME

Safe Software

Boost Fertility New Invention Ups Success Rates.pdf

sudhanshuwaghmare1

Keynote 2: APIs in 2030: The Risk of Technological Sleepwalk Paolo Malinverno, Growth Advisor - The Business of Technology Apidays New York 2024: The API Economy in the AI Era (April 30 & May 1, 2024) ------ Check out our conferences at https://www.apidays.global/ Do you want to sponsor or talk at one of our conferences? https://apidays.typeform.com/to/ILJeAaV8 Learn more on APIscene, the global media made by the community for the community: https://www.apiscene.io Explore the API ecosystem with the API Landscape: https://apilandscape.apiscene.io/

Apidays New York 2024 - APIs in 2030: The Risk of Technological Sleepwalk by ...

apidays

💉💊+971581248768>> SAFE AND ORIGINAL ABORTION PILLS FOR SALE IN DUBAI AND ABUDHABI}}+971581248768 +971581248768 Mtp-Kit (500MG) Prices » Dubai [(+971581248768**)] Abortion Pills For Sale In Dubai, UAE, Mifepristone and Misoprostol Tablets Available In Dubai, UAE CONTACT DR.Maya Whatsapp +971581248768 We Have Abortion Pills / Cytotec Tablets /Mifegest Kit Available in Dubai, Sharjah, Abudhabi, Ajman, Alain, Fujairah, Ras Al Khaimah, Umm Al Quwain, UAE, Buy cytotec in Dubai +971581248768''''Abortion Pills near me DUBAI | ABU DHABI|UAE. Price of Misoprostol, Cytotec” +971581248768' Dr.DEEM ''BUY ABORTION PILLS MIFEGEST KIT, MISOPROTONE, CYTOTEC PILLS IN DUBAI, ABU DHABI,UAE'' Contact me now via What's App…… abortion Pills Cytotec also available Oman Qatar Doha Saudi Arabia Bahrain Above all, Cytotec Abortion Pills are Available In Dubai / UAE, you will be very happy to do abortion in Dubai we are providing cytotec 200mg abortion pill in Dubai, UAE. Medication abortion offers an alternative to Surgical Abortion for women in the early weeks of pregnancy. We only offer abortion pills from 1 week-6 Months. We then advise you to use surgery if its beyond 6 months. Our Abu Dhabi, Ajman, Al Ain, Dubai, Fujairah, Ras Al Khaimah (RAK), Sharjah, Umm Al Quwain (UAQ) United Arab Emirates Abortion Clinic provides the safest and most advanced techniques for providing non-surgical, medical and surgical abortion methods for early through late second trimester, including the Abortion By Pill Procedure (RU 486, Mifeprex, Mifepristone, early options French Abortion Pill), Tamoxifen, Methotrexate and Cytotec (Misoprostol). The Abu Dhabi, United Arab Emirates Abortion Clinic performs Same Day Abortion Procedure using medications that are taken on the first day of the office visit and will cause the abortion to occur generally within 4 to 6 hours (as early as 30 minutes) for patients who are 3 to 12 weeks pregnant. When Mifepristone and Misoprostol are used, 50% of patients complete in 4 to 6 hours; 75% to 80% in 12 hours; and 90% in 24 hours. We use a regimen that allows for completion without the need for surgery 99% of the time. All advanced second trimester and late term pregnancies at our Tampa clinic (17 to 24 weeks or greater) can be completed within 24 hours or less 99% of the time without the need surgery. The procedure is completed with minimal to no complications. Our Women's Health Center located in Abu Dhabi, United Arab Emirates, uses the latest medications for medical abortions (RU-486, Mifeprex, Mifegyne, Mifepristone, early options French abortion pill), Methotrexate and Cytotec (Misoprostol). The safety standards of our Abu Dhabi, United Arab Emirates Abortion Doctors remain unparalleled. They consistently maintain the lowest complication rates throughout the nation. Our Physicians and staff are always available to answer questions and care for women in one of the most difficult times in their lives. The decision to have an abortion at the Abortion Cl

+971581248768>> SAFE AND ORIGINAL ABORTION PILLS FOR SALE IN DUBAI AND ABUDHA...

?#DUbAI#??##{{(☎️+971_581248768%)**%*]'#abortion pills for sale in dubai@

The Good, the Bad and the Governed - Why is governance a dirty word? David O'Neill, Chief Operating Officer - APIContext Apidays New York 2024: The API Economy in the AI Era (April 30 & May 1, 2024) ------ Check out our conferences at https://www.apidays.global/ Do you want to sponsor or talk at one of our conferences? https://apidays.typeform.com/to/ILJeAaV8 Learn more on APIscene, the global media made by the community for the community: https://www.apiscene.io Explore the API ecosystem with the API Landscape: https://apilandscape.apiscene.io/

Apidays New York 2024 - The Good, the Bad and the Governed by David O'Neill, ...

apidays

Tracing the root cause of a performance issue requires a lot of patience, experience, and focus. It’s so hard that we sometimes attempt to guess by trying out tentative fixes, but that usually results in frustration, messy code, and a considerable waste of time and money. This talk explains how to correctly zoom in on a performance bottleneck using three levels of profiling: distributed tracing, metrics, and method profiling. After we learn to read the JVM profiler output as a flame graph, we explore a series of bottlenecks typical for backend systems, like connection/thread pool starvation, invisible aspects, blocking code, hot CPU methods, lock contention, and Virtual Thread pinning, and we learn to trace them even if they occur in library code you are not familiar with. Attend this talk and prepare for the performance issues that will eventually hit any successful system. About authorWith two decades of experience, Victor is a Java Champion working as a trainer for top companies in Europe. Five thousands developers in 120 companies attended his workshops, so he gets to debate every week the challenges that various projects struggle with. In return, Victor summarizes key points from these workshops in conference talks and online meetups for the European Software Crafters, the world’s largest developer community around architecture, refactoring, and testing. Discover how Victor can help you on victorrentea.ro : company training catalog, consultancy and YouTube playlists.

Finding Java's Hidden Performance Traps @ DevoxxUK 2024

Victor Rentea

When you’re building (micro)services, you have lots of framework options. Spring Boot is no doubt a popular choice. But there’s more! Take Quarkus, a framework that’s considered the rising star for Kubernetes-native Java. It always depends on what's best for your situation, but how to choose the best solution if you're comparing 2 frameworks? Both Spring Boot and Quarkus have their positives and negatives. Let us compare the two by live coding a couple of common use cases in Spring Boot and Quarkus. After this talk, you’ll be ready to get started with Quarkus yourself, and know when to select Quarkus or Spring Boot.

Spring Boot vs Quarkus the ultimate battle - DevoxxUK

Jago de Vreede

"I see eyes in my soup": How Delivery Hero implemented the safety system for ...

Zilliz

Following the popularity of "Cloud Revolution: Exploring the New Wave of Serverless Spatial Data," we're thrilled to announce this much-anticipated encore webinar. In this sequel, we'll dive deeper into the Cloud-Native realm by uncovering practical applications and FME support for these new formats, including COGs, COPC, FlatGeoBuf, GeoParquet, STAC, and ZARR. Building on the foundation laid by industry leaders Michelle Roby of Radiant Earth and Chris Holmes of Planet in the first webinar, this second part offers an in-depth look at the real-world application and behind-the-scenes dynamics of these cutting-edge formats. We will spotlight specific use-cases and workflows, showcasing their efficiency and relevance in practical scenarios. Discover the vast possibilities each format holds, highlighted through detailed discussions and demonstrations. Our expert speakers will dissect the key aspects and provide critical takeaways for effective use, ensuring attendees leave with a thorough understanding of how to apply these formats in their own projects. Elevate your understanding of how FME supports these cutting-edge technologies, enhancing your ability to manage, share, and analyze spatial data. Whether you're building on knowledge from our initial session or are new to the serverless spatial data landscape, this webinar is your gateway to mastering cloud-native formats in your workflows.

Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME

Safe Software

Axa Assurance Maroc - Insurer Innovation Award 2024

The Digital Insurer

Dubai, often portrayed as a shimmering oasis in the desert, faces its own set of challenges, including the occasional threat of flooding. Despite its reputation for opulence and modernity, the emirate is not immune to the forces of nature. In recent years, Dubai has experienced sporadic but significant floods, testing the resilience of its infrastructure and communities. Among the critical lifelines in this bustling metropolis is the Dubai International Airport, a bustling hub that connects the city to the world. This article explores the intersection of Dubai flood events and the resilience demonstrated by the Dubai International Airport in the face of such challenges.

Navigating the Deluge_ Dubai Floods and the Resilience of Dubai International...

Orbitshub

The action of the next cyber saga takes place in the mystical lands of the Asia-Pacific region, where the main characters began their digital activities in the middle of 2021 and qualitatively strengthened it in 2022. Corporate espionage, document theft, audio recordings, and data leaks from messaging platforms were all a matter of one day for Dark Pink. Their geographical focus may have started in the Asia-Pacific region, but their ambitions knew no bounds, targeting a European government ministry in a bold move to expand their portfolio. Their victim profile was as diverse as a UN meeting, targeting military organizations, government agencies, and even a religious organization. Because discrimination is not a fashionable agenda. In the world of cybercrime, they serve as a reminder that sometimes the most serious threats come in the most unassuming packages with a pink bow.

Cyberprint. Dark Pink Apt Group [EN].pdf

Overkill Security

Dubai, known for its towering skyscrapers, luxurious lifestyle, and relentless pursuit of innovation, often finds itself in the global spotlight. However, amidst the glitz and glamour, the emirate faces its own set of challenges, including the occasional threat of flooding. In recent years, Dubai has experienced sporadic but significant floods, disrupting normalcy and posing unique challenges to its infrastructure. Among the critical nodes in this bustling metropolis is the Dubai International Airport, a vital hub connecting the world. This article delves into the intersection of Dubai flood events and the resilience demonstrated by the Dubai International Airport in the face of such challenges.

Rising Above_ Dubai Floods and the Fortitude of Dubai International Airport.pdf

Orbitshub

Recently uploaded (20)

ProductAnonymous-April2024-WinProductDiscovery-MelissaKlemke

DBX First Quarter 2024 Investor Presentation

Strategies for Landing an Oracle DBA Job as a Fresher

Corporate and higher education May webinar.pptx

Apidays New York 2024 - Accelerating FinTech Innovation by Vasa Krishnan, Fin...

Repurposing LNG terminals for Hydrogen Ammonia: Feasibility and Cost Saving

MS Copilot expands with MS Graph connectors

Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME

Boost Fertility New Invention Ups Success Rates.pdf

Apidays New York 2024 - APIs in 2030: The Risk of Technological Sleepwalk by ...

+971581248768>> SAFE AND ORIGINAL ABORTION PILLS FOR SALE IN DUBAI AND ABUDHA...

Apidays New York 2024 - The Good, the Bad and the Governed by David O'Neill, ...

Finding Java's Hidden Performance Traps @ DevoxxUK 2024

Spring Boot vs Quarkus the ultimate battle - DevoxxUK

"I see eyes in my soup": How Delivery Hero implemented the safety system for ...

Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME

Axa Assurance Maroc - Insurer Innovation Award 2024

Navigating the Deluge_ Dubai Floods and the Resilience of Dubai International...

Cyberprint. Dark Pink Apt Group [EN].pdf

Rising Above_ Dubai Floods and the Fortitude of Dubai International Airport.pdf

The Plan Cache Whisperer - Performance Tuning SQL Server

1. The Plan Cache Whisperer Performance Tuning SQL Server Jason Strate, Principal Consultant, Pragmatic Works

2. 2 Please silence cell phones

3. Without knowledge action is useless and knowledge without action is futile. - Abu Baker

4. Ralph Marston

6. Scale Up Your Skills 6

7. 7 What types of execution plan performance issues do you watch for?

8. 8 What do you think about this?

9. Agenda Plan Cache Foundation Relational Operators Index Analysis Execution Patterns

10. Plan Cache Foundation Plan Cache Foundation Relational Operators Index Analysis Execution Patterns

11. What is the plan cache? • SQL Server memory • Stores execution plans • From Query Optimizer • Used to execute SQL statements.

12. Plan Cache sys.dm_exec_cached_plans • All Plans • Size • Use count sys.dm_exec_query_plan • Table Valued Function • SHOWPLAN XML as XML sys.dm_exec_text_query_plan • Table Valued Function • SHOWPLAN XML as text

13. Plan Handle sys.dm_exec_requests • Current connection • Vaguely similar to sp_who sys.dm_exec_query_stats • Stats on executed queries • Contains SQL_Handle sys.dm_exec_cached_plans • Stats on cached plans • Distinct list of plans

14. Getting Started

15. Execution Plan

16. Showplan XML Structure ShowPlanXML BatchSequence Batch Statements StmtSimple

17. Demo Plan Cache DMVs and SHOWPLAN XML

18. Relational Operators Plan Cache Foundation Relational Operators Index Analysis Execution Patterns

19. Relational Operators Activities within execution plan • Clustered Index Scan • Merge Join • Compute Scalar • Filter Describe the operation Both logical and physical

20. Demo Relational Operators

21. Index Analysis Plan Cache Foundation Relational Operators Index Analysis Execution Patterns

22. What do I need? Where am I using it? Quality vs. Quantity? Indexing Problems

23. Missing index DMVs • sys.dm_db_missing_index_columns • sys.dm_db_missing_index_details • sys.dm_db_missing_index_group_stats • sys.dm_db_missing_index_groups What queries do you test? What do I need? http://www.flickr.com/photos/fallentomato/3918329246/

24. Increasing index scans? How do you correlate perf stats? • Access Methods:Full Scans/sec Dynamic management view • sys.dm_db_index_usage_stats • sys.dm_db_index_operational_stats Where am I using it?

25. What plans are using an index? • What is the potential effect? • Does it impact any critical processes? • Should you drop it? Quality vs. Quantity? 25

26. Demo Index Analysis

27. Execution Patterns Plan Cache Foundation Relational Operators Index Analysis Execution Patterns

28. Are Key Lookups Bad? SELECT SalesOrderID, SalesOrderNumber, OrderDate, DueDate, ShipDate FROM Sales.SalesOrderHeader WHERE CustomerID = 11238

29. Functions and Predicates SELECT * FROM Sales.SalesOrderHeader soh INNER JOIN Sales.SalesOrderDetail sod ON sod.SalesOrderID = soh.SalesOrderID WHERE dbo.CleanSalesOrder(sod.SalesOrderID) < 43665 29

30. Demo Execution Patterns

31. Your Call To Action Be creative in using your performance tuning knowledge Think of performance issues as patterns Always prioritize your performance tuning efforts

32. 32 Explore Everything PASS Has to Offer FREE ONLINE WEBINAR EVENTS FREE 1-DAY LOCAL TRAINING EVENTS LOCAL USER GROUPS AROUND THE WORLD ONLINE SPECIAL INTEREST USER GROUPS BUSINESS ANALYTICS TRAINING VOLUNTEERING OPPORTUNITIES PASS COMMUNITY NEWSLETTER BA INSIGHTS NEWSLETTERFREE ONLINE RESOURCES

33. 33 Session Evaluations ways to access Go to passSummit.com Download the GuideBook App and search: PASS Summit 2015 Follow the QR code link displayed on session signage throughout the conference venue and in the program guide Submit by 5pm Friday November 6th to WIN prizes Your feedback is important and valuable.

34. Thank You Jason Strate e: jstrate@pragmaticworks.com e: jasonstrate@gmail.com b: www.jasonstrate.com t: StrateSQL

Editor's Notes

http://www.cx.com.s3.amazonaws.com/img/wp/blog/slow-website.jpg When I first started talking to people about querying the plan cache, it was about interesting things. But the more I’ve gotten into looking at the plan cache, I’ve found that the value is find slowly performing items and finding new ways to make that problem actionable.
https://s3-us-west-1.amazonaws.com/kout.io/whatyoudotoday_2880x1800.jpg What I want to discuss today is how you take something you know and expand that to a more holistic view of your entire platform.
http://www.fastcompany.com/3037224/fast-feed/whispers-no-good-very-bad-day So we’re going to look at how we can start talking differently to our SQL Server to better understand the problems it is encountering and how you can take different actions.
Some plans (bulk insert, no recompile) don’t exist in cache after execution Pros No setup Query-able Actionable Real World Cons Reset with service Activity flush Plans miss cache In Use
Varbinary(64) Hash value Identifies a plan
What indexes do I need? Where am I using indexes?

The Plan Cache Whisperer - Performance Tuning SQL Server

Recommended

Recommended

More Related Content

What's hot

What's hot (20)

Similar to The Plan Cache Whisperer - Performance Tuning SQL Server

Similar to The Plan Cache Whisperer - Performance Tuning SQL Server (20)

More from Jason Strate

More from Jason Strate (18)

Recently uploaded

Recently uploaded (20)

The Plan Cache Whisperer - Performance Tuning SQL Server

Editor's Notes