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dbplus.tech
Subtitle
Performance Monitor
for PostgreSQL
Agenda
1. Solution Architecture
2. Add the instance to monitoring
3. Main functionalities
4. Access management – Security ...
System architecture
DBPLUS Performance Monitor for PostgreSQL 3
A set of SQL procedures
responsible for collecting
informa...
Connect the instance to monitoring
In the main system
configurator window
(Configuration Wizard)
click [Add Another
instan...
Connect the instance to monitoring
Complete fields to add PostgreSQL
instance to monitoring process:
 Connection name (de...
Connect the instance to monitoring
DBPLUS Performance Monitor for PostgreSQL 6
In the next step, choose one
of the options...
Connect the database to monitoring
Summary of wizard configuration
process – add PostgreSQL instance
to monitoring
To comp...
Main functionalities – Table options
 It is possible to export
data to a CSV file
DBPLUS Performance Monitor for PostgreS...
Main functionalities – Table options
 The [+] button is presented in the Query Hash column
 Allows to fast view sql deta...
Main functionalities – Chart options
 Zoom in the selected
area on the chart
DBPLUS Performance Monitor for PostgreSQL 10...
Main functionalities – Chart options
Different types of charts:
 Line
 Area
 Column
It is possible to mark and unmark
t...
Dashboard – Home screen
Three ways to present
PostgreSQL instance:
 Icons view
DBPLUS Performance Monitor PostgreSQLfor 12
Dashboard – Home screen
Three ways to present
PostgreSQL instance:
 Grid view
DBPLUS Performance Monitor PostgreSQLfor 13...
Instance Load – Instance details
The chart presents information
about the basic database
statistics:
 Elapsed Time
 Wait...
Instance Load – Instance details
DBPLUS Performance Monitor PostgreSQLfor 15
After click on the point on
the chart, inform...
After click the point on the
chart there are information
about:
 The level of individual
waits
DBPLUS Performance Monitor...
Waits Overview
The graph shows the total
wait time for all sessions in
the instance in a selected
period.
The graph on the...
Waits Analyze
As part of a detailed analysis,
waits can sort by:
 Wait type
 Wait class
 Affecting performance
DBPLUS P...
Waits Analyze
Data presented in
the chart are visible
in the table form.
DBPLUS Performance Monitor PostgreSQLfor 19
SQL Analyze
The graph shows the query time
(Elapsed Time). Impact
assessment of individual queries
on all instances is pos...
SQL Details
Contains detailed performance
statistics for each query.
Data are presented for the
indicated period of time w...
It is possible to
compare the plans
used by a given query
over period of time.
SQL Details
Easy access to the
(Explain pla...
SQL Details
The ability to generate an
execution plan for any
parameters provided by the
user.
Substitution of sample call...
SQL Details
The query statistics can be
viewed in a graph by click
on a given column in the
table.
Instance load for…
- th...
Show Plan Objects
Page contains
information about:
 Query content
 Query plan
 Query objects:
 Views
 Indices
 Tabel...
SQL Details (cont.)
It is also possible to search
queries using Find SQL
The user can search by:
 Typing a text fragment
...
Load trends
Allows to get information
about trends that take
place in the database for
the indicated statistics.
Data are ...
Compare trends
Allows to compare
statistics.
Compare data collected
for a specific day -
Compare Days tab or
time period -...
Top SQL/SQL 3D
It presents information
about the most demanding
queries that have the
largest share in a given
statistic.
...
Top Day
Allows to display top
queries for Elapsed Time
and follow their behaviour
changes.
DBPLUS Performance Monitor Post...
Slow SQL’s
Presents queries that
lasted for more than 200
seconds for a given period
(default value).
DBPLUS Performance M...
I/O Stats
The module is used to
analyse I/O performance.
Available information:
 Number of reads
 Number of writes
 Dur...
I/O Stats
It is possible to compare
data collected for a given
day (Days Compare) as
well as for the period
(Period Compar...
Space Monitor
Allows to analyse the
current occupancy disk
space by:
 Instancje PostgreSQL
 Databases
It also contains h...
Background Writer
It presents the information
available in the
pg_stat_bgwriter view.
This view contains
information about...
Sessions
This page stores information
about sessions in a database,
displayed according to the
criteria in the filters.
Se...
Sessions history
The table is divided into two
groups:
Yellow shows information
about active sessions.
Red shows informati...
Sessions history
Information about session
can be sorted by use:
 Wait type
 Query ID
 User Name
 Pid – session ID
 A...
Locks
Contains information
about locks that take
place in a given instance.
Online Locks
– allows for current locks
analys...
Locks
After select blocking/
blocked session, there are
information about:
 Query content
 Session parameters
 Transact...
Parameters
Allows to view and report
history of the change the
PostgreSQL instance
parameters.
The window presents the
cur...
Access management
DBPLUS Performance Monitor PostgreSQLfor 42
The ability to give access to individual
instances and scree...
Access management
DBPLUS Performance Monitor PostgreSQLfor 43
Own permissions (Use own permissions).
This type of permissi...
Access management
DBPLUS Performance Monitor PostgreSQLfor 44
Inherited permissions
(use Inherited permissions from parent...
Access management
DBPLUS Performance Monitor PostgreSQLfor 45
Access management is set on two levels:
 DBPLUS Configurati...
Anomaly Monitor
This module contains
information about problems
that affect database
performance.
Information is avaiable ...
Anomaly Monitor
Grouped by the creation
reasons and their impact
on the given statistics in
a database.
Presented in detai...
InstanceLoad
Information about Alerts is
also visible on the chart on
the Instance Load tab.
DBPLUS Performance Monitor Po...
Anomaly Monitor – Configuration
DBPLUS Performance Monitor PostgreSQLfor 49
Configuration and alert
definitions are availa...
Anomaly Monitor – Configuration
DBPLUS Performance Monitor PostgreSQLfor 50
 General settings
Contain parameter
configura...
Anomaly Monitor – How does it work?
DBPLUS Performance Monitor PostgreSQLfor 51
The Anomaly Monitor
is based on gathering
...
Anomaly Monitor – How does it work?
DBPLUS Performance Monitor PostgreSQLfor 52
The alert definition is based on:
Selectio...
Anomaly Monitor – How does it work?
DBPLUS Performance Monitor PostgreSQLfor 53
The alert definition is based on:
Determin...
Anomaly Monitor – How does it work?
DBPLUS Performance Monitor PostgreSQLfor 54
The alert definition is based on:
Setting ...
Anomaly Monitor – How does it work?
DBPLUS Performance Monitor PostgreSQLfor 55
To define the problem,
indicate the cause ...
Anomaly Monitor – problem definitions
DBPLUS Performance Monitor PostgreSQLfor 56
The next step of configuration:
 Set up...
dbplus.tech
Subtitle
Thank you!
www.dbplus.tech
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DBPLUS Performance Monitor for PostgeSQL  Slide 1 DBPLUS Performance Monitor for PostgeSQL  Slide 2 DBPLUS Performance Monitor for PostgeSQL  Slide 3 DBPLUS Performance Monitor for PostgeSQL  Slide 4 DBPLUS Performance Monitor for PostgeSQL  Slide 5 DBPLUS Performance Monitor for PostgeSQL  Slide 6 DBPLUS Performance Monitor for PostgeSQL  Slide 7 DBPLUS Performance Monitor for PostgeSQL  Slide 8 DBPLUS Performance Monitor for PostgeSQL  Slide 9 DBPLUS Performance Monitor for PostgeSQL  Slide 10 DBPLUS Performance Monitor for PostgeSQL  Slide 11 DBPLUS Performance Monitor for PostgeSQL  Slide 12 DBPLUS Performance Monitor for PostgeSQL  Slide 13 DBPLUS Performance Monitor for PostgeSQL  Slide 14 DBPLUS Performance Monitor for PostgeSQL  Slide 15 DBPLUS Performance Monitor for PostgeSQL  Slide 16 DBPLUS Performance Monitor for PostgeSQL  Slide 17 DBPLUS Performance Monitor for PostgeSQL  Slide 18 DBPLUS Performance Monitor for PostgeSQL  Slide 19 DBPLUS Performance Monitor for PostgeSQL  Slide 20 DBPLUS Performance Monitor for PostgeSQL  Slide 21 DBPLUS Performance Monitor for PostgeSQL  Slide 22 DBPLUS Performance Monitor for PostgeSQL  Slide 23 DBPLUS Performance Monitor for PostgeSQL  Slide 24 DBPLUS Performance Monitor for PostgeSQL  Slide 25 DBPLUS Performance Monitor for PostgeSQL  Slide 26 DBPLUS Performance Monitor for PostgeSQL  Slide 27 DBPLUS Performance Monitor for PostgeSQL  Slide 28 DBPLUS Performance Monitor for PostgeSQL  Slide 29 DBPLUS Performance Monitor for PostgeSQL  Slide 30 DBPLUS Performance Monitor for PostgeSQL  Slide 31 DBPLUS Performance Monitor for PostgeSQL  Slide 32 DBPLUS Performance Monitor for PostgeSQL  Slide 33 DBPLUS Performance Monitor for PostgeSQL  Slide 34 DBPLUS Performance Monitor for PostgeSQL  Slide 35 DBPLUS Performance Monitor for PostgeSQL  Slide 36 DBPLUS Performance Monitor for PostgeSQL  Slide 37 DBPLUS Performance Monitor for PostgeSQL  Slide 38 DBPLUS Performance Monitor for PostgeSQL  Slide 39 DBPLUS Performance Monitor for PostgeSQL  Slide 40 DBPLUS Performance Monitor for PostgeSQL  Slide 41 DBPLUS Performance Monitor for PostgeSQL  Slide 42 DBPLUS Performance Monitor for PostgeSQL  Slide 43 DBPLUS Performance Monitor for PostgeSQL  Slide 44 DBPLUS Performance Monitor for PostgeSQL  Slide 45 DBPLUS Performance Monitor for PostgeSQL  Slide 46 DBPLUS Performance Monitor for PostgeSQL  Slide 47 DBPLUS Performance Monitor for PostgeSQL  Slide 48 DBPLUS Performance Monitor for PostgeSQL  Slide 49 DBPLUS Performance Monitor for PostgeSQL  Slide 50 DBPLUS Performance Monitor for PostgeSQL  Slide 51 DBPLUS Performance Monitor for PostgeSQL  Slide 52 DBPLUS Performance Monitor for PostgeSQL  Slide 53 DBPLUS Performance Monitor for PostgeSQL  Slide 54 DBPLUS Performance Monitor for PostgeSQL  Slide 55 DBPLUS Performance Monitor for PostgeSQL  Slide 56 DBPLUS Performance Monitor for PostgeSQL  Slide 57
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Performance Monitor for PostgreSQL is a new product on the software market. The application allows for precise identification of problem with the performance of processes that run in the PostgreSQL database.

Key software features: analysis of historical trends allows to compare performance in a very wide range of dates - this allows access to information on how SQL queries (currently cause of the problem) have behaved in the past. The tool also studies trends in the long term to avoid performance problems in the future.

DBPLUS Performance Monitor does not require installation of any software on monitored databases. The system logs into databases at 15-minute intervals and collects performance statistics. The load of monitored instances is invisible. The application tracks the instance’s performance by monitoring active connections, collecting information about wait and locks that are responsible for long execution of queries. Monitors slow queries, IO readings, and other performance statistics (cache hit rate, disk usage, buffer reading, etc.).

The application includes an alarm module for events that affect PostgreSQL instance performance. The tool has many defined alert rules based on performance statistics. Performance Monitor constantly monitors any deviation from the set trend and provides information to the administrator in real time.

DBPLUS Performance Monitor monitors PostgreSQL 9.4 and higher.

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DBPLUS Performance Monitor for PostgeSQL

  1. 1. dbplus.tech Subtitle Performance Monitor for PostgreSQL
  2. 2. Agenda 1. Solution Architecture 2. Add the instance to monitoring 3. Main functionalities 4. Access management – Security module 5. Anomaly Monitor 6. Working with the application DBPLUS Performance Monitor for PostgreSQL 2
  3. 3. System architecture DBPLUS Performance Monitor for PostgreSQL 3 A set of SQL procedures responsible for collecting information about the performance of monitored PostgreSQL Instances Web application based on IIS technology
  4. 4. Connect the instance to monitoring In the main system configurator window (Configuration Wizard) click [Add Another instance] button. DBPLUS Performance Monitor for PostgreSQL 4
  5. 5. Connect the instance to monitoring Complete fields to add PostgreSQL instance to monitoring process:  Connection name (default)  Host name  TCP Port – port number  Default Database To create a monitoring user is required to provide user data with administrator rights. They are given only here and not saved anywhere. DBPLUS Performance Monitor for PostgreSQL 5
  6. 6. Connect the instance to monitoring DBPLUS Performance Monitor for PostgreSQL 6 In the next step, choose one of the options:  Create new login/user  Use existing login
  7. 7. Connect the database to monitoring Summary of wizard configuration process – add PostgreSQL instance to monitoring To complete the operation click [Finish] button. DBPLUS Performance Monitor for PostgreSQL 7
  8. 8. Main functionalities – Table options  It is possible to export data to a CSV file DBPLUS Performance Monitor for PostgreSQL 8 Sorting ang Formatting columns in tables:  Unit selection - e.g. Elapsed Time in seconds, minutes, days, etc.,  selection of a shortcut for large numbers - e.g. kilo, Mega, ...  determination of decimal place accuracy of a number
  9. 9. Main functionalities – Table options  The [+] button is presented in the Query Hash column  Allows to fast view sql details (SQL Details) or  Add to query indefiners list to later analysis DBPLUS Performance Monitor for PostgreSQL 9
  10. 10. Main functionalities – Chart options  Zoom in the selected area on the chart DBPLUS Performance Monitor for PostgreSQL 10  Option to return to the previous view via [Reset zoom]
  11. 11. Main functionalities – Chart options Different types of charts:  Line  Area  Column It is possible to mark and unmark the presented series on the chart Display information in a Tooltip after indicate the location on the chart. The chart can be exported to a file in the PNG, JPEG, PDF, SVG formats. DBPLUS Performance Monitor for PostgreSQL 11
  12. 12. Dashboard – Home screen Three ways to present PostgreSQL instance:  Icons view DBPLUS Performance Monitor PostgreSQLfor 12
  13. 13. Dashboard – Home screen Three ways to present PostgreSQL instance:  Grid view DBPLUS Performance Monitor PostgreSQLfor 13  Television view
  14. 14. Instance Load – Instance details The chart presents information about the basic database statistics:  Elapsed Time  Wait Time  Wait IO Time  Lock Time  IO read time  IO write time  Alerts DBPLUS Performance Monitor PostgreSQLfor 14
  15. 15. Instance Load – Instance details DBPLUS Performance Monitor PostgreSQLfor 15 After click on the point on the chart, information are presented:  Top queries in a given snap,  Queries statistics,  Content and the query plan. The DBPLUS application for all top queries generates a query plan by executing the Explain command in the given snap.
  16. 16. After click the point on the chart there are information about:  The level of individual waits DBPLUS Performance Monitor PostgreSQLfor 16 Instance Load – Instance details
  17. 17. Waits Overview The graph shows the total wait time for all sessions in the instance in a selected period. The graph on the left shows the sum of wait times for the selected period. The graph on the right shows the top waits for the indicated point on the chart (snap). DBPLUS Performance Monitor PostgreSQLfor 17
  18. 18. Waits Analyze As part of a detailed analysis, waits can sort by:  Wait type  Wait class  Affecting performance DBPLUS Performance Monitor PostgreSQLfor 18
  19. 19. Waits Analyze Data presented in the chart are visible in the table form. DBPLUS Performance Monitor PostgreSQLfor 19
  20. 20. SQL Analyze The graph shows the query time (Elapsed Time). Impact assessment of individual queries on all instances is possible. After select queries below the graph, user get information about their participation in the overall Instance utilisation. DBPLUS Performance Monitor PostgreSQLfor 20
  21. 21. SQL Details Contains detailed performance statistics for each query. Data are presented for the indicated period of time with the possibility of group by:  Snap (15 minutes)  Hour  Day  Month The ability to display Online data – current download from the system view. DBPLUS Performance Monitor PostgreSQLfor 21
  22. 22. It is possible to compare the plans used by a given query over period of time. SQL Details Easy access to the (Explain plan). It is possible to view sample parameters which the query is performed with. DBPLUS Performance Monitor for PostgreSQL 22
  23. 23. SQL Details The ability to generate an execution plan for any parameters provided by the user. Substitution of sample call parameters for a query. DBPLUS Performance Monitor PostgreSQLfor 23
  24. 24. SQL Details The query statistics can be viewed in a graph by click on a given column in the table. Instance load for… - the option to estimate the impact a given query in relation to the statistics for the entire database. DBPLUS Performance Monitor PostgreSQLfor 24
  25. 25. Show Plan Objects Page contains information about:  Query content  Query plan  Query objects:  Views  Indices  Tabels  Object details DBPLUS Performance Monitor PostgreSQLfor 25
  26. 26. SQL Details (cont.) It is also possible to search queries using Find SQL The user can search by:  Typing a text fragment  Queries changing plan  New queries in a given period DBPLUS Performance Monitor PostgreSQLfor 26
  27. 27. Load trends Allows to get information about trends that take place in the database for the indicated statistics. Data are presented for the indicated period of time and it can be grouped by:  Snap (15 minutes)  Hour  Day  Month DBPLUS Performance Monitor PostgreSQLfor 27
  28. 28. Compare trends Allows to compare statistics. Compare data collected for a specific day - Compare Days tab or time period - Compare Periods tab. DBPLUS Performance Monitor PostgreSQLfor 28
  29. 29. Top SQL/SQL 3D It presents information about the most demanding queries that have the largest share in a given statistic. Options:  Elapsed Time  Executions  Rows processed  Blks hit  Blks read  Blks dirtied  Temp blks read  Temp blks written  Blk read time  Blk write time DBPLUS Performance Monitor PostgreSQLfor 29
  30. 30. Top Day Allows to display top queries for Elapsed Time and follow their behaviour changes. DBPLUS Performance Monitor PostgreSQLfor 30
  31. 31. Slow SQL’s Presents queries that lasted for more than 200 seconds for a given period (default value). DBPLUS Performance Monitor PostgreSQLfor 31
  32. 32. I/O Stats The module is used to analyse I/O performance. Available information:  Number of reads  Number of writes  Duration of the read  Read data block The ability to verify data for the entire PostgreSQL instance as well as a particular database. DBPLUS Performance Monitor PostgreSQLfor 32
  33. 33. I/O Stats It is possible to compare data collected for a given day (Days Compare) as well as for the period (Period Compare). DBPLUS Performance Monitor PostgreSQLfor 33
  34. 34. Space Monitor Allows to analyse the current occupancy disk space by:  Instancje PostgreSQL  Databases It also contains historical data that stores information about the occupancy of PostgreSQL databases. DBPLUS Performance Monitor for PostgreSQL 34
  35. 35. Background Writer It presents the information available in the pg_stat_bgwriter view. This view contains information about the background writer and checkpointer processes in PostgreSQL. DBPLUS Performance Monitor PostgreSQLfor 35
  36. 36. Sessions This page stores information about sessions in a database, displayed according to the criteria in the filters. Sessions – contains information about current sessions in the instance. Session with transactions – the function allows to analyze the session on how to make entries in the Log. Session history - presents the number of sessions and active sessions in the selected period. DBPLUS Performance Monitor PostgreSQLfor 36
  37. 37. Sessions history The table is divided into two groups: Yellow shows information about active sessions. Red shows information about sessions that save into the Log. DBPLUS Performance Monitor PostgreSQLfor 37
  38. 38. Sessions history Information about session can be sorted by use:  Wait type  Query ID  User Name  Pid – session ID  Application name DBPLUS Performance Monitor PostgreSQLfor 38 Information can be viewed in the form of a graph.
  39. 39. Locks Contains information about locks that take place in a given instance. Online Locks – allows for current locks analysis in an instance or a specific database Locks history – allows to track locks in time Online Locked Objects - shows a list of objects on which locks are currently installed DBPLUS Performance Monitor PostgreSQLfor 39
  40. 40. Locks After select blocking/ blocked session, there are information about:  Query content  Session parameters  Transaction type  Status  Wait type  Start time query DBPLUS Performance Monitor PostgreSQLfor 40
  41. 41. Parameters Allows to view and report history of the change the PostgreSQL instance parameters. The window presents the current status of parameters and their changes over time. DBPLUS Performance Monitor PostgreSQLfor 41
  42. 42. Access management DBPLUS Performance Monitor PostgreSQLfor 42 The ability to give access to individual instances and screens in the application. Access settings for:  USER (Object name: DOMENAUSER)  GROUP:  Local (Object name: Group name)  Domain (Object name: DOMENAUSER)  PROFILE (Object name: PROFIL NAME). The ability to configure permissions:  own (use Own permissions)  inherited (Inherited permissions).
  43. 43. Access management DBPLUS Performance Monitor PostgreSQLfor 43 Own permissions (Use own permissions). This type of permission can be granted for each of the three objects (USER, GROUP, PROFILE).  Permissions are assigned to individual functions (Function rights).  Permissions for individual databases (Database access).  Local privillages (Local privillages).
  44. 44. Access management DBPLUS Performance Monitor PostgreSQLfor 44 Inherited permissions (use Inherited permissions from parents).  This type of permission can be granted for each of the three objects (USER,GROUP,POFILE).  When permissions are granted, always point PROFILE where permissions previously have been defined.
  45. 45. Access management DBPLUS Performance Monitor PostgreSQLfor 45 Access management is set on two levels:  DBPLUS Configuration Wizard: Applications settings >Application Options > Configure  DBPLUS Performance Monitor: Configuration > Settings > Parameter SECURITY
  46. 46. Anomaly Monitor This module contains information about problems that affect database performance. Information is avaiable from the level of the monitored SQL instance Two types of Alerting:  Online  Trends DBPLUS Performance Monitor PostgreSQLfor 46
  47. 47. Anomaly Monitor Grouped by the creation reasons and their impact on the given statistics in a database. Presented in detail for a given period of time. DBPLUS Performance Monitor PostgreSQLfor 47
  48. 48. InstanceLoad Information about Alerts is also visible on the chart on the Instance Load tab. DBPLUS Performance Monitor PostgreSQLfor 48 Sample Alert that inform about a change of the execution plan:
  49. 49. Anomaly Monitor – Configuration DBPLUS Performance Monitor PostgreSQLfor 49 Configuration and alert definitions are available in the menu: Configuration > Alert settings  Set the mailbox
  50. 50. Anomaly Monitor – Configuration DBPLUS Performance Monitor PostgreSQLfor 50  General settings Contain parameter configurations that control the operation of the alert module.
  51. 51. Anomaly Monitor – How does it work? DBPLUS Performance Monitor PostgreSQLfor 51 The Anomaly Monitor is based on gathering information about statistics in the instance. Alert definitions – a threshold alarm value is defined for each statistic. Problem definition – a set of rules based on predefined Alerts. Based on historical information, threshold exceeding events are generated.
  52. 52. Anomaly Monitor – How does it work? DBPLUS Performance Monitor PostgreSQLfor 52 The alert definition is based on: Selection of Alert type :  Online  I/O Stats  Load Trends  SQL Query
  53. 53. Anomaly Monitor – How does it work? DBPLUS Performance Monitor PostgreSQLfor 53 The alert definition is based on: Determining the alarm threshold value:  WARNING/CRITICAL
  54. 54. Anomaly Monitor – How does it work? DBPLUS Performance Monitor PostgreSQLfor 54 The alert definition is based on: Setting additional conditions:  Value below which the alert does not appear  Value above which the alert will always occur  What impact the query generates (only SQL Query)
  55. 55. Anomaly Monitor – How does it work? DBPLUS Performance Monitor PostgreSQLfor 55 To define the problem, indicate the cause of the problem. It can be determined by configure rule that consist of predefined alert definitions. To configure:  the name of the problem  Determine the class of the problem
  56. 56. Anomaly Monitor – problem definitions DBPLUS Performance Monitor PostgreSQLfor 56 The next step of configuration:  Set up a set of rules based on the Alert definition
  57. 57. dbplus.tech Subtitle Thank you! www.dbplus.tech

Performance Monitor for PostgreSQL is a new product on the software market. The application allows for precise identification of problem with the performance of processes that run in the PostgreSQL database. Key software features: analysis of historical trends allows to compare performance in a very wide range of dates - this allows access to information on how SQL queries (currently cause of the problem) have behaved in the past. The tool also studies trends in the long term to avoid performance problems in the future. DBPLUS Performance Monitor does not require installation of any software on monitored databases. The system logs into databases at 15-minute intervals and collects performance statistics. The load of monitored instances is invisible. The application tracks the instance’s performance by monitoring active connections, collecting information about wait and locks that are responsible for long execution of queries. Monitors slow queries, IO readings, and other performance statistics (cache hit rate, disk usage, buffer reading, etc.). The application includes an alarm module for events that affect PostgreSQL instance performance. The tool has many defined alert rules based on performance statistics. Performance Monitor constantly monitors any deviation from the set trend and provides information to the administrator in real time. DBPLUS Performance Monitor monitors PostgreSQL 9.4 and higher.

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