JCache - Caching Introduction - What is the idea, where are we coming from and where we want to go in the future. Why we need caching and why do we want to cache?

1. www.hazelcast.com@noctarius2k
/**
* Gimme Caching
* The JCache Way
*/

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Disclaimer
This presentation may include certain forward-looking statements and projections
provided by the Company. Any such statements and projections reflect various
estimates and assumptions by the Company concerning anticipated results. These
statements involve risks, uncertainties and assumptions and are based on the
current estimates and assumptions of the management of the Company as of the
date of this presentation and are subject to uncertainty and changes. No
representations or warranties are made by the Company as to the accuracy of any
such statements or projections. Whether or not any such forward-looking statements
or projections are in fact achieved will depend upon future events some of which are
not within the control of the Company. Accordingly, actual results may vary from the
projected results and such variations may be material. Statements contained herein
describing documents and agreements are summaries only and such summaries
are qualified in their entirety by reference to such documents and agreements.

3. www.hazelcast.com@noctarius2k
Who’s that dude?
• Chris(toph) Engelbert
• Twitter fanatic: @noctarius2k
• Weird 9+ Java-Years
• Performance, GC, Fairytales
• Apache Committer
• Gaming, Travel Management, …

4. www.hazelcast.com
Who’s that dude?
• Chris(toph) Engelbert
• Twitter fanatic: @noctarius2k
• Weird 9+ Java-Years
• Performance, GC, Fairytales
• Apache Committer
• Gaming, Travel Management, …
The www.Hazelcast.ninja

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Caching? Gotcha!

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… but why do I
want to Cache?OOO
( )

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Caching? Don’t you mean ‘Wasting Memory’?
L1 Cache Reference
L2 Cache Reference
Main Memory Reference
1K send over 1 Gbps Network
4K read from SSD
Seek on Spinning Disk
Send Packet CA->AMS->CA
0.5 ns
7 ns
100 ns
10,000 ns
150,000 ns
10,000,000 ns
150,000,000 ns
0.01 ms
0.15 ms
10 ms
150 ms

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Fast Delivery

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Java
Offheap

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http://gadizmo.com/roll-your-own-with-the-ham-dogger.php
Roll Your Own!
Evolution Of Caching

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Caches Are Simple!

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Even With TTL!

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And Auto-Cleanup

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What Is Wrong?

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What Is Wrong?
O(n)
5 mio
Entries

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I told you:
Easy Peasy!

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http://technoodling.net/mili-power-crystal-battery-pack-review/
Proprietary Cache!
Evolution Of Caching

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Proprietary Cache!
Evolution Of Caching

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Proprietary Cache!
Evolution Of Caching
Open Source

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Proprietary Cache!
Evolution Of Caching
Open Source
Commercial

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Proprietary Cache!
Evolution Of Caching
Open Source
Commercial
Stupidly Expensive

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Success!
Feels like

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Success!
Feels like
NOT!

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JCache?

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A Java Caching Standard!

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No need to ## care about
Proprietary Solutions
anymore!

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Time to be Happy?

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JCache API Example

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Time to be Happy?
YES!

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It has a
long
History

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but also a Happy End!
Brian Oliver
Greg R. Luck

32. www.hazelcast.com@noctarius2k
JCache in 5 Facts
• JSR 107 - Java Temporary Caching API
• Longest Running JSR - EVER!
• Targeting Java 6
• Almost Similar to j.u.Map but Better!
• Vendor Agnostic

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JCache Impementations

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JCache Impementations
Hazelcast

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JCache Impementations
Hazelcast
Ehcache

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JCache Impementations
Hazelcast
Ehcache
Infinispan

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JCache Impementations
Hazelcast
Ehcache
Infinispan
Coherence

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JCache Impementations
Hazelcast
Ehcache
Infinispan
Coherence
How Dare You Are To Call You JCache?

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Wanna More Technical Talking?
Alex Snaps (@alexsnaps)
16:00 - Schauspielhaus
Applied javax.cach’ing

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Thank You!
Any Questions?
@noctarius2k
http://www.sourceprojects.org
http://github.com/noctarius
@hazelcast
http://www.hazelcast.com
http://www.hazelcast.org
http://github.com/hazelcast