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Thursday, March 29, 2012

NoSQL

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In the beginning data was free and wild. It was not confined to rows and columns and not bounded to standardization. Data access was unrul...
4 comments:
Thursday, June 9, 2011

How to improve JPA performance by 1,825%

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The Java Persistence API (JPA) provides a rich persistence architecture. JPA hides much of the low level dull-drum of database access, free...
35 comments:
Wednesday, May 4, 2011

Data Partitioning - Scaling the Database

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In Enterprise Java most of the effort is normally done to scale the mid-tier application and its server.  Pretty much every Java application...
7 comments:
Monday, March 7, 2011

JVM Performance - Part III - Concurrent Maps

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Concurent Maps The main difference between Hashtable and HashMap is that Hashtable is synchronized. For this reason Hashtable is still used ...
7 comments:
Wednesday, January 26, 2011

JVM Performance, Part II - JVM Bazaar

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As promised, I have results from running some of the tests in other JVMs. The most interesting results were from the Map test and the Metho...
2 comments:
Friday, December 17, 2010

What is faster? JVM Performance

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Java performance optimization is part analysis, and part superstition and witch craft. In deciding how to optimize their applications a lo...
23 comments:
Thursday, November 18, 2010

Batch Fetching, part II - Journey to Big Data

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In my last post I investigated different ways to optimize the loading of objects and their relationships. I presented some performance resu...
2 comments: