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36 results.
RE: Slow factory.createEntityManager() with EcliseLink
by jamesssss posted Aug 11 2015, 8:35
Replies: 0 | Views: 741
RE: Slow factory.createEntityManager() with EcliseLink
by sirmad posted Aug 11 2015, 2:23
Replies: 0 | Views: 655
RE: Slow factory.createEntityManager() with EcliseLink
by jamesssss posted Aug 10 2015, 7:47
Replies: 0 | Views: 637
Slow factory.createEntityManager() with EcliseLink
by sirmad posted Aug 7 2015, 5:04
Replies: 3 | Views: 727
Slow factory.createEntityManager() with EcliseLink
by sirmad posted Aug 7 2015, 4:56
Replies: 0 | Views: 584
RE: dynamic weaving without persistence unit (jrebel)
by jamesssss posted Apr 1 2015, 9:32
Replies: 0 | Views: 650
dynamic weaving without persistence unit (jrebel)
by pranahata posted Apr 1 2015, 0:54
Replies: 1 | Views: 679
RE: Can I have @ManyToOne relationship to an abstract entity using table per class?
by jamesssss posted Feb 9 2015, 5:21
Replies: 0 | Views: 597
Can I have @ManyToOne relationship to an abstract entity using table per class?
by pranahata posted Feb 8 2015, 21:30
Replies: 1 | Views: 587
RE: Bulk inserts cause OOM even if done in batches
by jamesssss posted Dec 14 2014, 17:18
Replies: 0 | Views: 590
RE: Bulk inserts cause OOM even if done in batches
by pranahata posted Dec 13 2014, 21:14
Replies: 0 | Views: 600
RE: Bulk inserts cause OOM even if done in batches
by jamesssss posted Nov 27 2014, 5:45
Replies: 0 | Views: 680
Bulk inserts cause OOM even if done in batches
by pranahata posted Nov 26 2014, 23:38
Replies: 3 | Views: 763
Optimizing Java Serialization - Java vs XML vs JSON vs Kryo vs POF
by jamesssss posted Nov 21 2014, 7:23
Replies: 0 | Views: 847
EclipseLink supports HQL and several advanced new JPQL features
by jamesssss posted Nov 21 2014, 7:22
Replies: 0 | Views: 1071
Cool performance features of EclipseLink 2.5
by jamesssss posted Nov 21 2014, 6:58
The main goal of the EclipseLink 2.5 release was the support of the JPA 2.1 specification, as EclipseLink 2.5 was the reference implementation for JPA 2.1. For a list of JPA 2.1 features look here, or here.

Most of the features that went into the release were to support JPA 2.1 features, so there was not a lot of development time for oth

Tags: jpa, eclipselink, performance
Replies: 0, Views: 839, today: 0, week: 0, month: 14
Thumbs up: 0, thumbs down: 0, stars: 0.0
Cool performance features of EclipseLink 2.5
by jamesssss posted Nov 21 2014, 6:58
Replies: 0 | Views: 839
Batch Writing, and Dynamic vs Parametrized SQL, how well does your database perform?
by jamesssss posted Nov 21 2014, 6:56
One of the most effective database optimizations is batch writing. Batch writing is supported by most modern databases and part of the JDBC standard and is supported by most JPA providers.

Normal database access consists of sending each DML (insert, update, delete) statement to the database in a separate database/network access. Each database access has a certain amount of overhead to it, and the database must process each statement independently. Batch writing has two forms, dynamic an

Tags: eclipselink, jpa, batch, parametrized sql, database, postgresql, oracle, db2, mysql, derby, sql server, h2, hsql
Replies: 0, Views: 608, today: 0, week: 1, month: 11
Thumbs up: 0, thumbs down: 0, stars: 0.0
Batch Writing, and Dynamic vs Parametrized SQL, how well does your database perform?
by jamesssss posted Nov 21 2014, 6:56
Replies: 0 | Views: 608
But what if I'm not querying by id? (database and cache indexes)
by jamesssss posted Nov 21 2014, 6:29
Replies: 0 | Views: 664
Got Cache? improve data access by 97,322%
by jamesssss posted Sep 20 2014, 17:55
Replies: 0 | Views: 764
EclipseLink 15x faster than other JPA providers
by jamesssss posted Sep 20 2014, 17:54
Replies: 0 | Views: 1041
JPQL vs SQL, why not have both
by jamesssss posted Sep 20 2014, 17:53
Replies: 0 | Views: 932
Objects vs Data, and Filtering a JOIN FETCH
by jamesssss posted Sep 20 2014, 17:53
Replies: 0 | Views: 775
EclipseLink JPA supports MongoDB
by jamesssss posted Sep 20 2014, 17:52
EclipseLink 2.4 will support JPA access to NoSQL databases. This support is already part of the EclipseLink development trunk and can be tried out using the milestone or nightly builds.  Initial support is provided for MongoDB and Oracle NoSQL. A plug-able platform and adapter layer allows for other databases to be supported.

NoSQL i
Tags: jpa, nosql, mongodb, eclipselink
Replies: 0, Views: 892, today: 1, week: 3, month: 21
Thumbs up: 0, thumbs down: 0, stars: 0.0
EclipseLink JPA supports MongoDB
by jamesssss posted Sep 20 2014, 17:52
Replies: 0 | Views: 892
NoSQL
by jamesssss posted Sep 20 2014, 17:51
Replies: 0 | Views: 640
How to improve JPA performance by 1,825%
by jamesssss posted Sep 20 2014, 17:50
Replies: 0 | Views: 731
Data Partitioning - Scaling the Database
by jamesssss posted Sep 20 2014, 17:49
Replies: 0 | Views: 877
RE: EclipseLink 2.5.2 cache coordination listener
by jamesssss posted Sep 20 2014, 17:42
Replies: 0 | Views: 779
EclipseLink 2.5.2 cache coordination listener
by mnb posted Sep 19 2014, 6:51
Replies: 1 | Views: 558
RE: QueryHints.RESULT_TYPE, ResultType.Map
by jamesssss posted Aug 8 2014, 8:33
Replies: 0 | Views: 1470
QueryHints.RESULT_TYPE, ResultType.Map
by Montechristos posted Aug 7 2014, 9:18
Replies: 1 | Views: 1303
JVM Performance - Part III - Concurrent Maps
by jamesssss posted Jun 3 2014, 19:05
Replies: 0 | Views: 1188
JVM Performance, Part II - JVM Bazaar
by jamesssss posted Jun 3 2014, 19:04
Replies: 0 | Views: 722
What is faster? JVM Performance
by jamesssss posted Jun 3 2014, 19:04
Replies: 0 | Views: 708
Batch Fetching, part II - Journey to Big Data
by jamesssss posted Jun 3 2014, 19:03
Replies: 0 | Views: 752
Batch fetching - optimizing object graph loading
by jamesssss posted Jun 2 2014, 17:10
Replies: 0 | Views: 864
Welcome to the Java Persistence Performance forum
by jamesssss posted May 22 2014, 19:09
Replies: 0 | Views: 601