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Processing thread count for 8-core server

the range of 15-30 threads, but choosing the best value will require some tuning tests on your side, since it depends on the specific application. support Support

Speed of queries that return many objects

, although with enhancement and tuning it could be in the range of 1-2 seconds. The overhead of preparing entity

Unable to execute update query

to update by specifying an id ranges it works. mosi0815 Ralph Moser Unfortunately we cannot reproduce

Which storage fits best to ObjectDB?

considerably worse. Our DB files range from 700MB to 5GB. So the question which arises: does ObjectDB

LIMIT or TOP functions

Is there LIMIT or TOP functions in object db? If so can you provide some examples? vinodh vinodhkumar You can set query result range by using the setFirstResult and setMaxResults methods. You can find more details and an example in the manual. support Support Thanks. This solved my purpose. vinodh vinodhkumar

JVM crash when using IBM JDK 1.6.0

priority:0x5, native policy:UNKNOWN) 3XMTHREADINFO2 (native stack address range from

Getting an error when adding activation code to conf file

.createEntityManager(); em.getTransaction().begin(); IntStream.range(0

Sort of very large objects - out of memory

were either ascending or descending, since then a range query could just pick the first or last entry in

ObjectDB 2.7.5

Improved recovery from failure when recovery is enabled with no sync (issue #2293). Added support of using JDO listeners with JPA EntityManager. Added debug logging got persist cascading (issue #2299). Fixed a bug in restricting server access to a range of IPs (issue #2292). Fixed a bug in

ObjectDB 2.3.4

performance issue (fetch optimization) in range queries. Fixed cached result size evaluation

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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