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100% CPU when using multiple BETWEEN

regards Emil prolancer Emil Andonov Thanks. Download is very slow and could take many hours

Future JDO versions?

the recent years is slow, and there are only a few JDO features that are currently not supported by

Getting sales quantity per country with a query, an idea anyone?

of concerned countries (: with orders) and finally a list of the order quantity per country is too slow

significant performance decrease

should help. If it is still slow, try also composite indexes: on classIdentifier + type

Explorer in 2.3

managing a scrollable window - require at least loading all the references in advance - and that is slow

Memory Leak in EntityManagerFactory ?

all) are affectet which results in a slow but increasing memory consumtion of our server

com.objectdb.o.TEX: Type ... is not found, for a class that's already been enhanced successfully.

ObjectDB, not exactly sure what the problem is. Try to isolate the slow performance, e.g

ObjectDB 2.5.2

Added automatic creation of the log directory if it does not exist. Added support of old Spring Framework versions (with JPA 1.0). Fixed "InternalException: InterruptedException" due to application interrupts in embedded mode. Fixed a class loading conflict with Log4j. Fixed very slow processing

Use temporary files to enable very large transactions

. It is also slow. A much better solution (faster and with unlimited transaction size) is now planned

Threaded Test - Failed to commit transaction: Unexpected internal exception

than the memory processing threshold - temporary files are used, which is very slow. I found

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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