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10

in-memory and on-disk support?

this space. Getting a continuous unfragmented disk space is the main advantage. Eliminating the need for space allocation later is a small additional advantage. It will only help query performance
8

Index causes increased memory usage

dump and post information about the main ObjectDB classes that take the heap space. support Support ... of the code, the memory usage followed a linear trajectory until the application ran out of heap space
8

500Mb ObjectDb database opening issue

500Mb ObjectDb database opening issue
8

Listing large number of complicated objects with paging.

times in a row cause java.lang.OutOfMemoryError: Java heap space exception. The same query in Explorer ... . So, how else can I speed up this type of query? Or maybe I just need to add some more heap space
8

Server connection management

The server does not appear to release broken connections. My typical development pattern is to keep reloading my war file in tomcat until the permgen space runs out, and then I kill and restart ... shutdown, does that include JVM failure (out of permgen space) and forced quit? FastModel Ben
8

odb file size doesn't shrink

the database their space is marked as unused and becomes available for future objects. The size of the database is not reduced, as it usually better, considering performance, to keep the free space for future extension. support Support
2

[ObjectDB 2.5.6_05] Unexpected exception (Error 990)

com.objectdb.o.InternalException: java.lang.OutOfMemoryError: Java heap space java.lang.OutOfMemoryError: Java heap space at com.objectdb.o.PAG.<init>(PAG.java:175) at com.objectdb.o.PGC.x(PGC.java ... space. Please try to increase the size of the JVM heap or change the configuration to use less heap size. support Support
2

Best practise loading big data

. Use this thread if loading big data consumes memory space that is not released by ObjectDB in ... references and therefore may use the allocated space for unlimited time. The OS cache ... optimise space. For example in your last test case large amount of memory is used by ArrayList
2

out of memory error

If ObjectDB doesn't have sufficient heap space then it may throw an OutOfMemoryError ... space). Increasing the JVM heap size could solve the problem, or alternatively, tuning ObjectDB ... of ObjectDB may be able to overcome heap space shortage automatically, but unfortunately currently an OutOfMemoryError is possible. support Support
1

database corrupt

path="/$user/" permissions="access,modify,create,delete"> <quota directories="5" files="20" disk-space ... and consumes a lot of disk space, so it is unclear if it is applicable on your production server

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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