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Database(*.odb) file size on disk

reuses space of deleted objects but the database is never resized to a smaller file. Currently

First persist takes long time

storage space, etc.) so this is expected. If you are concerned because you have to repeat

Object belongs to another EntityManager - ERROR

, since every EntityManager manages its own space of managed objects, and a managed object of one EntityManager

ObjectDB version 2.2 has been released

to handle additional issues. Improved query execution planner. Improved cleanup and reusing space

UserException - Object User#2 belongs to another EntityManager

(which is forbidden, since every EntityManager manages its own space of managed objects, and a managed object

Replication error on slave restart

You should only enable recording for the master server and not for the slave server. To save space please try limiting

How to track memory leak with ObjectDb.

Hello, I suspect some memory leak in my application. ( turning app into OOM very fast ) In fact, some com.objectdb.o.MST objects are retaining a huge % of my heap space. While watching the dump file ( with Eclipse MAT ), i was not able to inspect carrefully the memory leak issue

How to store and compare Date up to sec.

ObjectDB identifies simpler date/time instances, such as in your question, and their storage consumes less space. support Support

Monitoring and Performance counters

last start - caches hit rate - total sessions from clients - memory usage (for heap space tuning

ObjectDB 2.8.3

Added support of Java 8 date and time types (issues #1495, #2564). Added information in the Explorer on consumed database space (feature request #2540). Fixed handling enum types that implement interfaces in the Explorer (Issue #2542). Improved memory cleaning when entity objects with embeddable

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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