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@Column length is not working.

of a field. Is there any other way? Deepak_1996 Deepak Kumar Maharana If by expensive you mean slow

Java 9 support

the slowest server provided by Amazon Web Services (a "t2.nano", which has only a single slow CPU

Degrading performance overtime

.RandomAccessFile.setLength(Native Method) This is a system operation, which is apparently too slow, and blocks

ObjectDB is opening too many sockets

connections to it, and the sockets are slowing raising until it crashes. I am monitoring TCP

First query takes 4+ minutes to complete

() { em.clear(); // TODO Remove me for production. Testing slow query List dtoList

Storing Images and Object Pooling

everytime ResultList ( Garbage collection destroy and remake ) slows apps i think. I think

Create simple index for a Id field

and then retrieve the object, but still too slow in my opinion. Notice I have a db with at least 1M objects

Update Entity references if we change the type of an entity

well as its subclasses and your sample test passes. However, please note that: It may slow

Low performance when getting grove roots

the application with the same DB, I see the original behavior (working but slow). Providing the test

500Mb ObjectDb database opening issue

Hi, I have observed that 500 Mb objectDb database opening time is very slow (~3 seconds) for following code long time = System.currentTimeMillis(); m_EntityMgrFactory = Persistence.createEntityManagerFactory( "objectdb:" + aFilename ); m_EntityManager = m_EntityMgrFactory.createEntityManager

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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