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Bulk Delete and Update - best practice?

) but this is painfully slow when there is a high number of large objects. thumbripper Richard Szurgot Currently

Doctor - high memory usage

is only for relatively small databases. It is true, however, that it is slow

How best to unbind all names?

was concerned that using JDO queries even on the primary key would be slow. The created schema is in fact

Failover from Master to Slave

with the Hadoop solution which is to effectively kill a server that is either slow to respond or not working

Remove a modified entity cause an optimistic lock exception

We started exploring your question, but the size of the OSGI test case makes progress very slow

Suspected memleak caused by bad state of EntityManager

Our application manages the Entities itself, so we close the EntityManager after every creating and using. We find a slow memleak in our application recently, and by trace of Entity construct and finalize, we found the problem is caused by bad state of EntityManager. After first throwing

Performance issue in a query due to compareTo calls

Hello, we have a question again regarding query performance. The query: SELECT v FROM Values v WHERE v.step.stepNumber = ? is very slow in comparing to the query: SELECT v FROM Values v WHERE v.stepNumber = ? Can you explain why the first query needs so much time or do you have a hint

query.getResultList() throws ClassCastException

to be "slow" due to an internal exception (thrown and caught I think) according to my profiler

ArrayIndexOutOfBounds with Critera API and function call

extension. It is inefficient (slow). But it should work if the method exists and available, including

ObjectDB 2.7.0

sizes larger than 64KB (which are not supported by ObjectDB). Fixed an issue of very slow online backup.

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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