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Query becomes slower on moving from ObjectDB 1.x to ObjectDB 2.x

, so it should be possible to get at least similar performance for this query with ObjectDB 2.x. Maybe ... that demonstrates this performance problem. Your other question will be moved to a separate forum

Request clarification of changes to accessor enhancement policy (non-getter prefix instead of getter suffix) AND annotations

) the annotated ones. I am now going to have to perform a substantial migration in my main web app ... when I was using EclipseLink, I was using the setters to perform additional tasks such as additional

Object explorer cannot open odb file. ObjectDB many-to-many relationship

) side to the owner side is slower since it requires query execution. Usually you can get better performance ... , so you will be leveraging the performance advantage of ObjectDB. support Support

Is 2 level cache in use?

performance. ODB on server uses the same amount of CPU and memory. I'm calling the same url in benchmark ... and then check if it is cached. The L2 cache doesn't always improve performance. It depends

Using Scala collections with ObjectDB

within ObjectDB? We want to leverage the high performance of ObjectDB for an embedded database but want ... collections for the persistent fields, and wrap them with Scala collections using properties. The effect on performance is expected to be minimal. support Support


using objectdb in embedded mode for now. Is it that big a performance difference vs server mode? dries ... ) to gain performance. I wonder what would happen if you would enable Spring load time weaving

Queries are slow on a large database

Hi, I have a 12GB database with 787603 entries. It is much larger than usual and there are performances issues. I am doing small queries and they take much longer than I expect, i.e.: Get the total ... and the performances are much better. I will try composite index later. However there is one thing I haven't

Database Files

behaviour is to delay writing to the odb file in order to improve the performance. As long as the data ... you can enable <processing ... synchronized="true" />, but is is expected to decrease the performance

Optimistic locking: prevent version increment on entity collection attribute

side). Regarding performance, it may improve performance of adding / removing readers, but traversal from

RDBMS-ObjectDB Replication

for other purposes, but need better performance for specific tasks. For systems that already use JPA - this feature might enable using ObjectDB as a performance booster, with almost no need to write new

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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