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Join performance in Objectdb

, it is supposed that the count of every field should be the same performance. I have no time to test the field ... ://www.objectdb.com/database/forum/226". The random strings and number may perform differently. TIA gzdillon Lai Yang

Performance in large transactions

Hello, we have a performance problem when we use a large transaction. Let's do exactly the same in several transactions the ObjectDB works much faster. In our use case, we create many new entities ... the effect on performance is reasonable, but test_OneTransaction demonstrates an extreme case in

significant performance decrease

" /> </ssl> </objectdb> Now the question is, are there settings to change the caching/performance ... always. Unfortunately getting optimal performance requires tuning the configuration to the specific

Slow performance on Mac

createEntityManager() performance) duskov Dusko Vuksanovic Please ignore. This was Mac / Java issue ... performance issues on one of my development machines. On one machine my test scenario would take <1s

Performance with large databases

When populating a large database (10s of GBs) performance drops suddenly at a certain time whenever I run the populating application. Is there typically a database size when indexes can no longer ... of the JVM heap size and the ObjectDB cache size). Except this, ObjectDB performance should not be affected

Degrading performance overtime

to see considerable degrade in performance caused internal objectdb locking: "pdncrttorfo42-WSAgent-1 ... avoiding lock during database file extending. support Support if we perform an upgrade is it backwards

objectdb.java.util.ArrayList and performance

Hello guys, i have a question regarding "objectdb.java.util.ArrayList" and performance. In my project i'm iterating over an array with about 100k items. Fetching them into the EntityManager takes ... . Can anybody give me a hint whats the reason or how i can increase performance here? ph.schoerkhuber

Performance and memory usage of queries

Hello, we can't understand why the performance of queries is not the best and the execution requires so much memory. In the implementation of our UnitTests we have used "DELETE FROM Object" to delete the database. That did not work because we often get an "out of memory" exception

Difference performance in ObjectDB Explorer and in java project

? Performance is better, but still not the same 1000 ms in my project and about 300 ms in explorer

Performance Questions...

Greetings ObjectDB team, The below questions assume a very large database (~1,000,000,000 objects): Q1: If my whole database is read only, is there a way to exploit this and optimize query performance ? Q2: Do LIKE operations have significant degradation on queries ? My last question is different

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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