 30 | Explains how to configure and tune ObjectDB, the fast Java object database for JPA/JDO. |
29 | Hi, we have a strange performance problem with ObjectDB 2.5.3_01 and JBoss 7.1.1 ... separate test environment its speed is very good. We did a performance analysis on our 2 linux servers ... which queries 40+ records gives 19 seconds. We pinpointed that from he 53 record performances |
29 | embedded mode based on the console tutorial, there seems to be a bit of a performance gap running ... manager, however any operations once loaded appear to perform comparably. I've tried running ... /threads to applications but have not noticed any differences in performance so looking for some advice |
29 | the question is: - how can we tune for performance ? - do we need more processors ? - should we change some ... ) is slow also for a single user? i.e. can you check if the performance issue is due to load of several concurrent clients, or maybe same slow performance is also for a single user with that specific |
28 | .g. a date field you want to query for. Is there an improvement in performance if I create a "mirror ... will improve performance (unless otherobject is embedded object rather than an entity ... not recommended unless there is no other solution and you really need this performance improvement |
28 | to see considerable degrade in performance caused internal objectdb locking:
"pdncrttorfo42-WSAgent-1 ... a change that may help in avoiding lock during database file extending. if we perform an upgrade |
28 | of Mike Keith. Obviously, it is supposed that the count of every field should be the same performance. I ... ://www.objectdb.com/database/forum/226". The random strings and number may perform differently. TIA gzdillon |
28 | 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 ... .ArrayList. Usually the effect on performance is reasonable, but test_OneTransaction demonstrates an extreme |
28 | the persisting performance and provide more details and sample code. The index thing did the trick! Thank you... I will post another thread for the performance issue regards! paddy |
28 | 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 ... and the ObjectDB cache size). Except this, ObjectDB performance should not be affected significantly by |