ObjectDB Database Search

The Query and TypedQuery interfaces define various methods for setting and tuning query execution . To take effect, you must invoke these methods before running a query with getResultList or getSingleResult . Result range (setFirstResult, setMaxResults) The setFirstResult and setMaxResults methods

Reference (JavaDoc) of JPA API, including PersistenceUtil, PersistenceUnitUtil, Cache, CacheRetrieveMode, CacheStoreMode, FlushModeType, LockModeType, PessimisticLockScope.

; Now the question is: - how can we tune for performance ? - do we need more processors

performance tuning

Tuning and making reliable for server

, etc. Describes the ObjectDB configuration and explains how to tune ObjectDB. Prerequisite Knowledge

) it indeed looks as a JVM tuning issue, because ObjectDB has no control on soft references (as ... testing I have been doing, I think the best approach is to use soft references and tune the JVM. CBE

are there additional parameters to tune ) ?! ... ...   hgzwicker Hans-Georg Zwicker Larger cache can help, but not always. Unfortunately getting optimal performance requires tuning

, threads, query-cache, memory usage, etc...) to use for tuning b. Show all database connections

classes limit. Do I need to buy a full license or is there a way I can continue to fine- tune my pilot

and tuning VMware as this is not our specialty. As suggested, compare the READ activity

well aware of VM options for tuning memory.  A server process, if it is to be reliable

, so you will have to test these options in your specific scenario to tune your application

some tuning tests on your side, since it depends on the specific application. support Support

(with and without String indexing).  Is there some sort of tuning we can do to have both fast queries and not soak

; if I commit to ObjectDB I can then adopt performance tuning strategies that suit it better, such as TABLE. webel Dr Darren Kelly

). So, as with most tuning questions, the only way to know what works better in a specific application

properties This has the big problem that one would need to tune queries for every preempted

" , but there are no strict rules and tuning for a specific application requires testing and comparing different

you will have to use the new build but also to tune the configuration as follows.     

space). Increasing the JVM heap size could solve the problem, or alternatively, tuning ObjectDB

the database (i.e. the  EntityManagerFactory) . If you need an advice regarding tuning cache

. Can take some days though. Please stay tuned . lorenz2304 Benjamin Lorenz Please see attached