ObjectDB Database Search

51-65 of 65 results

Warmup ( preLoad all table rows into memory )

Hi , I have 3 questions for objectdb : 1-) How can i preload all table rows into memory in objectdb ? So i can query fast . I have seen @Cacheable annotation. But i need warmup table to memory when my software boots up.   2-) Also for speed up I am inserting a message into table

Index causes increased memory usage

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

Automatic schema evolution causes ArrayOutOfBoundsException

your project and re-enhance all your classes after the change. support Support Hi, thanks for the fast

Native ObjectDB Support for EnumSet ?

sets are supported and are fast (but I am not sure to which classes you want to compare

Tomcat + JPA Problem

with Tomcat 6. Are you using Tomcat 7? support Support thx 4 the fast support.   I fixed

a REPLY button will be good!

Hi, all:     This bbs is wonderful, clean, fast . But it has no REPLY button, that can add a hint to which message the author is reply.     Sometimes, multiple replies confuse us in tracking the discussing topic, if a hint like this will be good: On 5/13/2011 11:46

Can you implement fastest Native JPA for MySQL by ClusterJ like?

Hello , I've read some docs : http://biemond.blogspot.com/2010/04/super- fast -jpa-with-mysql-cluster-and.html http://dev.mysql.com/doc/ndbapi/en/mccj-using-jpa.html http://ocklin.blogspot.com/2009/12/java-and-openjpa-for-mysql-cluster_14.html These documents telling us they did native JPA

locks on pure query activities

are the bottleneck. Some possible improvements: If the database is on a HDD then switching to a fast

Out of memory

to 512MB, so database should crash much faster. lwalkowski Lukasz Walkowski That was fast . Few hours

Create simple index for a Id field

fast inserting the elements, but when it comes to read seems like the performance falls. I

Removing an entity throws exception

that demonstrates it. support Support Thank you for fast response. The fix changed the number 51 to 34

Database access error , Doctor hanging on trying to repair, production shutdown at our biggest customer

significantly, right ? If you write the recording to a different fast disk then the effect may not

Unexpected exception (Error 990)

the server, do you still get this exception? support Support Thanks a lot for the fast reply. Restarting

Problem using "and" for joined entities and indexed fields

without the separate age index for fast queries on age only). Apparently the combined index does not

ObjectDB 2 JDO Manual

it didn't get posted. (Didn't expect such a fast response either.) I don't see anything about JPA