About space

manual

Server User List

Explains how to define and set users, directories and permissions in the ObjectDB fast Java database server for JPA/JDO.... directories = "5" files = "20" disk-space = "5mb" /> </dir > </user > ... directories = "5" files = "20" disk-space = "5mb" /> </dir > Every <user> ...

 
forum_thread

Failed to commit transaction: Java heap space (error 613)

Hi, the following exception occurred in our production machine last night: 2013-07-17 20:41:46,665 pdnsrttor3rc42-WSAgent-2-Existing/16 ERROR ObjectDbMessagePipe - Failed to put a message on queue:  pdnsrttor3rc42-ReportDSGroup_Instance-2 retrying = true [ObjectDB 2.4.6_10] javax.persistence.RollbackException Failed to commit transaction: Java heap space (error 613) We are using ObjectDB 2.4.6_10, JDK 7, and a 30GB heap space. ... Failed to commit transaction: Java heap space (error 613) We are using ObjectDB 2.4.6_10, JDK 7, and a 30GB heap space. The exception above took our server into an non-responsive state ...

 
forum_thread

Vacuum - Reclaiming Unused Space In Odb

I was curious if you could assist me with a challenge we are having with our objectdb database.  Our odb files are about 50Gb in size and are written to about a million times a day with both adds and updates.  This is creating a lot of unused space in the database that we are wanting to reclaim.  Other database vendors provide a vacuum process to allow dumping a database to a flat file (basically a sql dump) and reload.  Is there a capability in ObjectDb to provide a vacuum?  The online backup feature appears to copy the dead space as well so isn't performing... adds and updates.  This is creating a lot of unused space in the database that we are wanting to reclaim.  Other database ... The online backup feature appears to copy the dead space as well so isn't performing the vacuum. If there is no way to ...

 
forum_thread

Objectdb server out of heap space

I have had a server crash with the following stack trace: ... java. lang . OutOfMemoryError : Java heap space at java. nio . HeapByteBuffer .<init> ( HeapByteBuffer. ...

 
issue

Server out of memory exceptions

I've started to get memory exceptions on objectdb instances running as a server. The objectdb log reports this as: ... 23:28:41 #20 server] java.lang.OutOfMemoryError: Java heap space [2011-07-29 23:28:41 #21 server] java.lang.OutOfMemoryError: Java heap space at java.net.SocketInputStream.socketRead0(Native Method) at ...

 
forum_thread

Shrinking Database Files

These are questions asked in the context of the proposed architecture described in the forum thread titled, "Sample JDO Architecture for Follow Up Questions".   I thought I read something on the ObjectDB website (forum? 1.x manual?), which I cannot find now, that stated that the datastore file never shrinks when large number of objects are deleted and the only way to reclaim that space would be with Database Doctor. Is there a way to reclaim database file space? ... of objects are deleted and the only way to reclaim that space would be with Database Doctor. Is there a way to reclaim database file space? Is it worth trying to reclaim space?  (It may not be if it ...

 
forum_thread

Out of memory

Hi, Today in the middle of the night ODB just crashed leaving this on console screen: ... Currently it seems that most of the heap space is in use for various caching activities but it is unclear what share can ... </entities > This big heap space is set after few versions ago ODB was crashing regularly with OOM. With ...

 
forum_thread

Doctor - high memory usage

Hi, Is it possible to reduce Doctor memory usage? Right now for recovering 67MB database, I need to set heap space to at least 450MB. Even then whole process takes ages. Optimal setting for this database is about 650MB. It's about ten times of size of database. ... Right now for recovering 67MB database, I need to set heap space to at least 450MB. Even then whole process takes ages. Optimal setting ... Not working - still need about 450MB of heap space to only scan database file. ...

 
manual

Database Management Settings

Explains settings and performance tuning of the ObjectDB Java object database for JPA/JDO.... size by which to extend the database file when additional space is needed. Small initial size and resize values save space. Larger values can improve performance by reducing file fragmentation ...

 
forum_thread

Database size is much larger than expected (x2)

I store images into objectdb. The schema is : <URI>::=(<sUrl>, <cMark>, <iSize>, <baBody>, <id>) <sUrl>::=String <cMark>::=char <iSize>::=int <baBody>::=byte[] <id>::=@ID So simple a class will fail after 155,648 insertions with -Xmx1432m, ... to commit transaction: Java heap space (error 613)         at ... by: java.lang.OutOfMemoryError: Java heap space         at ... by : java. lang . OutOfMemoryError : Java heap space at com. objectdb . o . OBH . c ( OBH. java : 150 ...