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Alfresco : up to 10GB memory used...and even more !

zomurn

Here the prof in image :

[img]http://img522.imageshack.us/img522/6558/outstanding.th.jpg[/img]

Running a poor sheduled job requires up to 10GB and still grow up !! 10GB used in 10 minutes !
Which is the configuration required for this monster ?

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Comments

mrogers

Are you sure there isn't a memory leak in your job?

Also some JVMs only give back memory when asked, otherwise they keep grabbing more.

You should probably use a profiler or take a thread dump to see where the memory has gone.

zomurn

My job just do a move instruction with filefolderservice :

Here the whole code :

@Override
   protected void executeImpl(Action pAction, NodeRef pActionedUponNodeRef) {

      if (log.isDebugEnabled())
      {
         log.debug( "Running scheduled job " + NAME );
      }

      NodeRef lDestNodeRef = mscSearchService
            .getFolder( MscFolderEnum.FOLDER_ARCHIVER.getFolderName() );

      if (this.nodeService.exists( pActionedUponNodeRef ) == true)
      {
         if (nodeService.getType( pActionedUponNodeRef ).equals(
               MscTypeEnum.COURRIER.getTypeQName() ))
         {

            String lName = (String) nodeService.getProperty(
                  pActionedUponNodeRef, ContentModel.PROP_NAME );

            if (log.isDebugEnabled())
            {
               log.debug( "Moving node " + lName + " to folder "
                     + MscFolderEnum.FOLDER_ARCHIVER.getFolderName() );
            }
            try
            {
               fileFolderService.move( pActionedUponNodeRef, lDestNodeRef,
                     null );
               nodeService.setProperty( pActionedUponNodeRef,
                     MscPropertyEnum.PROPERTY_ETAT.getQName(),
                     MscStateEnum.ARCHIVE.toString() );
               mscNodeService.updatePropertyTrace( pActionedUponNodeRef,
                     WHO );
            }
            catch (Exception e)
            {
               e.printStackTrace();
               throw new IllegalStateException( "Failed to move document "
                     + lName + " to folder "
                     + MscFolderEnum.FOLDER_ARCHIVER.getFolderName() );

            }
         }
      }

   }‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍

OK for JVM memory but…I never coded a program that requires more than 10GB !
Which tool(s) do you suggest to profile where the memory goes ?
There is something wrong behind the scene…internal in alfresco or its dependencies.

mrogers

I've used "JProfiler" before.

Also which JVM are you using and what are your memory settings?

As I tried (unsuccesfully) to say above, some JVMs don't bother garbage collecting until they need to, I
remember getting surprised by a solaris system that did this and it turned out to be working correctly.