Hi!I had that problem once, and the problem is that I thought I was deleting and creating new ECs, when I was only creating.
The best thing you can do is to create a new EC, work on that EC with a data batch, and then dispose of the EC and create a new one. Be careful, as Chuck said, you cannot keep any reference to any object inside the EC when you dispose it.
A very nice way to get an idea of your memory usage graphically and in real time is to use jconsole. Check <http://terminalapp.net/ profiling-webobjects-applications/>. If you get your code right, you should have a line that, in average, is flat. Currently, you should have something like a ladder going up in small steps.
Yours Miguel Arroz On 2008/01/06, at 19:53, Drew Thoeni wrote:
I have two tables in a parent-child relationship. Some of the parents have a few children (say a few dozen) and others have many children (over 100,000). I'm trying to run through the parents and pre-calculate some statistics for their children (for example, average, mode, standard deviation, etc.).All this is working except when I reach a specific parent (#457) the processing just hangs. I ran this through debug and it stalls at the creation of the array for the children.However, the system would have already processed a similar size array (#30 has 118,000 children) and it seems it's in a loop. Activity monitor says the java process is taking 100%.Other background. I only save the ec after every 20 updates to the parent records (to reduce write time). And I use ec.invalidateAllObjects() right after saving to clear our memory.Finally, there is nothing wrong with the data in parent/children of #457 as I can start the process there (or a few parents ahead of this) and it runs fine.This seems like a memory problem, but I don't get an out of memory exception.Help on this? Drew _______________________________________________ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription:http://lists.apple.com/mailman/options/webobjects-dev/arroz% 40guiamac.comThis email sent to [EMAIL PROTECTED]
Miguel Arroz http://www.terminalapp.net http://www.ipragma.com
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