Cache Always Misses on parentAssoc

jgreen — Tue, 14 Nov 2006 22:22:26 GMT

I have a fairly small box to run a test deploy of Alfresco on and I've been watching the cache hits to see if the cache is getting used. I've seen a lot of cache misses on the parent<->child associations, and nothing seems to be getting loaded into the cache.===> org.alfresco.repo.domain.

Re: Cache Always Misses on parentAssoc

derek — Thu, 16 Nov 2006 15:43:31 GMT

Hi,

This message is a little misleading. It's actually Hibernate that decided that the cache needed to be completely cleared due to an update statement issued direct to the database. Later, when the transaction commits, the entity is no longer in the cache and a timeout is blamed.

I've looked at ways to prevent the auto-clearing of cache entities, but can't get it working. The good news is that the behaviour is correct. The bad news is that the cache is not being used to its full potential.

I've tried changing the session flush behaviour during the child association update statement. I tried changing the query flush behaviour as well. Perhaps I'm missing something on the Hibernate side to disable this behaviour. After all, we can do an explicit refresh of the entity being updated after the operation.

In the meantime, the message is just cut out of the log.

Regards

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Cache Always Misses on parentAssoc

Re: Cache Always Misses on parentAssoc