What is the best way to synchronize EOs between coordinators?
What is the best way to synchronize EOs between coordinators?
- Subject: What is the best way to synchronize EOs between coordinators?
- From: Adam Czysciak <email@hidden>
- Date: Thu, 1 Jun 2006 11:35:57 +0200
Hi everyone!
Lately I discovered this Wiki article on EO objects freshness.
http://en.wikibooks.org/wiki/Programming:WebObjects/EOF/Using_EOF/
Caching_and_Freshness#Recommended
Previously I've been synchronizing objects with EOF delegate - whenever
object changes (new/updated/deleted), I do invalidate its GID in all of
my registered coordinators. The good point is that I can control which
entities and which actions need to be synchronized. But - this
technique of course may cause EOF locks.
For me it looks that setting default lifetime for objects *may* improve
the process, however in some cases it will cause useless fetches.
What is your experience guys? Is setting the default fetch timestamp
lag recommended? If so, what value do you recommend? (I know, this is
really app specific...)
--
Regards,
Adam Czysciak
email@hidden
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