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http://jira.jboss.com/jira/browse/JBCACHE-848?page=comments#action_12356297 ]
Manik Surtani commented on JBCACHE-848:
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Following the call we had with the HIbernate folk on 26 FEB 2007, here are the salient
points wrt. putForExternalRead (PFER)
- PFER only goes through if node does not exist; no-op otherwise
- Force asynchronous mode for replication or invalidation to prevent any blocking
- 0ms lock timeout to prevent any blocking here either. If this fails, PFER is a no-op
- no to separate thread necessary, since we will be operating with a 0ms timeout, async
replication and a no-op if the node exists. The only real chance of any blocking here is
JGroups FC which is considered small enough a case.
Existing points which still are valid from the wiki link above:
* Suspend all ongoing TXs.
* Quieter logging. Errors and the like that would otherwise raise alarm bells should
be suppressed since this is a non-critical call.
This serves as a "spec" for PFER and the basis for unit tests.
Implement putFromExternalRead()
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Key: JBCACHE-848
URL:
http://jira.jboss.com/jira/browse/JBCACHE-848
Project: JBoss Cache
Issue Type: Feature Request
Security Level: Public(Everyone can see)
Reporter: Manik Surtani
Assigned To: Manik Surtani
Fix For: 2.0.0.GA, 2.0.0.BETA2
This is to supercede putFailFast() in JBC 1.x as well as the Option.FAIL_SILENTLY option,
for Hibernate to use when doing a DB read and putting the contents into the cache.
See forum link for details of this.
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