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https://issues.jboss.org/browse/ISPN-1556?page=com.atlassian.jira.plugin....
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Galder Zamarreño commented on ISPN-1556:
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Well, the lock timeout will only abort the transaction if you rollback the transaction
yourself? I mean, if you're managing the transaction, you can catch the exception, do
something about it, and then let the transaction carry on if needed?
Infinispan will only rollback the transaction if you're running with autoCommit on,
which result, if no tx are running, for each cache operation to start a brand new tx and
commit/rollback when the cache operation finishes.
Ability to test and acquire lock if available, without aborting the
txn if not available
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Key: ISPN-1556
URL:
https://issues.jboss.org/browse/ISPN-1556
Project: Infinispan
Issue Type: Feature Request
Affects Versions: 5.1.0.BETA2
Environment: AS7.1.0.alpha2
Reporter: Gary Brown
Assignee: Manik Surtani
I have a system that performs a large number of tasks in a single transaction for
efficiency. Some of those tasks access infinispan caches.
I found that occasionally I have been getting lock timeouts for the default 15 second
period.
Lock contention is not a problem - but the impact of failing to obtain the lock results
in the whole transaction being aborted, which aborts the work also carried out for
potentially a large number of other tasks, resulting in all of the work being retried.
I was wondering if it would be possible to provide an alternative lock implementation the
AdvancedCache that allowed a client app to test whether the lock was available and acquire
it - returning 'true', but if the lock was not available, simply returning false,
allowing the client code to make a decision about how to proceed.
In my case, I could then add the specific task to a retry queue, and move onto the next
task, committing all of the work that had been successfully completed for the other tasks.
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