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https://issues.apache.org/jira/browse/QPID-8500?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alex Rudyy resolved QPID-8500.
------------------------------
Resolution: Fixed
> [Broker-J] Introduce a switch to disable coalescing committer in BDB HA
> message store
> -------------------------------------------------------------------------------------
>
> Key: QPID-8500
> URL: https://issues.apache.org/jira/browse/QPID-8500
> Project: Qpid
> Issue Type: Improvement
> Components: Broker-J
> Reporter: Alex Rudyy
> Priority: Major
> Fix For: qpid-java-broker-8.0.4, qpid-java-broker-7.1.12
>
>
> A BDB JE replication Feeder fails sporadically with errors like the one below
> {noformat}
> Halted log file reading at file 0x7472c8 offset 0x199d07
> offset(decimal)=1678599 prev=0x199cd5:
> entry=DEL_LN_TXtype=31,version=14)
> prev=0x199cd5
> size=44
> Next entry should be at 0x199d49
> com.sleepycat.je.EnvironmentFailureException: (JE 7.4.5) want to read
> 52,431,066,320 but reader at 52,431,066,327 UNEXPECTED_STATE: Unexpected
> internal state, may have side effects.
> at
> com.sleepycat.je.EnvironmentFailureException.unexpectedState(EnvironmentFailureException.java:428)
> at
> com.sleepycat.je.rep.stream.FeederReader.checkForPassingTarget(FeederReader.java:297)
> at
> com.sleepycat.je.rep.stream.FeederReader.isTargetEntry(FeederReader.java:317)
> at
> com.sleepycat.je.log.FileReader.readNextEntryAllowExceptions(FileReader.java:332)
> at com.sleepycat.je.log.FileReader.readNextEntry(FileReader.java:245)
> at
> com.sleepycat.je.rep.stream.FeederReader.scanForwards(FeederReader.java:280)
> at
> com.sleepycat.je.rep.stream.MasterFeederSource.getWireRecord(MasterFeederSource.java:70)
> at
> com.sleepycat.je.rep.impl.node.Feeder$OutputThread.writeAvailableEntries(Feeder.java:1266)
> at
> com.sleepycat.je.rep.impl.node.Feeder$OutputThread.run(Feeder.java:1144)
> {noformat}
> Based on discussion at
> [https://community.oracle.com/tech/developers/discussion/4300421/master-fails-unexpectedly-due-to-feeder-output-halted-log-file-reading-at-file-0x334f63-offset-0x8ce]
> we need a way to configure broker without a coalescing committer. The local
> sync policy would be set as per user virtual host settings.
> A context variable can be added into BDB HA to disable coalescing committer
> thread.
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