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https://issues.apache.org/jira/browse/ZOOKEEPER-2420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ed Rowe updated ZOOKEEPER-2420:
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Description: Autopurge retains all log files whose zxid are >= the zxid of
the oldest log file that it is going to retain (in PurgeTxnLog
retainNRecentSnapshots()). Given that loading the database from snapshots/logs
will start with the log file _prior_ to the snapshot's zxid, autopurge should
retain the log file prior to the first snapshot as well unless it verifies that
it contains no zxids beyond what the snapshot contains. (was: Autopurge
retains all log files whose zxid are >= the zxid of the oldest log file that it
is going to retain (in PurgeTxnLog retainNRecentSnapshots()). Given that
loading the database from snapshots/logs will start with the log file _prior_
to the snapshot's zxid, autopurge should retain this log file as well unless it
verifies that it contains no zxids beyond what the snapshot contains. )
> Autopurge deletes log file prior to oldest retained snapshot even though
> restore may need it
> --------------------------------------------------------------------------------------------
>
> Key: ZOOKEEPER-2420
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2420
> Project: ZooKeeper
> Issue Type: Bug
> Components: server
> Reporter: Ed Rowe
>
> Autopurge retains all log files whose zxid are >= the zxid of the oldest log
> file that it is going to retain (in PurgeTxnLog retainNRecentSnapshots()).
> Given that loading the database from snapshots/logs will start with the log
> file _prior_ to the snapshot's zxid, autopurge should retain the log file
> prior to the first snapshot as well unless it verifies that it contains no
> zxids beyond what the snapshot contains.
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