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Posted to dev@zookeeper.apache.org by "Rakesh R (JIRA)" <ji...@apache.org> on 2014/03/28 14:49:18 UTC
[jira] [Updated] (ZOOKEEPER-1797) PurgeTxnLog may delete data logs
during roll
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rakesh R updated ZOOKEEPER-1797:
--------------------------------
Attachment: ZOOKEEPER-1797.patch
> PurgeTxnLog may delete data logs during roll
> --------------------------------------------
>
> Key: ZOOKEEPER-1797
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1797
> Project: ZooKeeper
> Issue Type: Bug
> Affects Versions: 3.4.5
> Reporter: Derek Dagit
> Fix For: 3.5.0
>
> Attachments: ZOOKEEPER-1797.patch
>
>
> org.apache.zookeeper.server.PurgeTxnLog deletes old data logs and snapshots, keeping the newest N snapshots and any data logs that have been written since the snapshot.
> It does this by listing the available snapshots & logs and creates a blacklist of snapshots and logs that should not be deleted. Then, it searches for and deletes all logs and snapshots that are not in this list.
> It appears that if logs are rolling or a new snapshot is created during this process, then these newer files will be unintentionally deleted.
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