[jira] [Commented] (ZOOKEEPER-1107) automating log and snapshot cleaning

["Patrick Hunt (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-1107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13053986#comment-13053986 ] 

Patrick Hunt commented on ZOOKEEPER-1107:
-----------------------------------------

Can you give some rational for this change? Is PTL not sufficient?

Also see this JIRA, which would make such changes obsolete: ZOOKEEPER-323

here are some reasons I can remember we do it this way:
1) keep things simple, eg cron job with a basic script that could do whatever it likes re cleanup - thereby conforming to whatever requirements the operator might have (which will typ be very different from the concerns of the developers)
2) don't cleanup unless the operator explicitly requests - ensures we don't lose data, say the operator is backing up every month, but the default is for zk to cleanup every hour (etc...)


I don't see a problem with adding this as long as it's off by default, obv configurable through the zk config file. What sorts of functionality would be provided by this feature?




> automating log and snapshot cleaning
> ------------------------------------
>
>                 Key: ZOOKEEPER-1107
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1107
>             Project: ZooKeeper
>          Issue Type: Improvement
>          Components: server
>    Affects Versions: 3.3.3
>            Reporter: Jun Rao
>
> I like to have ZK itself manage the amount of snapshots and logs kept,  instead of relying on the PurgeTxnLog utility.

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