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https://issues.apache.org/jira/browse/HBASE-7294?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13526023#comment-13526023
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Jonathan Hsieh commented on HBASE-7294:
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I think we should not allow snapshots if the proper cleaner is not installed,
and I think the rs and hm startup code should also check to see if there are
.snapshots present and abort startup if the proper cleaner is not installed
with a log message saying that this must be done.
We *do not* want to even allow an admin accidentally change something that
could result in data loss.
> Check for snapshot file cleaners on start
> -----------------------------------------
>
> Key: HBASE-7294
> URL: https://issues.apache.org/jira/browse/HBASE-7294
> Project: HBase
> Issue Type: Sub-task
> Components: Client, master, regionserver, snapshots, Zookeeper
> Affects Versions: hbase-6055
> Reporter: Jesse Yates
> Fix For: hbase-6055, 0.96.0
>
>
> From Matteo Bertozzi:
> {quote}
> currently the snapshot cleaner is not in hbase-default.xml
> and there's no warning/exception on snapshot/restore operation, if not
> enabled.
> even if we add the cleaner to the hbase-default.xml how do we ensure that the
> user doesn't remove it?
> Do we want to hardcode the cleaner at master startup?
> Do we want to add a check in snapshot/restore that throws an exception if the
> cleaner is not enabled?
> {quote}
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