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https://issues.apache.org/jira/browse/HBASE-26670?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duo Zhang updated HBASE-26670:
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Priority: Critical (was: Minor)
> HFileLinkCleaner should be added even if snapshot is disabled
> -------------------------------------------------------------
>
> Key: HBASE-26670
> URL: https://issues.apache.org/jira/browse/HBASE-26670
> Project: HBase
> Issue Type: Bug
> Reporter: Yi Mei
> Priority: Critical
>
> We encountered a problem in our cluster:
> 1. Cluster has many snapshots, cause the archive directory is too big.
> 2. We delete some snapshots, but the cleaner runs slowly because this is a
> race in synchronized method of SnapshotHFileCleaner.
> 3. We delete all snapshots, and disable snapshot
> feature(hbase.snapshot.enabled=false), so the cleaner will skip the
> synchronized method in SnapshotHFileCleaner.
> 4. After cleaner runs, some back reference and data files under archive
> directory are deleted, but they are still used by some restored tables. This
> does not meet expectations.
> One solution is add HFileLinkCleaner even if snapshot is disabled.
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