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https://issues.apache.org/jira/browse/HBASE-26458?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joel Swiatek updated HBASE-26458:
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Attachment: 0001-Add-UNSET_SNAPSHOT_PROP-and-fix-TTL-defaulting.patch
Status: Patch Available (was: Open)
Initial patch for master branch
> Value of hbase.master.snapshot.ttl is not used
> ----------------------------------------------
>
> Key: HBASE-26458
> URL: https://issues.apache.org/jira/browse/HBASE-26458
> Project: HBase
> Issue Type: Bug
> Components: snapshots
> Affects Versions: 2.4.8, 1.7.1
> Reporter: Joel Swiatek
> Priority: Minor
> Fix For: 2.4.8, 1.7.1
>
> Attachments: 0001-Add-UNSET_SNAPSHOT_PROP-and-fix-TTL-defaulting.patch
>
> Original Estimate: 120h
> Remaining Estimate: 120h
>
> When creating a snapshot, users can explicitly specify the TTL to be used. If
> no TTL is specified, then the SnapshotDescription is initially created with a
> TTL of -1 to indicate FOREVER.
> When the SnapshotDescription runs through SnapshotDescriptionUtils#validate,
> the TTL is checked to see if the default value of hbase.master.snapshot.ttl
> should be applied. The value from the config is only applied if the TTL == 0,
> but it should be -1.
> This has another nasty side-effect: any user who creates a snapshot and
> explicitly sets \{TTL => 0} will find that their snapshot gets its TTL from
> hbase.master.snapshot.TTL.
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