Joel Swiatek created HBASE-26458:
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Summary: 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
Fix For: 2.4.8, 1.7.1
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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