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Posted to dev@hbase.apache.org by "Dieter De Paepe (Jira)" <ji...@apache.org> on 2026/03/10 13:32:00 UTC

[jira] [Created] (HBASE-29984) Backup log collection can fail

Dieter De Paepe created HBASE-29984:
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             Summary: Backup log collection can fail
                 Key: HBASE-29984
                 URL: https://issues.apache.org/jira/browse/HBASE-29984
             Project: HBase
          Issue Type: Bug
          Components: backup&amp;restore
    Affects Versions: 2.6.4, 4.0.0-alpha-1, 3.0.0-beta-2
            Reporter: Dieter De Paepe


Found during [review|https://github.com/apache/hbase/pull/7582/changes/e1c25329acf26792bbf4faed98a44fab647e39d2#r2676601419] of HBASE-29776.

The backup logic scans the logs and oldlogs:
 * IncrementalBackupManager#getLogFilesForNewBackup
 * (Introduced in HBASE-29776) FullTableBackupClient#execute

It assumes old logs are files under the "oldWals" folder.

However, there's a configuration key hbase.separate.oldlogdir.by.regionserver that can change this behavior. When set to true, the old logs are stored in directories under "oldWals". The backup code will error on this.



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