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https://issues.apache.org/jira/browse/HBASE-29984?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18099676#comment-18099676
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Dieter De Paepe commented on HBASE-29984:
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Hi [~mazhengxuan] - sure thing, go for it.
> Backup log collection can fail
> ------------------------------
>
> Key: HBASE-29984
> URL: https://issues.apache.org/jira/browse/HBASE-29984
> Project: HBase
> Issue Type: Bug
> Components: backup&restore
> Affects Versions: 4.0.0-alpha-1, 3.0.0-beta-2, 2.6.4
> Reporter: Dieter De Paepe
> Priority: Major
>
> 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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