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https://issues.apache.org/jira/browse/HBASE-11360?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lars Hofhansl updated HBASE-11360:
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Fix Version/s: (was: 0.94.21)
0.94.22
> SnapshotFileCache refresh logic based on modified directory time might be
> insufficient
> --------------------------------------------------------------------------------------
>
> Key: HBASE-11360
> URL: https://issues.apache.org/jira/browse/HBASE-11360
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.94.19
> Reporter: churro morales
> Fix For: 0.99.0, 0.98.4, 0.94.22
>
> Attachments: 11360-0.98.txt, HBASE-11360-0.94.patch,
> HBASE-11360-0.96.patch
>
>
> Right now we decide whether to refresh the cache based on the lastModified
> timestamp of all the snapshots and those "running" snapshots which is located
> in the /hbase/.hbase-snapshot/.tmp/<snapshot> directory
> We ran a ExportSnapshot job which takes around 7 minutes between creating the
> directory and copying all the files.
> Thus the modified time for the
> /hbase/.hbase-snapshot/.tmp directory was 7 minutes earlier than the modified
> time of the
> /hbase/.hbase-snapshot/.tmp/<snapshot> directory
> Thus the cache refresh happens and doesn't pick up all the files but thinks
> its up to date as the modified time of the .tmp directory never changes.
> This is a bug as when the export job starts the cache never contains the
> files for the "running" snapshot and will fail.
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