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https://issues.apache.org/jira/browse/HBASE-7339?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Hsieh updated HBASE-7339:
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Resolution: Fixed
Hadoop Flags: Reviewed
Status: Resolved (was: Patch Available)
Committed to hbase-6055. After several runs, it the failing tests are flaky on
trunk and before this patch goes in.
> Splitting a hfilelink causes region servers to go down.
> -------------------------------------------------------
>
> Key: HBASE-7339
> URL: https://issues.apache.org/jira/browse/HBASE-7339
> Project: HBase
> Issue Type: Sub-task
> Components: snapshots
> Affects Versions: hbase-6055
> Reporter: Jonathan Hsieh
> Assignee: Jonathan Hsieh
> Priority: Blocker
> Fix For: hbase-6055
>
> Attachments: hbase-7339.patch, hbase-7339.v2.patch,
> pre-hbase-7339.patch, pre-hbase-7339.v2.patch
>
>
> Steps:
> - Have a single region table t with 15 hfiles in it.
> - Snapshot it. (was done using online snapshot from HBASE-7321)
> - Clone a snapshot to table t'.
> - t' has its region do a post-open task that attempts to compact region.
> policy does not compact all files. (default seems to be 10)
> - after compaction we have hfile links and real hfiles mixed in the region
> - t' starts splitting
> - creating split references, opening daughers fails
> - hfile links are "split", creating hfile link daughter refs.
> {{<<hfile>\-<region>\-<table>>.<parentregion>}}
> - these "split" hfile links are interpreted as hfile links with table
> {{<table>.<parentregion>}} ->
> {{<<hfile>\-<region>>\-<<table>.<parentregion>>}} (groupings interpreted
> incorrectly)
> - Since this is after the splitting PONR, this aborts the server. It then
> spreads to the next server.
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