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https://issues.apache.org/jira/browse/HBASE-30302?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dong0829 reassigned HBASE-30302:
--------------------------------
Assignee: Dong0829
> CatalogJanitor.cleanParent clean the parent who still referred by other
> regions via HFileLink
> ---------------------------------------------------------------------------------------------
>
> Key: HBASE-30302
> URL: https://issues.apache.org/jira/browse/HBASE-30302
> Project: HBase
> Issue Type: Bug
> Components: SFT
> Reporter: Dong0829
> Assignee: Dong0829
> Priority: Major
>
> CatalogJanitor.cleanParent gates GCRegionProcedure on whether the daughters
> still reference the parent, and that check only ever tested
> StoreFileInfo.isReference() -- never HFileLink.isHFileLink(). A daughter
> holding nothing but HFileLinks therefore reported "no references", so the
> parent was collected after the split while the daughters still depended on
> it. The daughters' links were then left dangling and the regions failed to
> open with FileNotFoundException.
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