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Posted to issues@hbase.apache.org by "Andrew Kyle Purtell (Jira)" <ji...@apache.org> on 2022/06/11 20:16:00 UTC

[jira] [Closed] (HBASE-879) When dfs restarts or moves blocks around, hbase regionservers don't notice

     [ https://issues.apache.org/jira/browse/HBASE-879?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Kyle Purtell closed HBASE-879.
-------------------------------------

> When dfs restarts or moves blocks around, hbase regionservers don't notice
> --------------------------------------------------------------------------
>
>                 Key: HBASE-879
>                 URL: https://issues.apache.org/jira/browse/HBASE-879
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver
>    Affects Versions: 0.18.1, 0.19.0
>            Reporter: Michael Bieniosek
>            Priority: Major
>
> Since the hbase regionservers use a DFSClient to keep handles open to the dfs, if the dfs blocks move around (typically because of a dfs restart, but can also happen if datanodes die or blocks get shuffled around), the regionserver will be unable to service the region.  It would be nice if the DFSClient that the regionservers use could notice this case and refresh the block list. 



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