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https://issues.apache.org/jira/browse/HBASE-20841?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duo Zhang updated HBASE-20841:
------------------------------
    Fix Version/s: 3.0.0

> Add note about the limitations when running WAL against higher version of 
> hadoop
> --------------------------------------------------------------------------------
>
>                 Key: HBASE-20841
>                 URL: https://issues.apache.org/jira/browse/HBASE-20841
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Duo Zhang
>            Priority: Major
>             Fix For: 3.0.0
>
>
> AsyncFSWAL may easily be broken when upgrading the DFSClient, so we 
> introduced a fallback logic in HBASE-20839. And also, WAL can not be written 
> into a directory with EC enabled, but the API for creating a non-EC file in 
> EC directory is not available in hadoop-2.8-, see HBASE-19369 for more 
> details.



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