[jira] [Updated] (HBASE-20686) Asyncfs should retry upon RetryStartFileException

["Wei-Chiu Chuang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-20686?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wei-Chiu Chuang updated HBASE-20686:
------------------------------------
    Attachment: HBASE-20686.master.001.patch

> Asyncfs should retry upon RetryStartFileException
> -------------------------------------------------
>
>                 Key: HBASE-20686
>                 URL: https://issues.apache.org/jira/browse/HBASE-20686
>             Project: HBase
>          Issue Type: Bug
>          Components: asyncclient
>    Affects Versions: 2.0.0-beta-1
>         Environment: HBase 2.0, Hadoop 3 with at-rest encryption
>            Reporter: Wei-Chiu Chuang
>            Assignee: Wei-Chiu Chuang
>            Priority: Major
>         Attachments: HBASE-20686.master.001.patch
>
>
> In Hadoop-2.6 and above, HDFS client retries on RetryStartFileException when NameNode experience encryption zone related issue. The code exists in DFSOutputStream#newStreamForCreate(). (HDFS-6970)
> In HBase-2's asyncfs implementation, FanOutOneBlockAsyncDFSOutputHelper#createOutput() is somewhat an imitation of HDFS's DFSOutputStream#newStreamForCreate(). However it does not retry upon RetryStartFileException. So it is less resilient to such issues.
> Also, DFSOutputStream#newStreamForCreate() upwraps RemoteExceptions, but asyncfs does not. Therefore, hbase gets different exceptions than before.
> File this jira to get this corrected.



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