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Posted to issues@hbase.apache.org by "Sean Busbey (JIRA)" <ji...@apache.org> on 2016/06/24 21:58:16 UTC

[jira] [Commented] (HBASE-16110) AsyncFS WAL doesn't work with Hadoop 2.8+

    [ https://issues.apache.org/jira/browse/HBASE-16110?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15348755#comment-15348755 ] 

Sean Busbey commented on HBASE-16110:
-------------------------------------

First issue:

The IA.Private DFSClient.Conf class was removed in HDFS-8100. This causes compilation against version 2.8.0-SNAPSHOT+ to fail. If we compile against an earlier release and then run in a cluster running 2.8+ versions, the static initializer in FanOutOneBlockAsyncDFSOutputHelper that sets CREATE_CHECKSUM will throw a ClassNotFoundException and bring down the RS.

> AsyncFS WAL doesn't work with Hadoop 2.8+
> -----------------------------------------
>
>                 Key: HBASE-16110
>                 URL: https://issues.apache.org/jira/browse/HBASE-16110
>             Project: HBase
>          Issue Type: Bug
>          Components: wal
>    Affects Versions: 2.0.0
>            Reporter: Sean Busbey
>            Priority: Blocker
>             Fix For: 2.0.0
>
>
> The async wal implementation doesn't work with Hadoop 2.8+. Fails compilation and will fail running.



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