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From "Jakob Homan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8435) createNonRecursive support needed in WebHdfsFileSystem to support HBase
Date Wed, 01 Jul 2015 18:05:04 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14610744#comment-14610744
] 

Jakob Homan commented on HDFS-8435:
-----------------------------------

Haven't had a chance to look. Scheduled for Thursday, maybe Monday.

> createNonRecursive support needed in WebHdfsFileSystem to support HBase
> -----------------------------------------------------------------------
>
>                 Key: HDFS-8435
>                 URL: https://issues.apache.org/jira/browse/HDFS-8435
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: webhdfs
>    Affects Versions: 2.6.0
>            Reporter: Vinoth Sathappan
>            Assignee: Jakob Homan
>         Attachments: HDFS-8435-branch-2.7.001.patch, HDFS-8435.001.patch, HDFS-8435.002.patch
>
>
> The WebHdfsFileSystem implementation doesn't support createNonRecursive. HBase extensively
depends on that for proper functioning. Currently, when the region servers are started over
web hdfs, they crash due with -
> createNonRecursive unsupported for this filesystem class org.apache.hadoop.hdfs.web.SWebHdfsFileSystem
>                 at org.apache.hadoop.fs.FileSystem.createNonRecursive(FileSystem.java:1137)
>                 at org.apache.hadoop.fs.FileSystem.createNonRecursive(FileSystem.java:1112)
>                 at org.apache.hadoop.fs.FileSystem.createNonRecursive(FileSystem.java:1088)
>                 at org.apache.hadoop.hbase.regionserver.wal.ProtobufLogWriter.init(ProtobufLogWriter.java:85)
>                 at org.apache.hadoop.hbase.regionserver.wal.HLogFactory.createWriter(HLogFactory.java:198)



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