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From "Zhe Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8166) DFSStripedOutputStream should not create empty blocks
Date Thu, 16 Apr 2015 23:21:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8166?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14498952#comment-14498952
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Zhe Zhang commented on HDFS-8166:
---------------------------------

Thanks Nicholas for catching this. Looks like a dup to HDFS-8145

> DFSStripedOutputStream should not create empty blocks
> -----------------------------------------------------
>
>                 Key: HDFS-8166
>                 URL: https://issues.apache.org/jira/browse/HDFS-8166
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Tsz Wo Nicholas Sze
>
> After running TestDFSStripedOutputStream#TestFileEmpty, blocks with zero byte are created.
> {code}
> 2015-04-16 14:49:06,926 INFO  DataNode.clienttrace (BlockReceiver.java:finalizeBlock(1313))
- src: /127.0.0.1:54408, dest: /127.0.0.1:54391, bytes: 0, op: HDFS_WRITE, cliID: DFSClient_NONMAPREDUCE_-2099612148_1,
offset: 0, srvID: e3ad3c46-3d74-4597-a0c9-136611ede616, blockid: BP-937503061-10.11.6.219-1429220944603:blk_-9223372036854775800_1001,
duration: 256000
> {code}



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