You are viewing a plain text version of this content. The canonical link for it is here.
Posted to common-issues@hadoop.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2016/12/23 17:03:58 UTC
[jira] [Assigned] (HADOOP-13496) Include file lengths in Mismatch
in length error for distcp
[ https://issues.apache.org/jira/browse/HADOOP-13496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ted Yu reassigned HADOOP-13496:
-------------------------------
Assignee: Ted Yu
> Include file lengths in Mismatch in length error for distcp
> -----------------------------------------------------------
>
> Key: HADOOP-13496
> URL: https://issues.apache.org/jira/browse/HADOOP-13496
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Ted Yu
> Assignee: Ted Yu
> Priority: Minor
> Labels: distcp
> Attachments: HADOOP-13496.v1.patch, HADOOP-13496.v1.patch
>
>
> Currently RetriableFileCopyCommand doesn't show the perceived lengths in Mismatch in length error:
> {code}
> 2016-08-12 10:23:14,231 ERROR [LocalJobRunner Map Task Executor #0] util.RetriableCommand(89): Failure in Retriable command: Copying hdfs://localhost:53941/user/tyu/test-data/dc7c674a-c463-4798-8260- c5d1e3440a4b/WALs/10.22.9.171,53952,1471022508087/10.22.9.171%2C53952%2C1471022508087.regiongroup-1.1471022510182 to hdfs://localhost:53941/backupUT/backup_1471022580616/WALs/10.22.9. 171%2C53952%2C1471022508087.regiongroup-1.1471022510182
> java.io.IOException: Mismatch in length of source:hdfs://localhost:53941/user/tyu/test-data/dc7c674a-c463-4798-8260-c5d1e3440a4b/WALs/10.22.9.171,53952,1471022508087/10.22.9.171%2C53952%2C1471022508087.regiongroup-1.1471022510182 and target:hdfs://localhost:53941/backupUT/backup_1471022580616/WALs/.distcp.tmp.attempt_local344329843_0006_m_000000_0
> at org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.compareFileLengths(RetriableFileCopyCommand.java:193)
> at org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.doCopy(RetriableFileCopyCommand.java:126)
> at org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.doExecute(RetriableFileCopyCommand.java:99)
> at org.apache.hadoop.tools.util.RetriableCommand.execute(RetriableCommand.java:87)
> at org.apache.hadoop.tools.mapred.CopyMapper.copyFileWithRetry(CopyMapper.java:281)
> at org.apache.hadoop.tools.mapred.CopyMapper.map(CopyMapper.java:253)
> at org.apache.hadoop.tools.mapred.CopyMapper.map(CopyMapper.java:50)
> {code}
> It would be helpful to include what's the expected length and what's the real length.
> Thanks to [~yzhangal] for offline discussion.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: common-issues-unsubscribe@hadoop.apache.org
For additional commands, e-mail: common-issues-help@hadoop.apache.org