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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-15831) Include modificationTime in the toString method of CopyListingFileStatus
Date Fri, 12 Oct 2018 09:01:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-15831?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16647676#comment-16647676
] 

Steve Loughran commented on HADOOP-15831:
-----------------------------------------

sorry, missed that you'd done the update.

+1

committed to trunk. thanks!

> Include modificationTime in the toString method of CopyListingFileStatus
> ------------------------------------------------------------------------
>
>                 Key: HADOOP-15831
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15831
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>            Priority: Minor
>             Fix For: 3.3.0
>
>         Attachments: HADOOP-15831.01.patch, HADOOP-15831.02.patch, HADOOP-15831.03.patch
>
>
> I was looking at a DistCp error observed in hbase backup test:
> {code}
> 2018-10-08 18:12:03,067 WARN  [Thread-933] mapred.LocalJobRunner$Job(590): job_local1175594345_0004
> java.io.IOException: Inconsistent sequence file: current chunk file org.apache.hadoop.tools.CopyListingFileStatus@7ac56817{hdfs://localhost:41712/user/hbase/test-data/
      c0f6352c-cf39-bbd1-7d10-57a9c01e7ce9/data/default/test-1539022262249/be1bf5445faddb63e45726410a07917a/f/f565f49046b04eecbf8d129eac7a7b88_SeqId_205_
length = 5100 aclEntries  = null, xAttrs = null} doesnt match prior entry org.apache.hadoop.tools.CopyListingFileStatus@7aa4deb2{hdfs://localhost:41712/user/hbase/test-data/c0f6352c-cf39-bbd1-7d10-
  57a9c01e7ce9/data/default/test-1539022262249/be1bf5445faddb63e45726410a07917a/f/41b6cb64bae64cbcac47d1fd9aae59f4_SeqId_205_
length = 5142 aclEntries = null, xAttrs = null}
>   at org.apache.hadoop.tools.mapred.CopyCommitter.concatFileChunks(CopyCommitter.java:276)
>   at org.apache.hadoop.tools.mapred.CopyCommitter.commitJob(CopyCommitter.java:100)
>   at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:567)
> 2018-10-08 18:12:03,150 INFO  [Time-limited test] mapreduce.MapReduceBackupCopyJob$BackupDistCp(226):
Progress: 100.0% subTask: 1.0 mapProgress: 1.0
> {code}
> I noticed that modificationTime was not included in the toString of CopyListingFileStatus.
> I propose including modificationTime so that it is easier to tell when the respective
files last change.



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