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From "Raghu Angadi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1680) Improvements to Block CRC upgrade messages
Date Fri, 03 Aug 2007 19:43:53 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12517617
] 

Raghu Angadi commented on HADOOP-1680:
--------------------------------------

NAMENODE:

 * Safe mode will be turned off automatically upon completion of the distributed upgrade:
status = 0%
 ** change 'status' to 'upgrade progress'

 * 2007-07-27 21:05:20,069 INFO org.apache.hadoop.dfs.BlockCrcUpgradeNamenode: Marking Datanode
Upgrade done
 ** change to 'Upgrade of all DataNode blocks is complete.'

 * 2007-07-27 21:05:20,069 INFO org.apache.hadoop.dfs.BlockCrcUpgradeNamenode: Deleting ".crc"
files. This can take few minutes ...
 ** change to 'Deleting ".crc" files. This may take a few minutes.'

 * 2007-07-27 21:05:20,599 INFO org.apache.hadoop.dfs.BlockCrcUpgradeNamenode: Deleted 46
files
 ** change to 'Deleted 46 ".crc" files.'

 * 2007-07-27 21:05:20,632 INFO org.apache.hadoop.dfs.BlockCrcUpgradeNamenode: Upgrade completed.
 ** change to 'DataNode upgrade is complete.'
      
  *  Avg completion on Datanodes: 100.00% with 0 errors.
  ** change to 'Average completion of all DataNodes: 100.00% with 0 errors.'


DATANODE:

 * 2007-07-27 21:05:06,867 WARN org.apache.hadoop.dfs.DataNode: Could not find metadata file
for blk_-5527862901389508424
 ** try turning this message off during distributed upgrade

 * 2007-07-27 22:12:31,666 INFO org.apache.hadoop.dfs.BlockCrcUpgradeUtils: readCrcBuf: 2
out of 3 matched for blk_1227930759043708693 (file: /user/ndaley/0.13.1/part-18)
  ** 'readCrcBuf: 2 out of 3 matched' should be 'at least 2 of the 3 replicated CRC files
agree'
  ** 'file:' should be 'from file:'

 * 2007-07-27 22:12:31,661 INFO org.apache.hadoop.dfs.BlockCrcUpgradeUtils: readCrcBuf: 4
out of 20 matched for blk_1122855582873753750 (file: /20replicationSmallChecksum)
  ** 'readCrcBuf: 4 out of 20 matched' should be 'at least 3 of the 4 replicated CRC files
agree'.
     ie the 2nd number should be the max that are online 

> Improvements to Block CRC upgrade messages
> ------------------------------------------
>
>                 Key: HADOOP-1680
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1680
>             Project: Hadoop
>          Issue Type: Bug
>    Affects Versions: 0.14.0
>            Reporter: Raghu Angadi
>            Assignee: Raghu Angadi
>            Priority: Blocker
>             Fix For: 0.14.0
>
>
> Nigel has good suggestions regd various log messages during Block CRC upgrade. I will
include the suggestions in the next comment.

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