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