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https://issues.apache.org/jira/browse/HBASE-4992?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack updated HBASE-4992:
-------------------------
Resolution: Fixed
Hadoop Flags: Reviewed
Status: Resolved (was: Patch Available)
Applied to trunk. Thanks for patch Scott.
> Use a UUID for HFileOutputFormat partition path name
> ----------------------------------------------------
>
> Key: HBASE-4992
> URL: https://issues.apache.org/jira/browse/HBASE-4992
> Project: HBase
> Issue Type: Bug
> Components: mapreduce
> Reporter: Scott Chen
> Priority: Minor
> Attachments: HBASE-4992.txt
>
>
> HFileOutputFormat uses timestamps for the path name to avoid collision.
> It is possible the path name still collide and causing MR job fails.
> Caused by: java.io.IOException: File:
> hdfs://ubasedev001-snc3-dfs-nn.data.facebook.com:9000/user/hadoop/partitions_1316142976586#_\
> partition.lst has changed on HDFS since job started
> at
> org.apache.hadoop.filecache.DistributedCache.ifExistsAndFresh(DistributedCache.java:572)
> at
> org.apache.hadoop.filecache.DistributedCache.checkCacheStatusValidity(DistributedCache.java:465)
> at
> org.apache.hadoop.filecache.DistributedCache.getLocalCache(DistributedCache.java:230)
> at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:208)
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