TT successfully localizes a task even though the corresponding cache-file has
already changed on DFS.
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Key: MAPREDUCE-1225
URL: https://issues.apache.org/jira/browse/MAPREDUCE-1225
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: tasktracker
Affects Versions: 0.21.0
Reporter: Vinod K V
Fix For: 0.21.0
This happens with the first task of a job being localized on this TT. TT
doesn't check if the file on DFS is fresh according to the timestamps set in
job-conf during submission. After the first task incorrectly gets localized,
all further tasks fail on this TT as expected.
Found this issue while trying to improve test-case for MAPREUCE-913.
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