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  1. Hadoop Map/Reduce
  2. MAPREDUCE-2570

Bug in RAID FS (DistributedRaidFileSystem) unraid path

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Won't Fix
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: contrib/raid
    • Labels:
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      Description

      The "un-raid" path in DistributedRaidFileSystem goes through RaidNode.unRaidCorruptBlock(), which has a bug when the parity file is inside a HAR. The temporary file that contains the recovered block contents is created in the filesystem that hosts the parity file. In case the parity file is inside a HAR, its filesystem is HarFileSystem, which is read-only. In this case the temporary file creation will fail. The fix is a one-line change to use the underlying filesystem of the HAR.

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            • Assignee:
              rvadali Ramkumar Vadali
              Reporter:
              rvadali Ramkumar Vadali
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                Updated:
                Resolved: