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  1. Hadoop HDFS
  2. HDFS-8425 [umbrella] Performance tuning, investigation and optimization for erasure coding
  3. HDFS-7354

Optimized handling of parity blocks in block management

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    • Sub-task
    • Status: Open
    • Major
    • Resolution: Unresolved
    • None
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    Description

      Parity blocks are not accessed during normal I/O operations. They should therefore be treated with lower priority in the block recovery framework. This JIRA tracks this effort as well as other special treatments which might be needed for parity blocks.

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          relates to

          Sub-task - The sub-task of the issue HDFS-8461 Erasure coding: fix priority level of UnderReplicatedBlocks for striped block

          • Major - Major loss of function.
          • Resolved

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              zhz Zhe Zhang
              zhz Zhe Zhang
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              Dates

                Created:
                Updated: