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  1. Hadoop HDFS
  2. HDFS-8425 [umbrella] Performance tuning, investigation and optimization for erasure coding
  3. HDFS-8032

Erasure coding: shrink size of indices in BlockInfoStriped

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

      In a m+k erasure coding schema, the first (m+k) slots in BlockInfoStriped do not need indexing, since the ith storage directly maps to the ith block in the erasure coding block group.

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          relates to

          Sub-task - The sub-task of the issue HDFS-8501 Erasure Coding: BlockInfoStriped.removeStorage(..) move storage with same blockIndex to front slot

          • Major - Major loss of function.
          • Patch Available

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              zhz Zhe Zhang
              zhz Zhe Zhang
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              Dates

                Created:
                Updated: