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  1. Kudu
  2. KUDU-767

Un-cached reads should not bump blocks to front of LRU list

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Details

    • Improvement
    • Status: Reopened
    • Major
    • Resolution: Unresolved
    • Private Beta
    • NA
    • cfile, perf
    • None

    Description

      When we're doing an un-cached read like an MR job or compaction, we should probably not be moving the blocks being accessed to the front of the LRU list. Because we do, this can cause hotter blocks to get pushed down to be towards the end of the LRU after the big scan.

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              Unassigned Unassigned
              tlipcon Todd Lipcon
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                Created:
                Updated: