Uploaded image for project: 'IMPALA'
  1. IMPALA
  2. IMPALA-2560

Large memory consumption on coordinator node when handling a large number of partitions due to redundancy in TDescriptorTable

    XMLWordPrintableJSON

Details

    • Bug
    • Status: Resolved
    • Critical
    • Resolution: Fixed
    • Impala 2.0
    • Impala 2.5.0
    • None

    Description

      When running a query touching 10 tables each with 5-10K partitions higher than usual memory consumption was reported on the coordinator node.

      Attachments

        1. TExecPlanFragmentParams1NodeOrders1-4.txt.tar.gz
          497 kB
          Mostafa Mokhtar
        2. IMPALA-2560.5.patch
          17 kB
          Mostafa Mokhtar
        3. IMPALA-2560.2.patch
          10 kB
          Mostafa Mokhtar
        4. IMPALA-2560.1.patch
          11 kB
          Mostafa Mokhtar

        Issue Links

          is related to

          Sub-task - The sub-task of the issue IMPALA-2550 Switch to per-query exec rpc

          • Major - Major loss of function.
          • Resolved

          Activity

            People

              mmokhtar Mostafa Mokhtar
              mmokhtar Mostafa Mokhtar
              Votes:
              0 Vote for this issue
              Watchers:
              8 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: