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  1. Core Server
  2. SERVER-65816

Change balancer policy to balance on data size rather than number of chunks

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Details

    • Task
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • None
    • 6.0.3, 6.1.0-rc0
    • None
    • None
    • Fully Compatible
    • v6.0
    • Sharding EMEA 2022-05-02, Sharding EMEA 2022-05-16, Sharding EMEA 2022-05-30
    • 150

    Description

      Make the balancer retrieve stats from the BalancerStatsRegistry to take decisions: from balancing based on number of chunks to balancing based on actual collection size on each shard (excluding orphans).

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        Issue Links

          causes

          Bug - A problem which impairs or prevents the functions of the product. SERVER-66827 Balancer may skip a round if last randomly selected collection has balancing disabled

          • Major - P3 - Major loss of function.
          • Closed
          is related to

          Task - A task that needs to be done. SERVER-66378 Adapt tests skipped when featureFlagBalanceAccordingToDataSize is enabled

          • Major - P3 - Major loss of function.
          • Closed
          related to

          Bug - A problem which impairs or prevents the functions of the product. SERVER-66677 Fix clang_tidy error on enterprise-rhel80-dynamic-clang-tidy-v4

          • Major - P3 - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. SERVER-70852 Recommit SERVER-66716 on v6.0

          • Major - P3 - Major loss of function.
          • Closed

          Task - A task that needs to be done. DOCS-15340 [Server] Document change of balancing policy

          • Critical - P2 - Crashes, loss of data, severe memory leak.
          • Closed

          Activity

            People

              pierlauro.sciarelli@mongodb.com Pierlauro Sciarelli
              pierlauro.sciarelli@mongodb.com Pierlauro Sciarelli
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              Dates

                Created:
                Updated:
                Resolved: