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  1. WiredTiger
  2. WT-10449

Do not save update chain when there are no updates to be written to the history store

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Details

    • 5
    • 2023-02-23 "Stoney Baloney"
    • v6.3, v6.2, v6.0, v5.0, v4.4

    Description

      If we have a big page with a lot of updates, reconciliation can take a long time. It is a problem for eviction as it will block the read write operations and eviction.

      The majority time of reconciliation is spent in inserting updates to the history store but building the disk image can also take more than 1 minute.

      We need to figure out how to avoid long reconciliation in eviction.

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        Issue Links

          backported by

          Build Failure - WT-10772 failed: make-check-test on macos-1014-cmake [wiredtiger-mongo-v5.0 @ c7cea9c7]

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

          Bug - A problem which impairs or prevents the functions of the product. WT-10723 Avoid checking all updates to decide the need for save update

          • Major - P3 - Major loss of function.
          • In Progress
          is depended on by

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-70695 Use config fuzzer on sharded tests

          • Major - P3 - Major loss of function.
          • Closed
          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. WT-9357 Generation drain timeout after calling compact_checkpoint

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

          Build Failure - WT-8442 test_checkpoint_row_stress_sweep_timestamps : resource took too long to drain

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

          Build Failure - WT-10436 Fix format eviction generation drain failure (5.0)

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

          Build Failure - WT-10442 Fix eviction generation drain timeout in test_checkpoint (5.0)

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

          Activity

            People

              haribabu.kommi@mongodb.com Haribabu Kommi
              chenhao.qu@mongodb.com Chenhao Qu
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              Dates

                Created:
                Updated:
                Resolved: