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