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

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    • v6.3, v6.2, v6.0, v5.0, v4.4

      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.

              Assignee:
              Haribabu Kommi
              Reporter:
              Chenhao Qu
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                Created:
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