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  1. WiredTiger
  2. WT-6421

Avoid parsing metadata checkpoint for clean files

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Details

    • 13
    • v4.2, v4.0

    Description

      There have been some discussions on SERVER-31704 about adjusting the hash size. We should review these changes and conduct some perf tests.

      Attachments

        1. 4.4.0-56-g17e5bae.png
          4.4.0-56-g17e5bae.png
          253 kB
        2. diagnostic.data_4.0.19_4.2.8_4.4.0.zip
          5.87 MB
        3. diagnostic.data_4.4.0-56-g17e5bae.zip
          6.99 MB
        4. high_level.png
          high_level.png
          269 kB

        Issue Links

          is related to

          Bug - A problem which impairs or prevents the functions of the product. SERVER-31704 Periodic drops in throughput during checkpoints while waiting on schema lock

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

          Bug - A problem which impairs or prevents the functions of the product. SERVER-40773 Slow queries every 80s under moderate load

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

          Bug - A problem which impairs or prevents the functions of the product. WT-5479 Checkpoint schema lock can cause long stalls in command execution on systems with many active data handles

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

          New Feature - A new feature of the product, which has yet to be developed. WT-6598 Add new API allowing changing dhandle hash bucket size

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

          Improvement - An improvement or enhancement to an existing feature or task. WT-7288 Construct a many-dhandle-stress.wtperf workload

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

          Web Link PSMDB-587 Add options to control the size of several WiredTiger hash arrays concerned with data handles and one for session cursor cache

          Activity

            People

              sue.loverso@mongodb.com Susan LoVerso
              brian.lane@mongodb.com Brian Lane
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              Dates

                Created:
                Updated:
                Resolved: