Increase the size of changelog and actionlog

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    • Fully Compatible
    • v4.0, v3.6
    • Sharding 2018-07-16
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      The (uncompressed) changelog and actionlog size is currently 10MB and 2MB respectively.

      On busy clusters (many concurrent chunk migrations and splits), I have seen the changelog window shrink to ~2 hours.

      For diagnostic purposes it would be useful to increase the changelog and actionlog size to hold a longer time window.

      Suggested sizes:

      • changelog: 200 MB (20x)
      • actionlog: 20 MB (10x, as it tends to be less subject to writes in a busy cluster)

              Assignee:
              Sarah Zhou
              Reporter:
              Josef Ahmad
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                Created:
                Updated:
                Resolved: