Diagnostics Shell Helper diag.checkFragmentation()

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    • Type: New Feature
    • Resolution: Won't Do
    • Priority: Minor - P4
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    • Affects Version/s: None
    • Component/s: Diagnostics, Shell
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      This helper function would compare a number of database statistics from db.stats() and output a report highlighting where potential fragmentation might exist. This information could indicate when a repair / compact on a database / collection is necessary.

      The implementation should produce machine readable and useable versions as well as a textual report.

      Motivation:
      The idea is to identify if a database may have fragmentation by applying a number of rules of thumb to the various db.stats() - essentially a quick indicator that fragmentation may exist and that it is appropriate to perform maintenance on the mongod. This is straight forward when dealing with a single host, however suffers when it needs to be scaled up to dozens / hundreds of hosts.

            Assignee:
            DO NOT USE - Backlog - Platform Team
            Reporter:
            Eoin Brazil
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              Created:
              Updated:
              Resolved: