Make the periods of query sampling periodic jobs configurable at runtime

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    • Type: Task
    • Resolution: Fixed
    • Priority: Major - P3
    • 7.1.0-rc0, 7.0.1
    • Affects Version/s: None
    • Component/s: Sharding
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    • Fully Compatible
    • v7.0
    • Sharding NYC 2023-07-24
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    • 3
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      Currently, the server parameters for the periods of the periodic jobs for refreshing query sampling configurations and writing sampled queries to disk are configurable on startup only. Although users are unlikely to need to configure these periods, we should still make them configurable in runtime.

      Here is an example of how to subscribe to changes to a server parameter, and here is an example of how the period of a PeriodicRunner::Job can be updated. 

              Assignee:
              Cheahuychou Mao
              Reporter:
              Cheahuychou Mao
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                Created:
                Updated:
                Resolved: