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  1. Percona Monitoring and Management
  2. PMM-5053

Tooltips: Prometheus dashboards: Head Block: Update graph panel description

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    Details

    • Type: Improvement
    • Status: Done
    • Priority: Low
    • Resolution: Done
    • Affects Version/s: 2.0.0
    • Fix Version/s: 2.2.0
    • Component/s: Grafana Dashboards
    • Labels:
      None
    • Story Points:
      1
    • Sprint:
      Platform Sprint 5
    • Needs Review:
      Yes
    • Needs QA:
      Yes
    • Needs Doc:
      Yes

      Description

      It is a simple task for PMM Contributions project.

      Many widgets do not have tooltips.
      I'll add a tooltip for one of the widgets to make an instruction for the community.

      Prometheus -> Head Block:

      The Head Block is kept in memory. Older blocks are accessed through mmap().
      This eliminates the need to configure cache separately, but also means you need to allocate
      plenty of memory for OS Cache if you want to query data older than fits in the Head Block.

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              Assignee:
              Unassigned
              Reporter:
              daniil.bazhenov Daniil Bazhenov
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                Resolved:

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