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dashboard: add section with failover coordinator [WIP]#248

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patapenka-alexey merged 1 commit intotarantool:masterfrom
mandesero:mandesero/coordinator-monitoring
Feb 18, 2026
Merged

dashboard: add section with failover coordinator [WIP]#248
patapenka-alexey merged 1 commit intotarantool:masterfrom
mandesero:mandesero/coordinator-monitoring

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This patch introduces a new section displaying failover coordinator metrics. It includes panels for coordinator status (active/passive), and instances visible to each coordinator.

Need for #TNTP-197

Closes #247

If this pull request introduces support for new metrics, do not forget to

  • add Grafana panel;
  • run make update-tests to build new dashboard artifacts;
  • add example application code to generate non-null metrics;
  • attach a screenshot of a new panel to the PR description;
  • add new Telegraf tag key, if relevant,
    • to all telegraf.conf files,
    • to "Grafana dashboard" documentation page;
  • add alert example, if relevant,
    • to alerts.yml,
    • to "Alerting" documentation page;
  • update supported_metrics.md.

In any case, do not forget to

  • link an issue;
  • add a CHANGELOG entry;
  • update documentation guidelines;
  • update README guidelines.

@mandesero mandesero force-pushed the mandesero/coordinator-monitoring branch from 3e6e790 to c861e56 Compare December 9, 2025 12:20
@mandesero mandesero marked this pull request as ready for review January 12, 2026 12:44
Comment thread dashboard/panels/cluster.libsonnet Outdated
Comment thread dashboard/section.libsonnet Outdated
Comment thread doc/monitoring/images/failover_coordinator_section.png
@mandesero mandesero force-pushed the mandesero/coordinator-monitoring branch from c861e56 to faf5edb Compare February 17, 2026 17:14
@AlexandrLitkevich AlexandrLitkevich self-requested a review February 18, 2026 07:10
This patch introduces a new section displaying failover coordinator
metrics. It includes panels for coordinator status (active/passive),
and instances visible to each coordinator.

Need for #TNTP-197

Closes tarantool#247
@mandesero mandesero force-pushed the mandesero/coordinator-monitoring branch from faf5edb to cbb8e05 Compare February 18, 2026 07:13
@mandesero
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@patapenka-alexey patapenka-alexey left a comment

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Thank you for the patch!

@patapenka-alexey patapenka-alexey merged commit c6fb9f4 into tarantool:master Feb 18, 2026
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Support for monitoring the failover coordinator

3 participants