Add Query Store performance diagnostics - #5723

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Mikael Weaver (mikaelweave) wants to merge 21 commits into

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personal/mikaelw/query-store-performance-diagnostics

Commits on Aug 13, 2026

Document Query Store diagnostics baseline

Mikael Weaver (mikaelweave)
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c253f49
Clarify diagnostics repository ownership

Mikael Weaver (mikaelweave)
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629275c
Implement Query Store performance diagnostics
Mikael Weaver (mikaelweave)
committed
24bc357
Fix integration test trait placement
Mikael Weaver (mikaelweave)
committed
6c0bc27
Fix plan diagnostics migration syntax
Mikael Weaver (mikaelweave)
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45ddaa9

Commits on Aug 14, 2026

Commits on Aug 18, 2026

Clarify Query Store diagnostic SQL
Mikael Weaver (mikaelweave)
committed
94c8ea0

Commits on Aug 21, 2026

Redesign Query Store diagnostics as an opt-in push-based watchdog

Mikael Weaver (mikaelweave)
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5b883be
Address PR review findings for Query Store diagnostics watchdog

Mikael Weaver (mikaelweave)
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Copilot
committed
745675d
Correct diagnostics claims and cover the wait-failure path

Mikael Weaver (mikaelweave)
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committed
7c5a0a1

Commits on Aug 22, 2026

Commits on Aug 25, 2026

Rewrite ADR-2608 in plainer prose

Mikael Weaver (mikaelweave)
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9c56649
Document why statistics health reporting is capped

Mikael Weaver (mikaelweave)
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e5c9cbd
Emit query store diagnostics as structured logs instead of metrics

Mikael Weaver (mikaelweave)
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53efdcb

Commits on Aug 26, 2026

Commits on Aug 27, 2026

refactor: revert WatchdogLease constraint, keep configuration authoritative

Mikael Weaver (mikaelweave)
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1ae6d8d