cockroachdb / cockroachdb/cockroach
Surface a plan regression insight
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C-enhancement
T-observability
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Description
It's difficult for users to detect whether intermittent query performance issues are due to plan regressions. This issue tracks surfacing plan regression insight that enables developers and operators to quickly determine slow query performance due to a poorly selected plan, detect that the plan had actually regressed, and inform user on the reasons (and mitigation steps) for why the plan regressed.
Jira issue: CRDB-30999
Epic CC-28354
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This issue has not been assessed yet.