Databases · Failing and flaky tests

Evaluate ClickHouse performance test results from existing CI/dashboard data or local perf.py runs.

ClickHouse/ClickHouse

Investigates TiDB plan or test-result diffs that the change does not explain, ruling out failpoint setup and merge effects before expected outputs are updated.

pingcap/tidb

Build, compile, run server/client/cluster, execute unit/stateless/SQL tests, verify results, and troubleshoot build/test failures.

timeplus-io/proton

Update ALLOWEDKEYWORDALIASES in ClickHouseSqlUtils.java and ENGINETOTABLETYPE in DatabaseMetaDataImpl.java from failing test output.

ClickHouse/clickhouse-java

Writes and runs marchat tests with race detection, coverage, and dialect smoke patterns.

Cod-e-Codes/marchat

Continue work on an existing PR - resolve conflicts, fix CI failures, address reviewer feedback, and push updates.

ClickHouse/ClickHouse

Audit open "flaky test" GitHub issues and close those whose tests are no longer failing on master.

ClickHouse/ClickHouse

Analyze CI performance comparison reports for a ClickHouse PR.

ClickHouse/ClickHouse

Investigate a ClickHouse CI failure end-to-end from a PR or S3 report URL.

ClickHouse/ClickHouse

Converts engineering analytics (PR / CI) data into saved PostHog insights, dashboards, and subscriptions, and explains how to query the product data directly with SQL.

PostHog/posthog