Clickhouse
Database performance engineering
Skills for profiling, maintenance, code review, and flaky issue cleanup.
Featured skills
review
Used to review a ClickHouse Pull Request for correctness, safety, performance, and compliance.
alloc-profile
Used to analyze a jemalloc (or other) allocation profile in collapsed stack format.
bisect
Bisect a ClickHouse regression using pre-built master binaries from CI.
clickhouse-pr-description
Used to generate PR descriptions for ClickHouse/ClickHouse that match maintainer expectations.
close-flaky-issues
Audit open "flaky test" GitHub issues and close those whose tests are no longer failing on master.
continue-pr
Continue work on an existing PR - resolve conflicts, fix CI failures, address reviewer feedback, and push updates.
cpu-profile
Profile a ClickHouse query using the sampling query profiler and system.trace_log.
create-worktree
Used to create a ClickHouse git worktree with submodules hardlinked from the main repo.
edit-changelog
Used to edit an auto-generated ClickHouse release changelog into the form that gets committed to CHANGELOG.md.
fix-sync
Used to fix the "CH Inc sync" job in a pull request.
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