Skip to content

chore(clickhouse): add ttl only drop parts to tables #2371

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
jakubno merged 2 commits into from
Apr 21, 2026
Merged

chore(clickhouse): add ttl only drop parts to tables #2371

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
44f5738
chore(clickhouse): add ttl only drop parts to tables
jakubno Apr 13, 2026
c2b508c
chore(clickhouse): address PR feedback and rebase migration timestamp
jakubno Apr 21, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
17 changes: 17 additions & 0 deletions packages/clickhouse/migrations/20260417120000_ttl_only_drop_parts.sql
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,17 @@
-- +goose Up
-- Enable ttl_only_drop_parts on all local MergeTree tables.
-- Since all tables use PARTITION BY toDate(timestamp), TTL boundaries align
-- with part boundaries. This avoids expensive part rewrites during TTL
-- cleanup -- ClickHouse will drop entire parts instead.
ALTER TABLE sandbox_metrics_gauge_local MODIFY SETTING ttl_only_drop_parts = 1;
ALTER TABLE team_metrics_gauge_local MODIFY SETTING ttl_only_drop_parts = 1;
ALTER TABLE team_metrics_sum_local MODIFY SETTING ttl_only_drop_parts = 1;
ALTER TABLE sandbox_events_local MODIFY SETTING ttl_only_drop_parts = 1;
ALTER TABLE sandbox_host_stats_local MODIFY SETTING ttl_only_drop_parts = 1;

-- +goose Down
ALTER TABLE sandbox_metrics_gauge_local RESET SETTING ttl_only_drop_parts;
ALTER TABLE team_metrics_gauge_local RESET SETTING ttl_only_drop_parts;
ALTER TABLE team_metrics_sum_local RESET SETTING ttl_only_drop_parts;
ALTER TABLE sandbox_events_local RESET SETTING ttl_only_drop_parts;
ALTER TABLE sandbox_host_stats_local RESET SETTING ttl_only_drop_parts;
Loading