From: alex <alex@pdp7.net>
Date: Tue, 23 Jan 2024 21:38:36 +0000 (+0100)
Subject: Add clickhouse_maintenance
X-Git-Tag: 20240214-emacs~33
X-Git-Url: https://xn--ix-yja.es/gitweb/?a=commitdiff_plain;h=71cc54e1abe890f8b57886d84dcc03f30289e53b;p=alex.git

Add clickhouse_maintenance
---

diff --git a/personal_infra/clickhouse_maintenance.md b/personal_infra/clickhouse_maintenance.md
new file mode 100644
index 0000000..e8d3e71
--- /dev/null
+++ b/personal_infra/clickhouse_maintenance.md
@@ -0,0 +1,15 @@
+```
+$ ssh clickhouse...
+$ clickhouse-client
+$ use system;
+$ SELECT
+    table,
+    formatReadableSize(sum(bytes)) AS size,
+    min(min_date) AS min_date,
+    max(max_date) AS max_date
+FROM system.parts
+WHERE active
+GROUP BY table
+ORDER BY sum(bytes) ASC
+$ truncate table ...
+```