misc(events) - Setup more aggressive autovacuum_vacuum_scale_factor s…

…etting for events (getlago#2360) ## Description Default postgres autovacuum settings are a bit too defensive for our use-cases. We require frequent vacuuming of the events table, mostly to keep the visibility map of the events table up to date.
abdussamadbello · Aug 8, 2024 · 9658f28 · 9658f28
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diff --git a/db/migrate/20240801142242_alter_events_vacuum_settings.rb b/db/migrate/20240801142242_alter_events_vacuum_settings.rb
@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+class AlterEventsVacuumSettings < ActiveRecord::Migration[7.1]
+  def up
+    execute "ALTER TABLE events set (autovacuum_vacuum_scale_factor=0.005)"
+  end
+
+  def down
+    # revert to PG defaults
+    execute "ALTER TABLE events set (autovacuum_vacuum_scale_factor=0.1)"
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb