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Enable HOT updates on tables which meet criteria for them 

This reduces 3 IO's per update to 1 IO per update in a typical case.
This commit is contained in:
Mark Zealey 2022-07-08 10:20:14 +01:00
parent 22d49ad2fe
commit 02eab531d2
1 changed files with 14 additions and 0 deletions
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sql/pg.sql
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@ -451,3 +451,17 @@ CREATE TABLE mqtt_pub (
user_properties bytea NOT NULL,
expiry bigint NOT NULL
);
-- Enable HOT updates on tables which meet criteria for them. This reduces 3
-- IO's per update to 1 IO per update in a typical case.
ALTER TABLE archive_prefs SET (fillfactor = 90);
ALTER TABLE users SET (fillfactor = 90);
ALTER TABLE last SET (fillfactor = 90);
ALTER TABLE muc_room SET (fillfactor = 90);
ALTER TABLE muc_room_subscribers SET (fillfactor = 90);
ALTER TABLE pubsub_item SET (fillfactor = 90);
ALTER TABLE pubsub_node SET (fillfactor = 90);
ALTER TABLE pubsub_node_option SET (fillfactor = 90);
ALTER TABLE rosterusers SET (fillfactor = 90);
ALTER TABLE vcard SET (fillfactor = 90);
ALTER TABLE vcard_search SET (fillfactor = 90);