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Speed up purging rooms (#3381)

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Till 2024-09-10 20:43:50 +02:00 committed by GitHub
parent 7bbec19a6a
commit 3a2eadcc36
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2 changed files with 18 additions and 2 deletions
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10
roomserver/storage/postgres/purge_statements.go
View file

@ -41,6 +41,11 @@ const purgePreviousEventsSQL = "" +
" SELECT ARRAY_AGG(event_nid) FROM roomserver_events WHERE room_nid = $1" +
")"
// This removes the majority of prev events and is way faster than the above.
// The above query is still needed to delete the remaining prev events.
const purgePreviousEvents2SQL = "" +
"DELETE FROM roomserver_previous_events rpe WHERE EXISTS(SELECT event_id FROM roomserver_events re WHERE room_nid = $1 AND re.event_id = rpe.previous_event_id)"
const purgePublishedSQL = "" +
"DELETE FROM roomserver_published WHERE room_id = $1"
@ -69,6 +74,7 @@ type purgeStatements struct {
purgeInvitesStmt *sql.Stmt
purgeMembershipsStmt *sql.Stmt
purgePreviousEventsStmt *sql.Stmt
purgePreviousEvents2Stmt *sql.Stmt
purgePublishedStmt *sql.Stmt
purgeRedactionStmt *sql.Stmt
purgeRoomAliasesStmt *sql.Stmt
@ -87,6 +93,7 @@ func PreparePurgeStatements(db *sql.DB) (*purgeStatements, error) {
{&s.purgeMembershipsStmt, purgeMembershipsSQL},
{&s.purgePublishedStmt, purgePublishedSQL},
{&s.purgePreviousEventsStmt, purgePreviousEventsSQL},
{&s.purgePreviousEvents2Stmt, purgePreviousEvents2SQL},
{&s.purgeRedactionStmt, purgeRedactionsSQL},
{&s.purgeRoomAliasesStmt, purgeRoomAliasesSQL},
{&s.purgeRoomStmt, purgeRoomSQL},
@ -117,7 +124,8 @@ func (s *purgeStatements) PurgeRoom(
s.purgeStateSnapshotEntriesStmt,
s.purgeInvitesStmt,
s.purgeMembershipsStmt,
s.purgePreviousEventsStmt,
s.purgePreviousEvents2Stmt, // Fast purge the majority of events
s.purgePreviousEventsStmt, // Slow purge the remaining events
s.purgeEventJSONStmt,
s.purgeRedactionStmt,
s.purgeEventsStmt,

10
roomserver/storage/sqlite3/purge_statements.go
View file

@ -41,6 +41,11 @@ const purgePreviousEventsSQL = "" +
" SELECT event_nid FROM roomserver_events WHERE room_nid = $1" +
")"
// This removes the majority of prev events and is way faster than the above.
// The above query is still needed to delete the remaining prev events.
const purgePreviousEvents2SQL = "" +
"DELETE FROM roomserver_previous_events AS rpe WHERE EXISTS(SELECT event_id FROM roomserver_events AS re WHERE room_nid = $1 AND re.event_id = rpe.previous_event_id)"
const purgePublishedSQL = "" +
"DELETE FROM roomserver_published WHERE room_id = $1"
@ -64,6 +69,7 @@ type purgeStatements struct {
purgeInvitesStmt *sql.Stmt
purgeMembershipsStmt *sql.Stmt
purgePreviousEventsStmt *sql.Stmt
purgePreviousEvents2Stmt *sql.Stmt
purgePublishedStmt *sql.Stmt
purgeRedactionStmt *sql.Stmt
purgeRoomAliasesStmt *sql.Stmt
@ -81,6 +87,7 @@ func PreparePurgeStatements(db *sql.DB, stateSnapshot *stateSnapshotStatements)
{&s.purgeMembershipsStmt, purgeMembershipsSQL},
{&s.purgePublishedStmt, purgePublishedSQL},
{&s.purgePreviousEventsStmt, purgePreviousEventsSQL},
{&s.purgePreviousEvents2Stmt, purgePreviousEvents2SQL},
{&s.purgeRedactionStmt, purgeRedactionsSQL},
{&s.purgeRoomAliasesStmt, purgeRoomAliasesSQL},
{&s.purgeRoomStmt, purgeRoomSQL},
@ -114,7 +121,8 @@ func (s *purgeStatements) PurgeRoom(
s.purgeStateSnapshotEntriesStmt,
s.purgeInvitesStmt,
s.purgeMembershipsStmt,
s.purgePreviousEventsStmt,
s.purgePreviousEvents2Stmt, // Fast purge the majority of events
s.purgePreviousEventsStmt, // Slow purge the remaining events
s.purgeEventJSONStmt,
s.purgeRedactionStmt,
s.purgeEventsStmt,