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perf: add hive_notifs(dst_id, post_id, type_id) index (v27→v28) #371

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Merged
kuny0707 merged 1 commit into from
Jun 11, 2026
Merged

perf: add hive_notifs(dst_id, post_id, type_id) index (v27→v28) #371

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15 changes: 15 additions & 0 deletions hive/db/db_state.py
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Original file line number Diff line number Diff line change
Expand Up @@ -489,6 +489,21 @@ def _check_migrations(cls):
log.info("[HIVE] Slow query optimization indexes created")
cls._set_ver(27)

if cls._ver == 27:
# Performance: index for hive_notifs sync hot-path
# The indexer's notify-account-votes query (SELECT 1 FROM hive_notifs
# WHERE dst_id = :dst_id AND post_id = :post_id AND type_id = 16)
# was doing a full table scan (~2s per query on 97M rows), causing
# sync to stall. This index reduces it to <1ms.
log.info("[HIVE] Creating hive_notifs_dst_post_type_idx index...")
cls.db().query("""
CREATE INDEX CONCURRENTLY IF NOT EXISTS hive_notifs_dst_post_type_idx
ON hive_notifs (dst_id, post_id, type_id)
""")
cls.db().query("ANALYZE hive_notifs")
log.info("[HIVE] hive_notifs_dst_post_type_idx index created")
cls._set_ver(28)

reset_autovac(cls.db())

log.info("[HIVE] db version: %d", cls._ver)
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2 changes: 1 addition & 1 deletion hive/db/schema.py
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Expand Up @@ -10,7 +10,7 @@

#pylint: disable=line-too-long, too-many-lines, bad-whitespace

DB_VERSION = 27
DB_VERSION = 28

def build_metadata():
"""Build schema def with SqlAlchemy"""
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