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Merge pull request #1864 from matrix-org/erikj/device_list_fixes

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Fix clearing out old device list outbound pokes
This commit is contained in:
Erik Johnston 2017-01-31 13:35:35 +00:00 committed by GitHub
commit ac001dabdc
1 changed files with 26 additions and 8 deletions
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34
synapse/storage/devices.py
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@ -436,15 +436,27 @@ class DeviceStore(SQLBaseStore):
)
def _mark_as_sent_devices_by_remote_txn(self, txn, destination, stream_id):
# First we DELETE all rows such that only the latest row for each
# (destination, user_id is left. We do this by selecting first and
# deleting.
sql = """
SELECT user_id, coalesce(max(stream_id), 0) FROM device_lists_outbound_pokes
WHERE destination = ? AND stream_id <= ?
GROUP BY user_id
HAVING count(*) > 1
"""
txn.execute(sql, (destination, stream_id,))
rows = txn.fetchall()
sql = """
DELETE FROM device_lists_outbound_pokes
WHERE destination = ? AND stream_id < (
SELECT coalesce(max(stream_id), 0) FROM device_lists_outbound_pokes
WHERE destination = ? AND stream_id <= ?
)
WHERE destination = ? AND user_id = ? AND stream_id < ?
"""
txn.execute(sql, (destination, destination, stream_id,))
txn.executemany(
sql, ((destination, row[0], row[1],) for row in rows)
)
# Mark everything that is left as sent
sql = """
UPDATE device_lists_outbound_pokes SET sent = ?
WHERE destination = ? AND stream_id <= ?
@ -545,18 +557,22 @@ class DeviceStore(SQLBaseStore):
(destination, user_id) tuple to ensure that the prev_ids remain correct
if the server does come back.
"""
now = self._clock.time_msec()
yesterday = self._clock.time_msec() - 24 * 60 * 60 * 1000
def _prune_txn(txn):
select_sql = """
SELECT destination, user_id, max(stream_id) as stream_id
FROM device_lists_outbound_pokes
GROUP BY destination, user_id
HAVING min(ts) < ? AND count(*) > 1
"""
txn.execute(select_sql)
txn.execute(select_sql, (yesterday,))
rows = txn.fetchall()
if not rows:
return
delete_sql = """
DELETE FROM device_lists_outbound_pokes
WHERE ts < ? AND destination = ? AND user_id = ? AND stream_id < ?
@ -565,11 +581,13 @@ class DeviceStore(SQLBaseStore):
txn.executemany(
delete_sql,
(
(now, row["destination"], row["user_id"], row["stream_id"])
(yesterday, row[0], row[1], row[2])
for row in rows
)
)
logger.info("Pruned %d device list outbound pokes", txn.rowcount)
return self.runInteraction(
"_prune_old_outbound_device_pokes", _prune_txn
)