Move client_ips's bg updates to a dedicated store

This commit is contained in:
Brendan Abolivier 2019-10-03 17:16:39 +01:00
parent 1992f21a9f
commit 88957199e7

View file

@ -33,14 +33,14 @@ logger = logging.getLogger(__name__)
LAST_SEEN_GRANULARITY = 120 * 1000 LAST_SEEN_GRANULARITY = 120 * 1000
class ClientIpStore(background_updates.BackgroundUpdateStore): class ClientIpBackgroundUpdateStore(background_updates.BackgroundUpdateStore):
def __init__(self, db_conn, hs): def __init__(self, db_conn, hs):
self.client_ip_last_seen = Cache( self.client_ip_last_seen = Cache(
name="client_ip_last_seen", keylen=4, max_entries=50000 * CACHE_SIZE_FACTOR name="client_ip_last_seen", keylen=4, max_entries=50000 * CACHE_SIZE_FACTOR
) )
super(ClientIpStore, self).__init__(db_conn, hs) super(ClientIpBackgroundUpdateStore, self).__init__(db_conn, hs)
self.user_ips_max_age = hs.config.user_ips_max_age self.user_ips_max_age = hs.config.user_ips_max_age
@ -92,19 +92,6 @@ class ClientIpStore(background_updates.BackgroundUpdateStore):
"devices_last_seen", self._devices_last_seen_update "devices_last_seen", self._devices_last_seen_update
) )
# (user_id, access_token, ip,) -> (user_agent, device_id, last_seen)
self._batch_row_update = {}
self._client_ip_looper = self._clock.looping_call(
self._update_client_ips_batch, 5 * 1000
)
self.hs.get_reactor().addSystemEventTrigger(
"before", "shutdown", self._update_client_ips_batch
)
if self.user_ips_max_age:
self._clock.looping_call(self._prune_old_user_ips, 5 * 1000)
@defer.inlineCallbacks @defer.inlineCallbacks
def _remove_user_ip_nonunique(self, progress, batch_size): def _remove_user_ip_nonunique(self, progress, batch_size):
def f(conn): def f(conn):
@ -303,6 +290,110 @@ class ClientIpStore(background_updates.BackgroundUpdateStore):
return batch_size return batch_size
@defer.inlineCallbacks
def _devices_last_seen_update(self, progress, batch_size):
"""Background update to insert last seen info into devices table
"""
last_user_id = progress.get("last_user_id", "")
last_device_id = progress.get("last_device_id", "")
def _devices_last_seen_update_txn(txn):
# This consists of two queries:
#
# 1. The sub-query searches for the next N devices and joins
# against user_ips to find the max last_seen associated with
# that device.
# 2. The outer query then joins again against user_ips on
# user/device/last_seen. This *should* hopefully only
# return one row, but if it does return more than one then
# we'll just end up updating the same device row multiple
# times, which is fine.
if self.database_engine.supports_tuple_comparison:
where_clause = "(user_id, device_id) > (?, ?)"
where_args = [last_user_id, last_device_id]
else:
# We explicitly do a `user_id >= ? AND (...)` here to ensure
# that an index is used, as doing `user_id > ? OR (user_id = ? AND ...)`
# makes it hard for query optimiser to tell that it can use the
# index on user_id
where_clause = "user_id >= ? AND (user_id > ? OR device_id > ?)"
where_args = [last_user_id, last_user_id, last_device_id]
sql = """
SELECT
last_seen, ip, user_agent, user_id, device_id
FROM (
SELECT
user_id, device_id, MAX(u.last_seen) AS last_seen
FROM devices
INNER JOIN user_ips AS u USING (user_id, device_id)
WHERE %(where_clause)s
GROUP BY user_id, device_id
ORDER BY user_id ASC, device_id ASC
LIMIT ?
) c
INNER JOIN user_ips AS u USING (user_id, device_id, last_seen)
""" % {
"where_clause": where_clause
}
txn.execute(sql, where_args + [batch_size])
rows = txn.fetchall()
if not rows:
return 0
sql = """
UPDATE devices
SET last_seen = ?, ip = ?, user_agent = ?
WHERE user_id = ? AND device_id = ?
"""
txn.execute_batch(sql, rows)
_, _, _, user_id, device_id = rows[-1]
self._background_update_progress_txn(
txn,
"devices_last_seen",
{"last_user_id": user_id, "last_device_id": device_id},
)
return len(rows)
updated = yield self.runInteraction(
"_devices_last_seen_update", _devices_last_seen_update_txn
)
if not updated:
yield self._end_background_update("devices_last_seen")
return updated
class ClientIpStore(ClientIpBackgroundUpdateStore):
def __init__(self, db_conn, hs):
self.client_ip_last_seen = Cache(
name="client_ip_last_seen", keylen=4, max_entries=50000 * CACHE_SIZE_FACTOR
)
super(ClientIpStore, self).__init__(db_conn, hs)
self.user_ips_max_age = hs.config.user_ips_max_age
# (user_id, access_token, ip,) -> (user_agent, device_id, last_seen)
self._batch_row_update = {}
self._client_ip_looper = self._clock.looping_call(
self._update_client_ips_batch, 5 * 1000
)
self.hs.get_reactor().addSystemEventTrigger(
"before", "shutdown", self._update_client_ips_batch
)
if self.user_ips_max_age:
self._clock.looping_call(self._prune_old_user_ips, 5 * 1000)
@defer.inlineCallbacks @defer.inlineCallbacks
def insert_client_ip( def insert_client_ip(
self, user_id, access_token, ip, user_agent, device_id, now=None self, user_id, access_token, ip, user_agent, device_id, now=None
@ -454,85 +545,6 @@ class ClientIpStore(background_updates.BackgroundUpdateStore):
for (access_token, ip), (user_agent, last_seen) in iteritems(results) for (access_token, ip), (user_agent, last_seen) in iteritems(results)
) )
@defer.inlineCallbacks
def _devices_last_seen_update(self, progress, batch_size):
"""Background update to insert last seen info into devices table
"""
last_user_id = progress.get("last_user_id", "")
last_device_id = progress.get("last_device_id", "")
def _devices_last_seen_update_txn(txn):
# This consists of two queries:
#
# 1. The sub-query searches for the next N devices and joins
# against user_ips to find the max last_seen associated with
# that device.
# 2. The outer query then joins again against user_ips on
# user/device/last_seen. This *should* hopefully only
# return one row, but if it does return more than one then
# we'll just end up updating the same device row multiple
# times, which is fine.
if self.database_engine.supports_tuple_comparison:
where_clause = "(user_id, device_id) > (?, ?)"
where_args = [last_user_id, last_device_id]
else:
# We explicitly do a `user_id >= ? AND (...)` here to ensure
# that an index is used, as doing `user_id > ? OR (user_id = ? AND ...)`
# makes it hard for query optimiser to tell that it can use the
# index on user_id
where_clause = "user_id >= ? AND (user_id > ? OR device_id > ?)"
where_args = [last_user_id, last_user_id, last_device_id]
sql = """
SELECT
last_seen, ip, user_agent, user_id, device_id
FROM (
SELECT
user_id, device_id, MAX(u.last_seen) AS last_seen
FROM devices
INNER JOIN user_ips AS u USING (user_id, device_id)
WHERE %(where_clause)s
GROUP BY user_id, device_id
ORDER BY user_id ASC, device_id ASC
LIMIT ?
) c
INNER JOIN user_ips AS u USING (user_id, device_id, last_seen)
""" % {
"where_clause": where_clause
}
txn.execute(sql, where_args + [batch_size])
rows = txn.fetchall()
if not rows:
return 0
sql = """
UPDATE devices
SET last_seen = ?, ip = ?, user_agent = ?
WHERE user_id = ? AND device_id = ?
"""
txn.execute_batch(sql, rows)
_, _, _, user_id, device_id = rows[-1]
self._background_update_progress_txn(
txn,
"devices_last_seen",
{"last_user_id": user_id, "last_device_id": device_id},
)
return len(rows)
updated = yield self.runInteraction(
"_devices_last_seen_update", _devices_last_seen_update_txn
)
if not updated:
yield self._end_background_update("devices_last_seen")
return updated
@wrap_as_background_process("prune_old_user_ips") @wrap_as_background_process("prune_old_user_ips")
async def _prune_old_user_ips(self): async def _prune_old_user_ips(self):
"""Removes entries in user IPs older than the configured period. """Removes entries in user IPs older than the configured period.