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Merge branch 'develop' of github.com:matrix-org/synapse into erikj/split_stream_store

This commit is contained in:
Erik Johnston 2018-03-01 16:26:42 +00:00
parent 884b26ae41 22518e2833
commit 64346be26d
6 changed files with 221 additions and 225 deletions
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2
synapse/replication/slave/storage/events.py
View File

@ -53,8 +53,6 @@ class SlavedEventStore(RoomMemberWorkerStore, EventPushActionsWorkerStore,
super(SlavedEventStore, self).__init__(db_conn, hs)
self.stream_ordering_month_ago = 0
# Cached functions can't be accessed through a class instance so we need
# to reach inside the __dict__ to extract them.
get_latest_event_ids_in_room = EventFederationStore.__dict__[

21
synapse/replication/slave/storage/room.py
View File

@ -14,32 +14,19 @@
# limitations under the License.
from ._base import BaseSlavedStore
from synapse.storage import DataStore
from synapse.storage.room import RoomStore
from synapse.storage.room import RoomWorkerStore
from ._slaved_id_tracker import SlavedIdTracker
class RoomStore(BaseSlavedStore):
class RoomStore(RoomWorkerStore, BaseSlavedStore):
def __init__(self, db_conn, hs):
super(RoomStore, self).__init__(db_conn, hs)
self._public_room_id_gen = SlavedIdTracker(
db_conn, "public_room_list_stream", "stream_id"
)
get_public_room_ids = DataStore.get_public_room_ids.__func__
get_current_public_room_stream_id = (
DataStore.get_current_public_room_stream_id.__func__
)
get_public_room_ids_at_stream_id = (
RoomStore.__dict__["get_public_room_ids_at_stream_id"]
)
get_public_room_ids_at_stream_id_txn = (
DataStore.get_public_room_ids_at_stream_id_txn.__func__
)
get_published_at_stream_id_txn = (
DataStore.get_published_at_stream_id_txn.__func__
)
get_public_room_changes = DataStore.get_public_room_changes.__func__
def get_current_public_room_stream_id(self):
return self._public_room_id_gen.get_current_token()
def stream_positions(self):
result = super(RoomStore, self).stream_positions()

15
synapse/storage/__init__.py
View File

@ -20,7 +20,6 @@ from synapse.storage.devices import DeviceStore
from .appservice import (
ApplicationServiceStore, ApplicationServiceTransactionStore
)
from ._base import LoggingTransaction
from .directory import DirectoryStore
from .events import EventsStore
from .presence import PresenceStore, UserPresenceState
@ -213,20 +212,6 @@ class DataStore(RoomMemberStore, RoomStore,
prefilled_cache=_group_updates_prefill,
)
cur = LoggingTransaction(
db_conn.cursor(),
name="_find_stream_orderings_for_times_txn",
database_engine=self.database_engine,
after_callbacks=[],
final_callbacks=[],
)
self._find_stream_orderings_for_times_txn(cur)
cur.close()
self.find_stream_orderings_looping_call = self._clock.looping_call(
self._find_stream_orderings_for_times, 10 * 60 * 1000
)
self._stream_order_on_start = self.get_room_max_stream_ordering()
self._min_stream_order_on_start = self.get_room_min_stream_ordering()

149
synapse/storage/event_push_actions.py
View File

@ -14,7 +14,7 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from ._base import SQLBaseStore
from synapse.storage._base import SQLBaseStore, LoggingTransaction
from twisted.internet import defer
from synapse.util.async import sleep
from synapse.util.caches.descriptors import cachedInlineCallbacks
@ -64,6 +64,27 @@ def _deserialize_action(actions, is_highlight):
class EventPushActionsWorkerStore(SQLBaseStore):
def __init__(self, db_conn, hs):
super(EventPushActionsWorkerStore, self).__init__(db_conn, hs)
# These get correctly set by _find_stream_orderings_for_times_txn
self.stream_ordering_month_ago = None
self.stream_ordering_day_ago = None
cur = LoggingTransaction(
db_conn.cursor(),
name="_find_stream_orderings_for_times_txn",
database_engine=self.database_engine,
after_callbacks=[],
final_callbacks=[],
)
self._find_stream_orderings_for_times_txn(cur)
cur.close()
self.find_stream_orderings_looping_call = self._clock.looping_call(
self._find_stream_orderings_for_times, 10 * 60 * 1000
)
@cachedInlineCallbacks(num_args=3, tree=True, max_entries=5000)
def get_unread_event_push_actions_by_room_for_user(
self, room_id, user_id, last_read_event_id
@ -443,6 +464,69 @@ class EventPushActionsWorkerStore(SQLBaseStore):
desc="remove_push_actions_from_staging",
)
@defer.inlineCallbacks
def _find_stream_orderings_for_times(self):
yield self.runInteraction(
"_find_stream_orderings_for_times",
self._find_stream_orderings_for_times_txn
)
def _find_stream_orderings_for_times_txn(self, txn):
logger.info("Searching for stream ordering 1 month ago")
self.stream_ordering_month_ago = self._find_first_stream_ordering_after_ts_txn(
txn, self._clock.time_msec() - 30 * 24 * 60 * 60 * 1000
)
logger.info(
"Found stream ordering 1 month ago: it's %d",
self.stream_ordering_month_ago
)
logger.info("Searching for stream ordering 1 day ago")
self.stream_ordering_day_ago = self._find_first_stream_ordering_after_ts_txn(
txn, self._clock.time_msec() - 24 * 60 * 60 * 1000
)
logger.info(
"Found stream ordering 1 day ago: it's %d",
self.stream_ordering_day_ago
)
def _find_first_stream_ordering_after_ts_txn(self, txn, ts):
"""
Find the stream_ordering of the first event that was received after
a given timestamp. This is relatively slow as there is no index on
received_ts but we can then use this to delete push actions before
this.
received_ts must necessarily be in the same order as stream_ordering
and stream_ordering is indexed, so we manually binary search using
stream_ordering
"""
txn.execute("SELECT MAX(stream_ordering) FROM events")
max_stream_ordering = txn.fetchone()[0]
if max_stream_ordering is None:
return 0
range_start = 0
range_end = max_stream_ordering
sql = (
"SELECT received_ts FROM events"
" WHERE stream_ordering > ?"
" ORDER BY stream_ordering"
" LIMIT 1"
)
while range_end - range_start > 1:
middle = int((range_end + range_start) / 2)
txn.execute(sql, (middle,))
middle_ts = txn.fetchone()[0]
if ts > middle_ts:
range_start = middle
else:
range_end = middle
return range_end
class EventPushActionsStore(EventPushActionsWorkerStore):
EPA_HIGHLIGHT_INDEX = "epa_highlight_index"
@ -650,69 +734,6 @@ class EventPushActionsStore(EventPushActionsWorkerStore):
WHERE room_id = ? AND user_id = ? AND stream_ordering <= ?
""", (room_id, user_id, stream_ordering))
@defer.inlineCallbacks
def _find_stream_orderings_for_times(self):
yield self.runInteraction(
"_find_stream_orderings_for_times",
self._find_stream_orderings_for_times_txn
)
def _find_stream_orderings_for_times_txn(self, txn):
logger.info("Searching for stream ordering 1 month ago")
self.stream_ordering_month_ago = self._find_first_stream_ordering_after_ts_txn(
txn, self._clock.time_msec() - 30 * 24 * 60 * 60 * 1000
)
logger.info(
"Found stream ordering 1 month ago: it's %d",
self.stream_ordering_month_ago
)
logger.info("Searching for stream ordering 1 day ago")
self.stream_ordering_day_ago = self._find_first_stream_ordering_after_ts_txn(
txn, self._clock.time_msec() - 24 * 60 * 60 * 1000
)
logger.info(
"Found stream ordering 1 day ago: it's %d",
self.stream_ordering_day_ago
)
def _find_first_stream_ordering_after_ts_txn(self, txn, ts):
"""
Find the stream_ordering of the first event that was received after
a given timestamp. This is relatively slow as there is no index on
received_ts but we can then use this to delete push actions before
this.
received_ts must necessarily be in the same order as stream_ordering
and stream_ordering is indexed, so we manually binary search using
stream_ordering
"""
txn.execute("SELECT MAX(stream_ordering) FROM events")
max_stream_ordering = txn.fetchone()[0]
if max_stream_ordering is None:
return 0
range_start = 0
range_end = max_stream_ordering
sql = (
"SELECT received_ts FROM events"
" WHERE stream_ordering > ?"
" ORDER BY stream_ordering"
" LIMIT 1"
)
while range_end - range_start > 1:
middle = int((range_end + range_start) / 2)
txn.execute(sql, (middle,))
middle_ts = txn.fetchone()[0]
if ts > middle_ts:
range_start = middle
else:
range_end = middle
return range_end
@defer.inlineCallbacks
def _rotate_notifs(self):
if self._doing_notif_rotation or self.stream_ordering_day_ago is None:

239
synapse/storage/room.py
View File

@ -16,6 +16,7 @@
from twisted.internet import defer
from synapse.api.errors import StoreError
from synapse.storage._base import SQLBaseStore
from synapse.storage.search import SearchStore
from synapse.util.caches.descriptors import cached, cachedInlineCallbacks
@ -38,7 +39,126 @@ RatelimitOverride = collections.namedtuple(
)
class RoomStore(SearchStore):
class RoomWorkerStore(SQLBaseStore):
def get_public_room_ids(self):
return self._simple_select_onecol(
table="rooms",
keyvalues={
"is_public": True,
},
retcol="room_id",
desc="get_public_room_ids",
)
@cached(num_args=2, max_entries=100)
def get_public_room_ids_at_stream_id(self, stream_id, network_tuple):
"""Get pulbic rooms for a particular list, or across all lists.
Args:
stream_id (int)
network_tuple (ThirdPartyInstanceID): The list to use (None, None)
means the main list, None means all lsits.
"""
return self.runInteraction(
"get_public_room_ids_at_stream_id",
self.get_public_room_ids_at_stream_id_txn,
stream_id, network_tuple=network_tuple
)
def get_public_room_ids_at_stream_id_txn(self, txn, stream_id,
network_tuple):
return {
rm
for rm, vis in self.get_published_at_stream_id_txn(
txn, stream_id, network_tuple=network_tuple
).items()
if vis
}
def get_published_at_stream_id_txn(self, txn, stream_id, network_tuple):
if network_tuple:
# We want to get from a particular list. No aggregation required.
sql = ("""
SELECT room_id, visibility FROM public_room_list_stream
INNER JOIN (
SELECT room_id, max(stream_id) AS stream_id
FROM public_room_list_stream
WHERE stream_id <= ? %s
GROUP BY room_id
) grouped USING (room_id, stream_id)
""")
if network_tuple.appservice_id is not None:
txn.execute(
sql % ("AND appservice_id = ? AND network_id = ?",),
(stream_id, network_tuple.appservice_id, network_tuple.network_id,)
)
else:
txn.execute(
sql % ("AND appservice_id IS NULL",),
(stream_id,)
)
return dict(txn)
else:
# We want to get from all lists, so we need to aggregate the results
logger.info("Executing full list")
sql = ("""
SELECT room_id, visibility
FROM public_room_list_stream
INNER JOIN (
SELECT
room_id, max(stream_id) AS stream_id, appservice_id,
network_id
FROM public_room_list_stream
WHERE stream_id <= ?
GROUP BY room_id, appservice_id, network_id
) grouped USING (room_id, stream_id)
""")
txn.execute(
sql,
(stream_id,)
)
results = {}
# A room is visible if its visible on any list.
for room_id, visibility in txn:
results[room_id] = bool(visibility) or results.get(room_id, False)
return results
def get_public_room_changes(self, prev_stream_id, new_stream_id,
network_tuple):
def get_public_room_changes_txn(txn):
then_rooms = self.get_public_room_ids_at_stream_id_txn(
txn, prev_stream_id, network_tuple
)
now_rooms_dict = self.get_published_at_stream_id_txn(
txn, new_stream_id, network_tuple
)
now_rooms_visible = set(
rm for rm, vis in now_rooms_dict.items() if vis
)
now_rooms_not_visible = set(
rm for rm, vis in now_rooms_dict.items() if not vis
)
newly_visible = now_rooms_visible - then_rooms
newly_unpublished = now_rooms_not_visible & then_rooms
return newly_visible, newly_unpublished
return self.runInteraction(
"get_public_room_changes", get_public_room_changes_txn
)
class RoomStore(RoomWorkerStore, SearchStore):
@defer.inlineCallbacks
def store_room(self, room_id, room_creator_user_id, is_public):
@ -225,16 +345,6 @@ class RoomStore(SearchStore):
)
self.hs.get_notifier().on_new_replication_data()
def get_public_room_ids(self):
return self._simple_select_onecol(
table="rooms",
keyvalues={
"is_public": True,
},
retcol="room_id",
desc="get_public_room_ids",
)
def get_room_count(self):
"""Retrieve a list of all rooms
"""
@ -326,113 +436,6 @@ class RoomStore(SearchStore):
def get_current_public_room_stream_id(self):
return self._public_room_id_gen.get_current_token()
@cached(num_args=2, max_entries=100)
def get_public_room_ids_at_stream_id(self, stream_id, network_tuple):
"""Get pulbic rooms for a particular list, or across all lists.
Args:
stream_id (int)
network_tuple (ThirdPartyInstanceID): The list to use (None, None)
means the main list, None means all lsits.
"""
return self.runInteraction(
"get_public_room_ids_at_stream_id",
self.get_public_room_ids_at_stream_id_txn,
stream_id, network_tuple=network_tuple
)
def get_public_room_ids_at_stream_id_txn(self, txn, stream_id,
network_tuple):
return {
rm
for rm, vis in self.get_published_at_stream_id_txn(
txn, stream_id, network_tuple=network_tuple
).items()
if vis
}
def get_published_at_stream_id_txn(self, txn, stream_id, network_tuple):
if network_tuple:
# We want to get from a particular list. No aggregation required.
sql = ("""
SELECT room_id, visibility FROM public_room_list_stream
INNER JOIN (
SELECT room_id, max(stream_id) AS stream_id
FROM public_room_list_stream
WHERE stream_id <= ? %s
GROUP BY room_id
) grouped USING (room_id, stream_id)
""")
if network_tuple.appservice_id is not None:
txn.execute(
sql % ("AND appservice_id = ? AND network_id = ?",),
(stream_id, network_tuple.appservice_id, network_tuple.network_id,)
)
else:
txn.execute(
sql % ("AND appservice_id IS NULL",),
(stream_id,)
)
return dict(txn)
else:
# We want to get from all lists, so we need to aggregate the results
logger.info("Executing full list")
sql = ("""
SELECT room_id, visibility
FROM public_room_list_stream
INNER JOIN (
SELECT
room_id, max(stream_id) AS stream_id, appservice_id,
network_id
FROM public_room_list_stream
WHERE stream_id <= ?
GROUP BY room_id, appservice_id, network_id
) grouped USING (room_id, stream_id)
""")
txn.execute(
sql,
(stream_id,)
)
results = {}
# A room is visible if its visible on any list.
for room_id, visibility in txn:
results[room_id] = bool(visibility) or results.get(room_id, False)
return results
def get_public_room_changes(self, prev_stream_id, new_stream_id,
network_tuple):
def get_public_room_changes_txn(txn):
then_rooms = self.get_public_room_ids_at_stream_id_txn(
txn, prev_stream_id, network_tuple
)
now_rooms_dict = self.get_published_at_stream_id_txn(
txn, new_stream_id, network_tuple
)
now_rooms_visible = set(
rm for rm, vis in now_rooms_dict.items() if vis
)
now_rooms_not_visible = set(
rm for rm, vis in now_rooms_dict.items() if not vis
)
newly_visible = now_rooms_visible - then_rooms
newly_unpublished = now_rooms_not_visible & then_rooms
return newly_visible, newly_unpublished
return self.runInteraction(
"get_public_room_changes", get_public_room_changes_txn
)
def get_all_new_public_rooms(self, prev_id, current_id, limit):
def get_all_new_public_rooms(txn):
sql = ("""

20
synapse/util/logcontext.py
View File

@ -299,10 +299,6 @@ def preserve_fn(f):
Useful for wrapping functions that return a deferred which you don't yield
on.
"""
def reset_context(result):
LoggingContext.set_current_context(LoggingContext.sentinel)
return result
def g(*args, **kwargs):
current = LoggingContext.current_context()
res = f(*args, **kwargs)
@ -323,12 +319,11 @@ def preserve_fn(f):
# which is supposed to have a single entry and exit point. But
# by spawning off another deferred, we are effectively
# adding a new exit point.)
res.addBoth(reset_context)
res.addBoth(_set_context_cb, LoggingContext.sentinel)
return res
return g
@defer.inlineCallbacks
def make_deferred_yieldable(deferred):
"""Given a deferred, make it follow the Synapse logcontext rules:
@ -342,9 +337,16 @@ def make_deferred_yieldable(deferred):
(This is more-or-less the opposite operation to preserve_fn.)
"""
with PreserveLoggingContext():
r = yield deferred
defer.returnValue(r)
if isinstance(deferred, defer.Deferred) and not deferred.called:
prev_context = LoggingContext.set_current_context(LoggingContext.sentinel)
deferred.addBoth(_set_context_cb, prev_context)
return deferred
def _set_context_cb(result, context):
"""A callback function which just sets the logging context"""
LoggingContext.set_current_context(context)
return result
# modules to ignore in `logcontext_tracer`