diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py
index 3d895da43c..a0333d5309 100644
--- a/synapse/storage/_base.py
+++ b/synapse/storage/_base.py
@@ -30,6 +30,7 @@ from synapse.api.errors import StoreError
from synapse.metrics.background_process_metrics import run_as_background_process
from synapse.storage.engines import PostgresEngine, Sqlite3Engine
from synapse.types import get_domain_from_id
+from synapse.util import batch_iter
from synapse.util.caches.descriptors import Cache
from synapse.util.logcontext import LoggingContext, PreserveLoggingContext
from synapse.util.stringutils import exception_to_unicode
@@ -1327,10 +1328,16 @@ class SQLBaseStore(object):
"""
txn.call_after(self._invalidate_state_caches, room_id, members_changed)
- keys = itertools.chain([room_id], members_changed)
- self._send_invalidation_to_replication(
- txn, _CURRENT_STATE_CACHE_NAME, keys,
- )
+ # We need to be careful that the size of the `members_changed` list
+ # isn't so large that it causes problems sending over replication, so we
+ # send them in chunks.
+ # Max line length is 16K, and max user ID length is 255, so 50 should
+ # be safe.
+ for chunk in batch_iter(members_changed, 50):
+ keys = itertools.chain([room_id], chunk)
+ self._send_invalidation_to_replication(
+ txn, _CURRENT_STATE_CACHE_NAME, keys,
+ )
def _invalidate_state_caches(self, room_id, members_changed):
"""Invalidates caches that are based on the current state, but does
@@ -1342,15 +1349,43 @@ class SQLBaseStore(object):
changed
"""
for member in members_changed:
- self.get_rooms_for_user_with_stream_ordering.invalidate((member,))
+ self._attempt_to_invalidate_cache(
+ "get_rooms_for_user_with_stream_ordering", (member,),
+ )
for host in set(get_domain_from_id(u) for u in members_changed):
- self.is_host_joined.invalidate((room_id, host))
- self.was_host_joined.invalidate((room_id, host))
+ self._attempt_to_invalidate_cache(
+ "is_host_joined", (room_id, host,),
+ )
+ self._attempt_to_invalidate_cache(
+ "was_host_joined", (room_id, host,),
+ )
+
+ self._attempt_to_invalidate_cache(
+ "get_users_in_room", (room_id,),
+ )
+ self._attempt_to_invalidate_cache(
+ "get_room_summary", (room_id,),
+ )
+ self._attempt_to_invalidate_cache(
+ "get_current_state_ids", (room_id,),
+ )
+
+ def _attempt_to_invalidate_cache(self, cache_name, key):
+ """Attempts to invalidate the cache of the given name, ignoring if the
+ cache doesn't exist. Mainly used for invalidating caches on workers,
+ where they may not have the cache.
- self.get_users_in_room.invalidate((room_id,))
- self.get_room_summary.invalidate((room_id,))
- self.get_current_state_ids.invalidate((room_id,))
+ Args:
+ cache_name (str)
+ key (tuple)
+ """
+ try:
+ getattr(self, cache_name).invalidate(key)
+ except AttributeError:
+ # We probably haven't pulled in the cache in this worker,
+ # which is fine.
+ pass
def _send_invalidation_to_replication(self, txn, cache_name, keys):
"""Notifies replication that given cache has been invalidated.
@@ -1568,6 +1603,14 @@ class SQLBaseStore(object):
return cls.cursor_to_dict(txn)
+ @property
+ def database_engine_name(self):
+ return self.database_engine.module.__name__
+
+ def get_server_version(self):
+ """Returns a string describing the server version number"""
+ return self.database_engine.server_version
+
class _RollbackButIsFineException(Exception):
""" This exception is used to rollback a transaction without implying
diff --git a/synapse/storage/engines/postgres.py b/synapse/storage/engines/postgres.py
index 4004427c7b..dc3238501c 100644
--- a/synapse/storage/engines/postgres.py
+++ b/synapse/storage/engines/postgres.py
@@ -23,6 +23,7 @@ class PostgresEngine(object):
self.module = database_module
self.module.extensions.register_type(self.module.extensions.UNICODE)
self.synchronous_commit = database_config.get("synchronous_commit", True)
+ self._version = None # unknown as yet
def check_database(self, txn):
txn.execute("SHOW SERVER_ENCODING")
@@ -87,3 +88,27 @@ class PostgresEngine(object):
"""
txn.execute("SELECT nextval('state_group_id_seq')")
return txn.fetchone()[0]
+
+ @property
+ def server_version(self):
+ """Returns a string giving the server version. For example: '8.1.5'
+
+ Returns:
+ string
+ """
+ # note that this is a bit of a hack because it relies on on_new_connection
+ # having been called at least once. Still, that should be a safe bet here.
+ numver = self._version
+ assert numver is not None
+
+ # https://www.postgresql.org/docs/current/libpq-status.html#LIBPQ-PQSERVERVERSION
+ if numver >= 100000:
+ return "%i.%i" % (
+ numver / 10000, numver % 10000,
+ )
+ else:
+ return "%i.%i.%i" % (
+ numver / 10000,
+ (numver % 10000) / 100,
+ numver % 100,
+ )
diff --git a/synapse/storage/engines/sqlite.py b/synapse/storage/engines/sqlite.py
index 059ab81055..1bcd5b99a4 100644
--- a/synapse/storage/engines/sqlite.py
+++ b/synapse/storage/engines/sqlite.py
@@ -70,6 +70,15 @@ class Sqlite3Engine(object):
self._current_state_group_id += 1
return self._current_state_group_id
+ @property
+ def server_version(self):
+ """Gets a string giving the server version. For example: '3.22.0'
+
+ Returns:
+ string
+ """
+ return "%i.%i.%i" % self.module.sqlite_version_info
+
# Following functions taken from: https://github.com/coleifer/peewee
diff --git a/synapse/storage/registration.py b/synapse/storage/registration.py
index 9b9572890b..9b6c28892c 100644
--- a/synapse/storage/registration.py
+++ b/synapse/storage/registration.py
@@ -295,6 +295,39 @@ class RegistrationWorkerStore(SQLBaseStore):
return ret['user_id']
return None
+ @defer.inlineCallbacks
+ def user_add_threepid(self, user_id, medium, address, validated_at, added_at):
+ yield self._simple_upsert("user_threepids", {
+ "medium": medium,
+ "address": address,
+ }, {
+ "user_id": user_id,
+ "validated_at": validated_at,
+ "added_at": added_at,
+ })
+
+ @defer.inlineCallbacks
+ def user_get_threepids(self, user_id):
+ ret = yield self._simple_select_list(
+ "user_threepids", {
+ "user_id": user_id
+ },
+ ['medium', 'address', 'validated_at', 'added_at'],
+ 'user_get_threepids'
+ )
+ defer.returnValue(ret)
+
+ def user_delete_threepid(self, user_id, medium, address):
+ return self._simple_delete(
+ "user_threepids",
+ keyvalues={
+ "user_id": user_id,
+ "medium": medium,
+ "address": address,
+ },
+ desc="user_delete_threepids",
+ )
+
class RegistrationStore(RegistrationWorkerStore,
background_updates.BackgroundUpdateStore):
@@ -633,39 +666,6 @@ class RegistrationStore(RegistrationWorkerStore,
defer.returnValue(res if res else False)
@defer.inlineCallbacks
- def user_add_threepid(self, user_id, medium, address, validated_at, added_at):
- yield self._simple_upsert("user_threepids", {
- "medium": medium,
- "address": address,
- }, {
- "user_id": user_id,
- "validated_at": validated_at,
- "added_at": added_at,
- })
-
- @defer.inlineCallbacks
- def user_get_threepids(self, user_id):
- ret = yield self._simple_select_list(
- "user_threepids", {
- "user_id": user_id
- },
- ['medium', 'address', 'validated_at', 'added_at'],
- 'user_get_threepids'
- )
- defer.returnValue(ret)
-
- def user_delete_threepid(self, user_id, medium, address):
- return self._simple_delete(
- "user_threepids",
- keyvalues={
- "user_id": user_id,
- "medium": medium,
- "address": address,
- },
- desc="user_delete_threepids",
- )
-
- @defer.inlineCallbacks
def save_or_get_3pid_guest_access_token(
self, medium, address, access_token, inviter_user_id
):
|