Merge pull request #1954 from matrix-org/erikj/cache_device2

Cache get_user_devices_from_cache
This commit is contained in:
Erik Johnston 2017-02-27 16:36:40 +00:00 committed by GitHub
commit fc5d876dba
1 changed files with 73 additions and 45 deletions

View File

@ -19,6 +19,8 @@ from twisted.internet import defer
from synapse.api.errors import StoreError
from ._base import SQLBaseStore
from synapse.util.caches.descriptors import cached, cachedList, cachedInlineCallbacks
logger = logging.getLogger(__name__)
@ -144,6 +146,7 @@ class DeviceStore(SQLBaseStore):
defer.returnValue({d["device_id"]: d for d in devices})
@cached(max_entries=10000)
def get_device_list_last_stream_id_for_remote(self, user_id):
"""Get the last stream_id we got for a user. May be None if we haven't
got any information for them.
@ -156,16 +159,36 @@ class DeviceStore(SQLBaseStore):
allow_none=True,
)
@cachedList(cached_method_name="get_device_list_last_stream_id_for_remote",
list_name="user_ids", inlineCallbacks=True)
def get_device_list_last_stream_id_for_remotes(self, user_ids):
rows = yield self._simple_select_many_batch(
table="device_lists_remote_extremeties",
column="user_id",
iterable=user_ids,
retcols=("user_id", "stream_id",),
desc="get_user_devices_from_cache",
)
results = {user_id: None for user_id in user_ids}
results.update({
row["user_id"]: row["stream_id"] for row in rows
})
defer.returnValue(results)
@defer.inlineCallbacks
def mark_remote_user_device_list_as_unsubscribed(self, user_id):
"""Mark that we no longer track device lists for remote user.
"""
return self._simple_delete(
yield self._simple_delete(
table="device_lists_remote_extremeties",
keyvalues={
"user_id": user_id,
},
desc="mark_remote_user_device_list_as_unsubscribed",
)
self.get_device_list_last_stream_id_for_remote.invalidate((user_id,))
def update_remote_device_list_cache_entry(self, user_id, device_id, content,
stream_id):
@ -191,6 +214,12 @@ class DeviceStore(SQLBaseStore):
}
)
txn.call_after(self._get_cached_user_device.invalidate, (user_id, device_id,))
txn.call_after(self._get_cached_devices_for_user.invalidate, (user_id,))
txn.call_after(
self.get_device_list_last_stream_id_for_remote.invalidate, (user_id,)
)
self._simple_upsert_txn(
txn,
table="device_lists_remote_extremeties",
@ -234,6 +263,12 @@ class DeviceStore(SQLBaseStore):
]
)
txn.call_after(self._get_cached_devices_for_user.invalidate, (user_id,))
txn.call_after(self._get_cached_user_device.invalidate_many, (user_id,))
txn.call_after(
self.get_device_list_last_stream_id_for_remote.invalidate, (user_id,)
)
self._simple_upsert_txn(
txn,
table="device_lists_remote_extremeties",
@ -320,6 +355,7 @@ class DeviceStore(SQLBaseStore):
return (now_stream_id, results)
@defer.inlineCallbacks
def get_user_devices_from_cache(self, query_list):
"""Get the devices (and keys if any) for remote users from the cache.
@ -332,27 +368,11 @@ class DeviceStore(SQLBaseStore):
a set of user_ids and results_map is a mapping of
user_id -> device_id -> device_info
"""
return self.runInteraction(
"get_user_devices_from_cache", self._get_user_devices_from_cache_txn,
query_list,
user_ids = set(user_id for user_id, _ in query_list)
user_map = yield self.get_device_list_last_stream_id_for_remotes(list(user_ids))
user_ids_in_cache = set(
user_id for user_id, stream_id in user_map.items() if stream_id
)
def _get_user_devices_from_cache_txn(self, txn, query_list):
user_ids = {user_id for user_id, _ in query_list}
user_ids_in_cache = set()
for user_id in user_ids:
stream_ids = self._simple_select_onecol_txn(
txn,
table="device_lists_remote_extremeties",
keyvalues={
"user_id": user_id,
},
retcol="stream_id",
)
if stream_ids:
user_ids_in_cache.add(user_id)
user_ids_not_in_cache = user_ids - user_ids_in_cache
results = {}
@ -361,32 +381,40 @@ class DeviceStore(SQLBaseStore):
continue
if device_id:
content = self._simple_select_one_onecol_txn(
txn,
table="device_lists_remote_cache",
keyvalues={
"user_id": user_id,
"device_id": device_id,
},
retcol="content",
)
results.setdefault(user_id, {})[device_id] = json.loads(content)
device = yield self._get_cached_user_device(user_id, device_id)
results.setdefault(user_id, {})[device_id] = device
else:
devices = self._simple_select_list_txn(
txn,
table="device_lists_remote_cache",
keyvalues={
"user_id": user_id,
},
retcols=("device_id", "content"),
)
results[user_id] = {
device["device_id"]: json.loads(device["content"])
for device in devices
}
user_ids_in_cache.discard(user_id)
results[user_id] = yield self._get_cached_devices_for_user(user_id)
return user_ids_not_in_cache, results
defer.returnValue((user_ids_not_in_cache, results))
@cachedInlineCallbacks(num_args=2, tree=True)
def _get_cached_user_device(self, user_id, device_id):
content = yield self._simple_select_one_onecol(
table="device_lists_remote_cache",
keyvalues={
"user_id": user_id,
"device_id": device_id,
},
retcol="content",
desc="_get_cached_user_device",
)
defer.returnValue(json.loads(content))
@cachedInlineCallbacks()
def _get_cached_devices_for_user(self, user_id):
devices = yield self._simple_select_list(
table="device_lists_remote_cache",
keyvalues={
"user_id": user_id,
},
retcols=("device_id", "content"),
desc="_get_cached_devices_for_user",
)
defer.returnValue({
device["device_id"]: json.loads(device["content"])
for device in devices
})
def get_devices_with_keys_by_user(self, user_id):
"""Get all devices (with any device keys) for a user