From 7e15410f0269aaea204b59fb3f7891e2437331ec Mon Sep 17 00:00:00 2001 From: Richard van der Hoff Date: Thu, 31 May 2018 18:17:11 +0100 Subject: [PATCH 1/4] Enforce the specified API for report_event as per https://matrix.org/docs/spec/client_server/unstable.html#post-matrix-client-r0-rooms-roomid-report-eventid --- synapse/rest/client/v2_alpha/report_event.py | 25 ++++++++++++++++++-- 1 file changed, 23 insertions(+), 2 deletions(-) diff --git a/synapse/rest/client/v2_alpha/report_event.py b/synapse/rest/client/v2_alpha/report_event.py index 8903e12405..8a38be6482 100644 --- a/synapse/rest/client/v2_alpha/report_event.py +++ b/synapse/rest/client/v2_alpha/report_event.py @@ -13,9 +13,16 @@ # See the License for the specific language governing permissions and # limitations under the License. +from six import string_types +from six.moves import http_client + from twisted.internet import defer -from synapse.http.servlet import RestServlet, parse_json_object_from_request +from synapse.api.errors import SynapseError, Codes +from synapse.http.servlet import ( + RestServlet, parse_json_object_from_request, + assert_params_in_request, +) from ._base import client_v2_patterns import logging @@ -42,12 +49,26 @@ class ReportEventRestServlet(RestServlet): user_id = requester.user.to_string() body = parse_json_object_from_request(request) + assert_params_in_request(body, ("reason", "score")) + + if not isinstance(body["reason"], string_types): + raise SynapseError( + http_client.BAD_REQUEST, + "Param 'reason' must be a string", + Codes.BAD_JSON, + ) + if not isinstance(body["score"], int): + raise SynapseError( + http_client.BAD_REQUEST, + "Param 'score' must be an integer", + Codes.BAD_JSON, + ) yield self.store.add_event_report( room_id=room_id, event_id=event_id, user_id=user_id, - reason=body.get("reason"), + reason=body["reason"], content=body, received_ts=self.clock.time_msec(), ) From c969754a91a368fc4fd164d717b3913c77a2f275 Mon Sep 17 00:00:00 2001 From: Richard van der Hoff Date: Thu, 12 Jul 2018 10:00:57 +0100 Subject: [PATCH 2/4] changelog --- changelog.d/3316.feature | 1 + 1 file changed, 1 insertion(+) create mode 100644 changelog.d/3316.feature diff --git a/changelog.d/3316.feature b/changelog.d/3316.feature new file mode 100644 index 0000000000..50068b7222 --- /dev/null +++ b/changelog.d/3316.feature @@ -0,0 +1 @@ +Enforce the specified API for report_event From fa5c2bc082185580e7d65a8759a8b5213933a137 Mon Sep 17 00:00:00 2001 From: Richard van der Hoff Date: Thu, 12 Jul 2018 11:37:44 +0100 Subject: [PATCH 3/4] Reduce set building in get_entities_changed This line shows up as about 5% of cpu time on a synchrotron: not_known_entities = set(entities) - set(self._entity_to_key) Presumably the problem here is that _entity_to_key can be largeish, and building a set for its keys every time this function is called is slow. Here we rewrite the logic to avoid building so many sets. --- synapse/util/caches/stream_change_cache.py | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/synapse/util/caches/stream_change_cache.py b/synapse/util/caches/stream_change_cache.py index 8637867c6d..a1f8ff8f10 100644 --- a/synapse/util/caches/stream_change_cache.py +++ b/synapse/util/caches/stream_change_cache.py @@ -74,14 +74,18 @@ class StreamChangeCache(object): assert type(stream_pos) is int if stream_pos >= self._earliest_known_stream_pos: - not_known_entities = set(entities) - set(self._entity_to_key) + changed_entities = { + self._cache[k] for k in self._cache.islice( + start=self._cache.bisect_right(stream_pos), + ) + } - result = ( - {self._cache[k] for k in self._cache.islice( - start=self._cache.bisect_right(stream_pos))} - .intersection(entities) - .union(not_known_entities) - ) + # we need to include entities which we don't know about, as well as + # those which are known to have changed since the stream pos. + result = { + e for e in entities + if e in changed_entities or e not in self._entity_to_key + } self.metrics.inc_hits() else: From 38c5fa7ee410a5415c72054d8dfd6d10165af50a Mon Sep 17 00:00:00 2001 From: Richard van der Hoff Date: Thu, 12 Jul 2018 11:45:28 +0100 Subject: [PATCH 4/4] changelog --- changelog.d/3521.feature | 1 + 1 file changed, 1 insertion(+) create mode 100644 changelog.d/3521.feature diff --git a/changelog.d/3521.feature b/changelog.d/3521.feature new file mode 100644 index 0000000000..6dced5f2ae --- /dev/null +++ b/changelog.d/3521.feature @@ -0,0 +1 @@ +Cache optimisation for /sync requests \ No newline at end of file