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Use static JSONEncoders

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using json.dumps with custom options requires us to create a new JSONEncoder on
each call. It's more efficient to create one upfront and reuse it.
This commit is contained in:
Richard van der Hoff 2018-03-29 22:57:28 +01:00
parent 88cc9cc69e
commit 05630758f2
4 changed files with 34 additions and 20 deletions
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23
synapse/storage/events.py
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@ -14,15 +14,19 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from synapse.storage.events_worker import EventsWorkerStore
from collections import OrderedDict, deque, namedtuple
from functools import wraps
import logging
import simplejson as json
from twisted.internet import defer
from synapse.events import USE_FROZEN_DICTS
from synapse.storage.events_worker import EventsWorkerStore
from synapse.util.async import ObservableDeferred
from synapse.util.frozenutils import frozendict_json_encoder
from synapse.util.logcontext import (
PreserveLoggingContext, make_deferred_yieldable
PreserveLoggingContext, make_deferred_yieldable,
)
from synapse.util.logutils import log_function
from synapse.util.metrics import Measure
@ -30,16 +34,8 @@ from synapse.api.constants import EventTypes
from synapse.api.errors import SynapseError
from synapse.util.caches.descriptors import cached, cachedInlineCallbacks
from synapse.types import get_domain_from_id
from canonicaljson import encode_canonical_json
from collections import deque, namedtuple, OrderedDict
from functools import wraps
import synapse.metrics
import logging
import simplejson as json
# these are only included to make the type annotations work
from synapse.events import EventBase # noqa: F401
from synapse.events.snapshot import EventContext # noqa: F401
@ -71,10 +67,7 @@ state_delta_reuse_delta_counter = metrics.register_counter(
def encode_json(json_object):
if USE_FROZEN_DICTS:
return encode_canonical_json(json_object)
else:
return json.dumps(json_object, ensure_ascii=False)
return frozendict_json_encoder.encode(json_object)
class _EventPeristenceQueue(object):