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Merge pull request #1031 from matrix-org/erikj/measure_notifier

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Add more Measure blocks
This commit is contained in:
Erik Johnston 2016-08-22 12:13:07 +01:00 committed by GitHub
commit e65bc7d315
6 changed files with 182 additions and 178 deletions
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94
synapse/crypto/keyring.py
View file

@ -22,6 +22,7 @@ from synapse.util.logcontext import (
preserve_context_over_deferred, preserve_context_over_fn, PreserveLoggingContext,
preserve_fn
)
from synapse.util.metrics import Measure
from twisted.internet import defer
@ -243,59 +244,60 @@ class Keyring(object):
@defer.inlineCallbacks
def do_iterations():
merged_results = {}
with Measure(self.clock, "get_server_verify_keys"):
merged_results = {}
missing_keys = {}
for verify_request in verify_requests:
missing_keys.setdefault(verify_request.server_name, set()).update(
verify_request.key_ids
)
for fn in key_fetch_fns:
results = yield fn(missing_keys.items())
merged_results.update(results)
# We now need to figure out which verify requests we have keys
# for and which we don't
missing_keys = {}
requests_missing_keys = []
for verify_request in verify_requests:
server_name = verify_request.server_name
result_keys = merged_results[server_name]
missing_keys.setdefault(verify_request.server_name, set()).update(
verify_request.key_ids
)
if verify_request.deferred.called:
# We've already called this deferred, which probably
# means that we've already found a key for it.
continue
for fn in key_fetch_fns:
results = yield fn(missing_keys.items())
merged_results.update(results)
for key_id in verify_request.key_ids:
if key_id in result_keys:
with PreserveLoggingContext():
verify_request.deferred.callback((
server_name,
key_id,
result_keys[key_id],
))
break
else:
# The else block is only reached if the loop above
# doesn't break.
missing_keys.setdefault(server_name, set()).update(
verify_request.key_ids
)
requests_missing_keys.append(verify_request)
# We now need to figure out which verify requests we have keys
# for and which we don't
missing_keys = {}
requests_missing_keys = []
for verify_request in verify_requests:
server_name = verify_request.server_name
result_keys = merged_results[server_name]
if not missing_keys:
break
if verify_request.deferred.called:
# We've already called this deferred, which probably
# means that we've already found a key for it.
continue
for verify_request in requests_missing_keys.values():
verify_request.deferred.errback(SynapseError(
401,
"No key for %s with id %s" % (
verify_request.server_name, verify_request.key_ids,
),
Codes.UNAUTHORIZED,
))
for key_id in verify_request.key_ids:
if key_id in result_keys:
with PreserveLoggingContext():
verify_request.deferred.callback((
server_name,
key_id,
result_keys[key_id],
))
break
else:
# The else block is only reached if the loop above
# doesn't break.
missing_keys.setdefault(server_name, set()).update(
verify_request.key_ids
)
requests_missing_keys.append(verify_request)
if not missing_keys:
break
for verify_request in requests_missing_keys.values():
verify_request.deferred.errback(SynapseError(
401,
"No key for %s with id %s" % (
verify_request.server_name, verify_request.key_ids,
),
Codes.UNAUTHORIZED,
))
def on_err(err):
for verify_request in verify_requests:

14
synapse/handlers/sync.py
View file

@ -464,10 +464,10 @@ class SyncHandler(object):
else:
state = {}
defer.returnValue({
(e.type, e.state_key): e
for e in sync_config.filter_collection.filter_room_state(state.values())
})
defer.returnValue({
(e.type, e.state_key): e
for e in sync_config.filter_collection.filter_room_state(state.values())
})
@defer.inlineCallbacks
def unread_notifs_for_room_id(self, room_id, sync_config):
@ -485,9 +485,9 @@ class SyncHandler(object):
)
defer.returnValue(notifs)
# There is no new information in this period, so your notification
# count is whatever it was last time.
defer.returnValue(None)
# There is no new information in this period, so your notification
# count is whatever it was last time.
defer.returnValue(None)
@defer.inlineCallbacks
def generate_sync_result(self, sync_config, since_token=None, full_state=False):

136
synapse/http/server.py
View file

@ -19,6 +19,7 @@ from synapse.api.errors import (
)
from synapse.util.logcontext import LoggingContext, PreserveLoggingContext
from synapse.util.caches import intern_dict
from synapse.util.metrics import Measure
import synapse.metrics
import synapse.events
@ -74,12 +75,12 @@ response_db_txn_duration = metrics.register_distribution(
_next_request_id = 0
def request_handler(report_metrics=True):
def request_handler(include_metrics=False):
"""Decorator for ``wrap_request_handler``"""
return lambda request_handler: wrap_request_handler(request_handler, report_metrics)
return lambda request_handler: wrap_request_handler(request_handler, include_metrics)
def wrap_request_handler(request_handler, report_metrics):
def wrap_request_handler(request_handler, include_metrics=False):
"""Wraps a method that acts as a request handler with the necessary logging
and exception handling.
@ -103,54 +104,56 @@ def wrap_request_handler(request_handler, report_metrics):
_next_request_id += 1
with LoggingContext(request_id) as request_context:
if report_metrics:
with Measure(self.clock, "wrapped_request_handler"):
request_metrics = RequestMetrics()
request_metrics.start(self.clock)
request_metrics.start(self.clock, name=self.__class__.__name__)
request_context.request = request_id
with request.processing():
try:
with PreserveLoggingContext(request_context):
yield request_handler(self, request)
except CodeMessageException as e:
code = e.code
if isinstance(e, SynapseError):
logger.info(
"%s SynapseError: %s - %s", request, code, e.msg
)
else:
logger.exception(e)
outgoing_responses_counter.inc(request.method, str(code))
respond_with_json(
request, code, cs_exception(e), send_cors=True,
pretty_print=_request_user_agent_is_curl(request),
version_string=self.version_string,
)
except:
logger.exception(
"Failed handle request %s.%s on %r: %r",
request_handler.__module__,
request_handler.__name__,
self,
request
)
respond_with_json(
request,
500,
{
"error": "Internal server error",
"errcode": Codes.UNKNOWN,
},
send_cors=True
)
finally:
request_context.request = request_id
with request.processing():
try:
if report_metrics:
request_metrics.stop(
self.clock, request, self.__class__.__name__
with PreserveLoggingContext(request_context):
if include_metrics:
yield request_handler(self, request, request_metrics)
else:
yield request_handler(self, request)
except CodeMessageException as e:
code = e.code
if isinstance(e, SynapseError):
logger.info(
"%s SynapseError: %s - %s", request, code, e.msg
)
else:
logger.exception(e)
outgoing_responses_counter.inc(request.method, str(code))
respond_with_json(
request, code, cs_exception(e), send_cors=True,
pretty_print=_request_user_agent_is_curl(request),
version_string=self.version_string,
)
except:
pass
logger.exception(
"Failed handle request %s.%s on %r: %r",
request_handler.__module__,
request_handler.__name__,
self,
request
)
respond_with_json(
request,
500,
{
"error": "Internal server error",
"errcode": Codes.UNKNOWN,
},
send_cors=True
)
finally:
try:
request_metrics.stop(
self.clock, request
)
except Exception as e:
logger.warn("Failed to stop metrics: %r", e)
return wrapped_request_handler
@ -220,9 +223,9 @@ class JsonResource(HttpServer, resource.Resource):
# It does its own metric reporting because _async_render dispatches to
# a callback and it's the class name of that callback we want to report
# against rather than the JsonResource itself.
@request_handler(report_metrics=False)
@request_handler(include_metrics=True)
@defer.inlineCallbacks
def _async_render(self, request):
def _async_render(self, request, request_metrics):
""" This gets called from render() every time someone sends us a request.
This checks if anyone has registered a callback for that method and
path.
@ -231,9 +234,6 @@ class JsonResource(HttpServer, resource.Resource):
self._send_response(request, 200, {})
return
request_metrics = RequestMetrics()
request_metrics.start(self.clock)
# Loop through all the registered callbacks to check if the method
# and path regex match
for path_entry in self.path_regexs.get(request.method, []):
@ -247,12 +247,6 @@ class JsonResource(HttpServer, resource.Resource):
callback = path_entry.callback
servlet_instance = getattr(callback, "__self__", None)
if servlet_instance is not None:
servlet_classname = servlet_instance.__class__.__name__
else:
servlet_classname = "%r" % callback
kwargs = intern_dict({
name: urllib.unquote(value).decode("UTF-8") if value else value
for name, value in m.groupdict().items()
@ -263,10 +257,13 @@ class JsonResource(HttpServer, resource.Resource):
code, response = callback_return
self._send_response(request, code, response)
try:
request_metrics.stop(self.clock, request, servlet_classname)
except:
pass
servlet_instance = getattr(callback, "__self__", None)
if servlet_instance is not None:
servlet_classname = servlet_instance.__class__.__name__
else:
servlet_classname = "%r" % callback
request_metrics.name = servlet_classname
return
@ -298,11 +295,12 @@ class JsonResource(HttpServer, resource.Resource):
class RequestMetrics(object):
def start(self, clock):
def start(self, clock, name):
self.start = clock.time_msec()
self.start_context = LoggingContext.current_context()
self.name = name
def stop(self, clock, request, servlet_classname):
def stop(self, clock, request):
context = LoggingContext.current_context()
tag = ""
@ -316,26 +314,26 @@ class RequestMetrics(object):
)
return
incoming_requests_counter.inc(request.method, servlet_classname, tag)
incoming_requests_counter.inc(request.method, self.name, tag)
response_timer.inc_by(
clock.time_msec() - self.start, request.method,
servlet_classname, tag
self.name, tag
)
ru_utime, ru_stime = context.get_resource_usage()
response_ru_utime.inc_by(
ru_utime, request.method, servlet_classname, tag
ru_utime, request.method, self.name, tag
)
response_ru_stime.inc_by(
ru_stime, request.method, servlet_classname, tag
ru_stime, request.method, self.name, tag
)
response_db_txn_count.inc_by(
context.db_txn_count, request.method, servlet_classname, tag
context.db_txn_count, request.method, self.name, tag
)
response_db_txn_duration.inc_by(
context.db_txn_duration, request.method, servlet_classname, tag
context.db_txn_duration, request.method, self.name, tag
)

30
synapse/notifier.py
View file

@ -20,6 +20,7 @@ from synapse.api.errors import AuthError
from synapse.util.logutils import log_function
from synapse.util.async import ObservableDeferred
from synapse.util.logcontext import PreserveLoggingContext
from synapse.util.metrics import Measure
from synapse.types import StreamToken
from synapse.visibility import filter_events_for_client
import synapse.metrics
@ -231,24 +232,25 @@ class Notifier(object):
Will wake up all listeners for the given users and rooms.
"""
with PreserveLoggingContext():
user_streams = set()
with Measure(self.clock, "on_new_event"):
user_streams = set()
for user in users:
user_stream = self.user_to_user_stream.get(str(user))
if user_stream is not None:
user_streams.add(user_stream)
for user in users:
user_stream = self.user_to_user_stream.get(str(user))
if user_stream is not None:
user_streams.add(user_stream)
for room in rooms:
user_streams |= self.room_to_user_streams.get(room, set())
for room in rooms:
user_streams |= self.room_to_user_streams.get(room, set())
time_now_ms = self.clock.time_msec()
for user_stream in user_streams:
try:
user_stream.notify(stream_key, new_token, time_now_ms)
except:
logger.exception("Failed to notify listener")
time_now_ms = self.clock.time_msec()
for user_stream in user_streams:
try:
user_stream.notify(stream_key, new_token, time_now_ms)
except:
logger.exception("Failed to notify listener")
self.notify_replication()
self.notify_replication()
def on_new_replication_data(self):
"""Used to inform replication listeners that something has happend

84
synapse/storage/events.py
View file

@ -22,6 +22,7 @@ from synapse.events.utils import prune_event
from synapse.util.async import ObservableDeferred
from synapse.util.logcontext import preserve_fn, PreserveLoggingContext
from synapse.util.logutils import log_function
from synapse.util.metrics import Measure
from synapse.api.constants import EventTypes
from synapse.api.errors import SynapseError
@ -1132,54 +1133,55 @@ class EventsStore(SQLBaseStore):
@defer.inlineCallbacks
def _get_event_from_row(self, internal_metadata, js, redacted,
rejected_reason=None):
d = json.loads(js)
internal_metadata = json.loads(internal_metadata)
with Measure(self._clock, "_get_event_from_row"):
d = json.loads(js)
internal_metadata = json.loads(internal_metadata)
if rejected_reason:
rejected_reason = yield self._simple_select_one_onecol(
table="rejections",
keyvalues={"event_id": rejected_reason},
retcol="reason",
desc="_get_event_from_row_rejected_reason",
if rejected_reason:
rejected_reason = yield self._simple_select_one_onecol(
table="rejections",
keyvalues={"event_id": rejected_reason},
retcol="reason",
desc="_get_event_from_row_rejected_reason",
)
original_ev = FrozenEvent(
d,
internal_metadata_dict=internal_metadata,
rejected_reason=rejected_reason,
)
original_ev = FrozenEvent(
d,
internal_metadata_dict=internal_metadata,
rejected_reason=rejected_reason,
)
redacted_event = None
if redacted:
redacted_event = prune_event(original_ev)
redacted_event = None
if redacted:
redacted_event = prune_event(original_ev)
redaction_id = yield self._simple_select_one_onecol(
table="redactions",
keyvalues={"redacts": redacted_event.event_id},
retcol="event_id",
desc="_get_event_from_row_redactions",
)
redaction_id = yield self._simple_select_one_onecol(
table="redactions",
keyvalues={"redacts": redacted_event.event_id},
retcol="event_id",
desc="_get_event_from_row_redactions",
redacted_event.unsigned["redacted_by"] = redaction_id
# Get the redaction event.
because = yield self.get_event(
redaction_id,
check_redacted=False,
allow_none=True,
)
if because:
# It's fine to do add the event directly, since get_pdu_json
# will serialise this field correctly
redacted_event.unsigned["redacted_because"] = because
cache_entry = _EventCacheEntry(
event=original_ev,
redacted_event=redacted_event,
)
redacted_event.unsigned["redacted_by"] = redaction_id
# Get the redaction event.
because = yield self.get_event(
redaction_id,
check_redacted=False,
allow_none=True,
)
if because:
# It's fine to do add the event directly, since get_pdu_json
# will serialise this field correctly
redacted_event.unsigned["redacted_because"] = because
cache_entry = _EventCacheEntry(
event=original_ev,
redacted_event=redacted_event,
)
self._get_event_cache.prefill((original_ev.event_id,), cache_entry)
self._get_event_cache.prefill((original_ev.event_id,), cache_entry)
defer.returnValue(cache_entry)

2
synapse/util/metrics.py
View file

@ -87,7 +87,7 @@ class Measure(object):
self.db_txn_duration = self.start_context.db_txn_duration
def __exit__(self, exc_type, exc_val, exc_tb):
if exc_type is not None or not self.start_context:
if isinstance(exc_type, Exception) or not self.start_context:
return
duration = self.clock.time_msec() - self.start