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forked-synapse/synapse/http/request_metrics.py

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Move RequestsMetrics to its own file This is useful in its own right, because server.py is full of stuff; but more importantly, I want to do some refactoring that will cause a circular reference as it is.
2018-05-09 18:55:03 +00:00
# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
rest of the changes
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from prometheus_client.core import Counter, Histogram
Move RequestsMetrics to its own file This is useful in its own right, because server.py is full of stuff; but more importantly, I want to do some refactoring that will cause a circular reference as it is.
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from synapse.util.logcontext import LoggingContext
logger = logging.getLogger(__name__)
# total number of responses served, split by method/servlet/tag
rest of the changes
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response_count = Counter("synapse_http_server_response_count", "", ["method", "servlet", "tag"])
Move RequestsMetrics to its own file This is useful in its own right, because server.py is full of stuff; but more importantly, I want to do some refactoring that will cause a circular reference as it is.
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rest of the changes
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requests_counter = Counter("synapse_http_server_requests_received", "", ["method", "servlet"])
Move RequestsMetrics to its own file This is useful in its own right, because server.py is full of stuff; but more importantly, I want to do some refactoring that will cause a circular reference as it is.
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rest of the changes
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outgoing_responses_counter = Counter("synapse_http_server_responses", "", ["method", "code"])
Move RequestsMetrics to its own file This is useful in its own right, because server.py is full of stuff; but more importantly, I want to do some refactoring that will cause a circular reference as it is.
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rest of the changes
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response_timer = Histogram("synapse_http_server_response_time_seconds", "", ["method", "servlet", "tag"])
Move RequestsMetrics to its own file This is useful in its own right, because server.py is full of stuff; but more importantly, I want to do some refactoring that will cause a circular reference as it is.
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rest of the changes
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response_ru_utime = Counter("synapse_http_server_response_ru_utime_seconds", "", ["method", "servlet", "tag"])
Move RequestsMetrics to its own file This is useful in its own right, because server.py is full of stuff; but more importantly, I want to do some refactoring that will cause a circular reference as it is.
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rest of the changes
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response_ru_stime = Counter("synapse_http_server_response_ru_stime_seconds", "", ["method", "servlet", "tag"])
Move RequestsMetrics to its own file This is useful in its own right, because server.py is full of stuff; but more importantly, I want to do some refactoring that will cause a circular reference as it is.
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rest of the changes
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response_db_txn_count = Counter("synapse_http_server_response_db_txn_count", "", ["method", "servlet", "tag"])
Move RequestsMetrics to its own file This is useful in its own right, because server.py is full of stuff; but more importantly, I want to do some refactoring that will cause a circular reference as it is.
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# seconds spent waiting for db txns, excluding scheduling time, when processing
# this request
rest of the changes
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response_db_txn_duration = Counter("synapse_http_server_response_db_txn_duration_seconds", "", ["method", "servlet", "tag"])
Move RequestsMetrics to its own file This is useful in its own right, because server.py is full of stuff; but more importantly, I want to do some refactoring that will cause a circular reference as it is.
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# seconds spent waiting for a db connection, when processing this request
rest of the changes
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response_db_sched_duration = Counter("synapse_http_request_response_db_sched_duration_seconds", "", ["method", "servlet", "tag"]
Move RequestsMetrics to its own file This is useful in its own right, because server.py is full of stuff; but more importantly, I want to do some refactoring that will cause a circular reference as it is.
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)
# size in bytes of the response written
rest of the changes
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response_size = Counter("synapse_http_request_response_size", "", ["method", "servlet", "tag"]
Move RequestsMetrics to its own file This is useful in its own right, because server.py is full of stuff; but more importantly, I want to do some refactoring that will cause a circular reference as it is.
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)
class RequestMetrics(object):
Make RequestMetrics take a raw time rather than a clock ... which is going to make it easier to move around.
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def start(self, time_msec, name):
self.start = time_msec
Move RequestsMetrics to its own file This is useful in its own right, because server.py is full of stuff; but more importantly, I want to do some refactoring that will cause a circular reference as it is.
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self.start_context = LoggingContext.current_context()
self.name = name
Make RequestMetrics take a raw time rather than a clock ... which is going to make it easier to move around.
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def stop(self, time_msec, request):
Move RequestsMetrics to its own file This is useful in its own right, because server.py is full of stuff; but more importantly, I want to do some refactoring that will cause a circular reference as it is.
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context = LoggingContext.current_context()
tag = ""
if context:
tag = context.tag
if context != self.start_context:
logger.warn(
"Context have unexpectedly changed %r, %r",
context, self.start_context
)
return
rest of the changes
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outgoing_responses_counter.labels(request.method, str(request.code)).inc()
Move outgoing_responses_counter handling to RequestMetrics it's much neater there.
2018-05-09 22:44:22 +00:00
rest of the changes
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response_count.labels(request.method, self.name, tag).inc()
Move RequestsMetrics to its own file This is useful in its own right, because server.py is full of stuff; but more importantly, I want to do some refactoring that will cause a circular reference as it is.
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rest of the changes
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response_timer.labels(request.method, self.name, tag).observe(time_msec - self.start)
Move RequestsMetrics to its own file This is useful in its own right, because server.py is full of stuff; but more importantly, I want to do some refactoring that will cause a circular reference as it is.
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ru_utime, ru_stime = context.get_resource_usage()
rest of the changes
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response_ru_utime.labels(request.method, self.name, tag).inc(ru_utime)
response_ru_stime.labels(request.method, self.name, tag).inc(ru_stime)
response_db_txn_count.labels(request.method, self.name, tag).inc(context.db_txn_count)
response_db_txn_duration.labels(request.method, self.name, tag).inc(context.db_txn_duration_ms / 1000.)
response_db_sched_duration.labels(request.method, self.name, tag).inc(
context.db_sched_duration_ms / 1000.)
response_size.labels(request.method, self.name, tag).inc(request.sentLength)
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