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https://git.anonymousland.org/anonymousland/synapse-product.git
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131 lines
4.6 KiB
Python
131 lines
4.6 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2020 The Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import typing
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from collections import Counter
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from twisted.internet import defer
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from synapse.metrics import BucketCollector
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from synapse.metrics.background_process_metrics import run_as_background_process
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from synapse.storage._base import SQLBaseStore
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from synapse.storage.database import DatabasePool
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from synapse.storage.databases.main.event_push_actions import (
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EventPushActionsWorkerStore,
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)
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class ServerMetricsStore(EventPushActionsWorkerStore, SQLBaseStore):
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"""Functions to pull various metrics from the DB, for e.g. phone home
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stats and prometheus metrics.
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"""
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def __init__(self, database: DatabasePool, db_conn, hs):
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super().__init__(database, db_conn, hs)
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# Collect metrics on the number of forward extremities that exist.
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# Counter of number of extremities to count
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self._current_forward_extremities_amount = (
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Counter()
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) # type: typing.Counter[int]
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BucketCollector(
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"synapse_forward_extremities",
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lambda: self._current_forward_extremities_amount,
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buckets=[1, 2, 3, 5, 7, 10, 15, 20, 50, 100, 200, 500, "+Inf"],
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)
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# Read the extrems every 60 minutes
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def read_forward_extremities():
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# run as a background process to make sure that the database transactions
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# have a logcontext to report to
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return run_as_background_process(
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"read_forward_extremities", self._read_forward_extremities
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)
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hs.get_clock().looping_call(read_forward_extremities, 60 * 60 * 1000)
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async def _read_forward_extremities(self):
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def fetch(txn):
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txn.execute(
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"""
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select count(*) c from event_forward_extremities
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group by room_id
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"""
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)
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return txn.fetchall()
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res = await self.db_pool.runInteraction("read_forward_extremities", fetch)
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self._current_forward_extremities_amount = Counter([x[0] for x in res])
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@defer.inlineCallbacks
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def count_daily_messages(self):
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"""
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Returns an estimate of the number of messages sent in the last day.
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If it has been significantly less or more than one day since the last
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call to this function, it will return None.
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"""
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def _count_messages(txn):
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sql = """
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SELECT COALESCE(COUNT(*), 0) FROM events
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WHERE type = 'm.room.message'
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AND stream_ordering > ?
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"""
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txn.execute(sql, (self.stream_ordering_day_ago,))
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(count,) = txn.fetchone()
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return count
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ret = yield self.db_pool.runInteraction("count_messages", _count_messages)
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return ret
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@defer.inlineCallbacks
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def count_daily_sent_messages(self):
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def _count_messages(txn):
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# This is good enough as if you have silly characters in your own
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# hostname then thats your own fault.
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like_clause = "%:" + self.hs.hostname
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sql = """
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SELECT COALESCE(COUNT(*), 0) FROM events
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WHERE type = 'm.room.message'
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AND sender LIKE ?
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AND stream_ordering > ?
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"""
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txn.execute(sql, (like_clause, self.stream_ordering_day_ago))
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(count,) = txn.fetchone()
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return count
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ret = yield self.db_pool.runInteraction(
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"count_daily_sent_messages", _count_messages
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)
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return ret
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@defer.inlineCallbacks
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def count_daily_active_rooms(self):
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def _count(txn):
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sql = """
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SELECT COALESCE(COUNT(DISTINCT room_id), 0) FROM events
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WHERE type = 'm.room.message'
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AND stream_ordering > ?
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"""
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txn.execute(sql, (self.stream_ordering_day_ago,))
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(count,) = txn.fetchone()
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return count
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ret = yield self.db_pool.runInteraction("count_daily_active_rooms", _count)
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return ret
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