1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
# Copyright 2020 The Matrix.org Foundation C.I.C.
#
# 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
import math
import resource
import sys
from prometheus_client import Gauge
from synapse.metrics.background_process_metrics import wrap_as_background_process
logger = logging.getLogger("synapse.app.homeserver")
# Contains the list of processes we will be monitoring
# currently either 0 or 1
_stats_process = []
# Gauges to expose monthly active user control metrics
current_mau_gauge = Gauge("synapse_admin_mau:current", "Current MAU")
current_mau_by_service_gauge = Gauge(
"synapse_admin_mau_current_mau_by_service",
"Current MAU by service",
["app_service"],
)
max_mau_gauge = Gauge("synapse_admin_mau:max", "MAU Limit")
registered_reserved_users_mau_gauge = Gauge(
"synapse_admin_mau:registered_reserved_users",
"Registered users with reserved threepids",
)
@wrap_as_background_process("phone_stats_home")
async def phone_stats_home(hs, stats, stats_process=_stats_process):
logger.info("Gathering stats for reporting")
now = int(hs.get_clock().time())
uptime = int(now - hs.start_time)
if uptime < 0:
uptime = 0
#
# Performance statistics. Keep this early in the function to maintain reliability of `test_performance_100` test.
#
old = stats_process[0]
new = (now, resource.getrusage(resource.RUSAGE_SELF))
stats_process[0] = new
# Get RSS in bytes
stats["memory_rss"] = new[1].ru_maxrss
# Get CPU time in % of a single core, not % of all cores
used_cpu_time = (new[1].ru_utime + new[1].ru_stime) - (
old[1].ru_utime + old[1].ru_stime
)
if used_cpu_time == 0 or new[0] == old[0]:
stats["cpu_average"] = 0
else:
stats["cpu_average"] = math.floor(used_cpu_time / (new[0] - old[0]) * 100)
#
# General statistics
#
stats["homeserver"] = hs.config.server_name
stats["server_context"] = hs.config.server_context
stats["timestamp"] = now
stats["uptime_seconds"] = uptime
version = sys.version_info
stats["python_version"] = "{}.{}.{}".format(
version.major, version.minor, version.micro
)
stats["total_users"] = await hs.get_datastore().count_all_users()
total_nonbridged_users = await hs.get_datastore().count_nonbridged_users()
stats["total_nonbridged_users"] = total_nonbridged_users
daily_user_type_results = await hs.get_datastore().count_daily_user_type()
for name, count in daily_user_type_results.items():
stats["daily_user_type_" + name] = count
room_count = await hs.get_datastore().get_room_count()
stats["total_room_count"] = room_count
stats["daily_active_users"] = await hs.get_datastore().count_daily_users()
stats["monthly_active_users"] = await hs.get_datastore().count_monthly_users()
daily_active_e2ee_rooms = await hs.get_datastore().count_daily_active_e2ee_rooms()
stats["daily_active_e2ee_rooms"] = daily_active_e2ee_rooms
stats["daily_e2ee_messages"] = await hs.get_datastore().count_daily_e2ee_messages()
daily_sent_e2ee_messages = await hs.get_datastore().count_daily_sent_e2ee_messages()
stats["daily_sent_e2ee_messages"] = daily_sent_e2ee_messages
stats["daily_active_rooms"] = await hs.get_datastore().count_daily_active_rooms()
stats["daily_messages"] = await hs.get_datastore().count_daily_messages()
daily_sent_messages = await hs.get_datastore().count_daily_sent_messages()
stats["daily_sent_messages"] = daily_sent_messages
r30_results = await hs.get_datastore().count_r30_users()
for name, count in r30_results.items():
stats["r30_users_" + name] = count
stats["cache_factor"] = hs.config.caches.global_factor
stats["event_cache_size"] = hs.config.caches.event_cache_size
#
# Database version
#
# This only reports info about the *main* database.
stats["database_engine"] = hs.get_datastore().db_pool.engine.module.__name__
stats["database_server_version"] = hs.get_datastore().db_pool.engine.server_version
#
# Logging configuration
#
synapse_logger = logging.getLogger("synapse")
log_level = synapse_logger.getEffectiveLevel()
stats["log_level"] = logging.getLevelName(log_level)
logger.info("Reporting stats to %s: %s" % (hs.config.report_stats_endpoint, stats))
try:
await hs.get_proxied_http_client().put_json(
hs.config.report_stats_endpoint, stats
)
except Exception as e:
logger.warning("Error reporting stats: %s", e)
def start_phone_stats_home(hs):
"""
Start the background tasks which report phone home stats.
"""
clock = hs.get_clock()
stats = {}
def performance_stats_init():
_stats_process.clear()
_stats_process.append(
(int(hs.get_clock().time()), resource.getrusage(resource.RUSAGE_SELF))
)
# Rather than update on per session basis, batch up the requests.
# If you increase the loop period, the accuracy of user_daily_visits
# table will decrease
clock.looping_call(hs.get_datastore().generate_user_daily_visits, 5 * 60 * 1000)
# monthly active user limiting functionality
clock.looping_call(hs.get_datastore().reap_monthly_active_users, 1000 * 60 * 60)
hs.get_datastore().reap_monthly_active_users()
@wrap_as_background_process("generate_monthly_active_users")
async def generate_monthly_active_users():
current_mau_count = 0
current_mau_count_by_service = {}
reserved_users = ()
store = hs.get_datastore()
if hs.config.limit_usage_by_mau or hs.config.mau_stats_only:
current_mau_count = await store.get_monthly_active_count()
current_mau_count_by_service = (
await store.get_monthly_active_count_by_service()
)
reserved_users = await store.get_registered_reserved_users()
current_mau_gauge.set(float(current_mau_count))
for app_service, count in current_mau_count_by_service.items():
current_mau_by_service_gauge.labels(app_service).set(float(count))
registered_reserved_users_mau_gauge.set(float(len(reserved_users)))
max_mau_gauge.set(float(hs.config.max_mau_value))
if hs.config.limit_usage_by_mau or hs.config.mau_stats_only:
generate_monthly_active_users()
clock.looping_call(generate_monthly_active_users, 5 * 60 * 1000)
# End of monthly active user settings
if hs.config.report_stats:
logger.info("Scheduling stats reporting for 3 hour intervals")
clock.looping_call(phone_stats_home, 3 * 60 * 60 * 1000, hs, stats)
# We need to defer this init for the cases that we daemonize
# otherwise the process ID we get is that of the non-daemon process
clock.call_later(0, performance_stats_init)
# We wait 5 minutes to send the first set of stats as the server can
# be quite busy the first few minutes
clock.call_later(5 * 60, phone_stats_home, hs, stats)
|
