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202 Commits

Author SHA1 Message Date
Patrick Cloke
34a5696f93
Fix typos and spelling errors. (#8639) 2020-10-23 12:38:40 -04:00
Erik Johnston
1fcdbeb3ab
Start an opentracing span for background processes. (#8567) 
This should reduce the number of `There was no active span` errors we
see.

Fixes #8510.
 2020-10-19 12:26:26 +01:00
Richard van der Hoff
6d2d42f8fb Rewrite BucketCollector 
This was a bit unweildy for what I wanted: in particular, I wanted to assign
each measurement straight into a bucket, rather than storing an intermediate
Counter which didn't do any bucketing at all.

I've replaced it with something that is hopefully a bit easier to use.

(I'm not entirely sure what the difference between a HistogramMetricFamily and
a GaugeHistogramMetricFamily is, but given our counters can go down as well as
up the latter *sounds* more accurate?)
 2020-09-30 16:49:15 +01:00
Richard van der Hoff
1c8ca2c543 Fix _exposition.py to stop stripping samples 
Our hacked-up `_exposition.py` was stripping out some samples it shouldn't
have been. Put them back in, to more closely match the upstream
`exposition.py`.
 2020-09-30 16:45:43 +01:00
Richard van der Hoff
ceafb5a1c6
Drop support for ancient prometheus_client (#8426) 
Drop compatibility hacks for prometheus-client pre 0.4.0. Debian stretch and
Fedora 31 both have newer versions, so hopefully this will be ok.
 2020-09-30 16:42:05 +01:00
Patrick Cloke
aec294ee0d
Use slots in attrs classes where possible (#8296) 
slots use less memory (and attribute access is faster) while slightly
limiting the flexibility of the class attributes. This focuses on objects
which are instantiated "often" and for short periods of time.
 2020-09-14 12:50:06 -04:00
Patrick Cloke
c619253db8
Stop sub-classing object (#8249) 2020-09-04 06:54:56 -04:00
Patrick Cloke
d89692ea84
Convert runWithConnection to async. (#8121) 2020-08-19 07:09:24 -04:00
Patrick Cloke
c36228c403
Convert run_as_background_process inner function to async. (#8032) 2020-08-06 08:20:42 -04:00
Richard van der Hoff
8ca39bd2c3
Improve stacktraces from exceptions in background processes (#7808) 
use `Failure()` to fish out the real exception.
 2020-07-09 13:01:33 +01:00
Erik Johnston
a99658074d
Add some metrics for inbound and outbound federation processing times (#7755) 2020-06-30 16:58:06 +01:00
Christian Svensson
8bbe87f42d
Set Content-Length for Metrics requests (#7730) 
HTTP requires the response to contain a Content-Length header unless chunked encoding is being used.
Prometheus metrics endpoint did not set this, causing software such as prometheus-proxy to not be able to scrape synapse for metrics.

Signed-off-by: Christian Svensson <blue@cmd.nu>
 2020-06-23 18:06:01 +01:00
Patrick Cloke
bd6dc17221
Replace iteritems/itervalues/iterkeys with native versions. (#7692) 2020-06-15 07:03:36 -04:00
Erik Johnston
f5353eff21
Make inflight background metrics more efficient. (#7597) 
Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
 2020-05-29 13:25:32 +01:00
Ivan Shapovalov
ac481a738e
synapse.metrics: implement detailed memory usage reporting on PyPy (#7536) 
PyPy's gc.get_stats() returns an object containing detailed allocator statistics
which could be beneficial to collect as metrics.

Signed-off-by: Ivan Shapovalov <intelfx@intelfx.name>
 2020-05-22 11:08:41 +01:00
Amber Brown
7cb8b4bc67
Allow configuration of Synapse's cache without using synctl or environment variables (#6391) 2020-05-11 18:45:23 +01:00
Richard van der Hoff
8c75667ad7
Add prometheus metrics for the number of active pushers (#7103) 2020-03-19 10:00:24 +00:00
Patrick Cloke
509e381afa
Clarify list/set/dict/tuple comprehensions and enforce via flake8 (#6957) 
Ensure good comprehension hygiene using flake8-comprehensions.
 2020-02-21 07:15:07 -05:00
Amber Brown
864f144543
Fix up some typechecking (#6150) 
* type checking fixes

* changelog
 2019-10-02 05:29:01 -07:00
Richard van der Hoff
a96318127d Update comments and docstring 2019-09-25 18:17:39 +01:00
Erik Johnston
367158a609 Add wrap_as_background_process decorator. 
This does the same thing as `run_as_background_process` but means we
don't need to create superfluous functions.
 2019-09-24 15:53:17 +01:00
Amber Brown
b617864cd9
Fix for structured logging tests stomping on logs (#6023) 2019-09-13 02:29:55 +10:00
Amber Brown
aeb9b2179e
Add a build info metric to Prometheus (#6005) 2019-09-10 00:14:58 +10:00
Amber Brown
7ad1d76356
Support Prometheus_client 0.4.0+ (#5636) 2019-07-18 23:57:15 +10:00
Amber Brown
463b072b12
Move logging utilities out of the side drawer of util/ and into logging/ (#5606) 2019-07-04 00:07:04 +10:00
Amber Brown
071150ce19
Don't log GC 0s at INFO (#5557) 2019-06-28 21:45:33 +10:00
Amber Brown
32e7c9e7f2
Run Black. (#5482) 2019-06-20 19:32:02 +10:00
Erik Johnston
3ed595e327 Prometheus histograms are cumalative 2019-06-14 14:07:32 +01:00
Amber H. Brown
a10c8dae85 fix prometheus rendering error 2019-06-14 21:09:33 +10:00
Amber Brown
6312d6cc7c
Expose statistics on extrems to prometheus (#5384) 2019-06-13 22:40:52 +10:00
Richard van der Hoff
82ca6d1f9f
Add metrics for number of outgoing EDUs, by type (#4695) 2019-02-20 14:13:14 +00:00
Erik Johnston
7c570bff74 Fix exception in background metrics collection 
We attempted to iterate through a list on a separate thread without
doing the necessary copying.
 2018-10-03 11:28:01 +01:00
Erik Johnston
94ae1dea3c Add missing logger 2018-09-20 17:05:34 +01:00
Erik Johnston
9ea408441f Handle exceptions thrown by background tasks 
Fixes #3921
 2018-09-20 16:15:21 +01:00
Erik Johnston
d0f6c1ce21 Remove spurious comment 2018-09-14 15:12:36 +01:00
Erik Johnston
0a81038ea0 Add in flight real time metrics for Measure blocks 2018-09-14 15:08:37 +01:00
Erik Johnston
3f6762f0bb isort 2018-08-21 09:38:38 +01:00
Erik Johnston
1058d14127 Make the in flight background process metrics thread safe 2018-08-20 17:27:24 +01:00
Richard van der Hoff
bab94da79c fix metric name 2018-08-07 22:11:45 +01:00
Richard van der Hoff
53bca4690b more metrics for the federation and appservice senders 2018-08-07 19:09:48 +01:00
Richard van der Hoff
03751a6420 Fix some looping_call calls which were broken in #3604 
It turns out that looping_call does check the deferred returned by its
callback, and (at least in the case of client_ips), we were relying on this,
and I broke it in #3604.

Update run_as_background_process to return the deferred, and make sure we
return it to clock.looping_call.
 2018-07-26 11:48:08 +01:00
Richard van der Hoff
6e3fc657b4 Resource tracking for background processes 
This introduces a mechanism for tracking resource usage by background
processes, along with an example of how it will be used.

This will help address #3518, but more importantly will give us better insights
into things which are happening but not being shown up by the request metrics.

We *could* do this with Measure blocks, but:
 - I think having them pulled out as a completely separate metric class will
   make it easier to distinguish top-level processes from those which are
   nested.

 - I want to be able to report on in-flight background processes, and I don't
   think we want to do this for *all* Measure blocks.
 2018-07-18 10:50:33 +01:00
Amber Brown
49af402019 run isort 2018-07-09 16:09:20 +10:00
Amber Brown
6350bf925e
Attempt to be more performant on PyPy (#3462) 2018-06-28 14:49:57 +01:00
Richard van der Hoff
cbbfaa4be8 Fix description of "python_gc_time" metric 2018-06-21 10:02:42 +01:00
Matthew Hodgson
ccfdaf68be spell gauge correctly 2018-06-16 07:10:34 +01:00
Amber Brown
f116f32ace
add a last seen metric (#3396) 2018-06-14 20:26:59 +10:00
Richard van der Hoff
694968fa81 Hopefully, fix LaterGuage error handling 2018-06-04 15:59:14 +01:00
Amber Brown
febe0ec8fd
Run Prometheus on a different port, optionally. (#3274) 2018-05-31 19:04:50 +10:00
Matthew Hodgson
ff1bc0a279 pep8 2018-05-29 02:32:15 +01:00
Matthew Hodgson
0a240ad36e disable CPUMetrics if no /proc/self/stat 
fixes build on macOS again
 2018-05-29 02:23:30 +01:00
Amber Brown
5c40ce3777 invalid syntax :( 2018-05-28 19:16:09 +10:00
Amber Brown
a2eb5db4a0 update metrics to be in seconds 2018-05-28 19:10:27 +10:00
Amber Brown
389dac2c15 pepeightttt 2018-05-23 13:08:59 -05:00
Amber Brown
472a5ec4e2 add back CPU metrics 2018-05-23 13:03:56 -05:00
Amber Brown
b6063631c3 more cleanup 2018-05-22 17:36:20 -05:00
Amber Brown
53cc2cde1f cleanup 2018-05-22 17:32:57 -05:00
Amber Brown
85ba83eb51 fixes 2018-05-22 16:28:23 -05:00
Amber Brown
a8990fa2ec Merge remote-tracking branch 'origin/develop' into 3218-official-prom 2018-05-22 10:50:26 -05:00
Amber Brown
df9f72d9e5 replacing portions 2018-05-21 19:47:37 -05:00
Amber Brown
c60e0d5e02 don't need the resource portion 2018-05-21 17:03:20 -05:00
Amber Brown
f258deffcb remove old metrics libs 2018-05-21 17:01:15 -05:00
Erik Johnston
6d8ec3462d Note that label values can be anything 2018-05-03 16:25:05 +01:00
Erik Johnston
95b6912045 Fix metrics that have integer value labels 2018-05-03 15:51:04 +01:00
Erik Johnston
a41117c63b Make _escape_character take MatchObject 2018-05-02 17:27:27 +01:00
Erik Johnston
32015e1109 Escape label values in prometheus metrics 2018-05-02 16:52:42 +01:00
Erik Johnston
d7bf3a68f0 s/list/tuple 2018-04-12 11:19:04 +01:00
Erik Johnston
4dae4a97ed Track last processed event received_ts 2018-04-11 14:27:09 +01:00
Erik Johnston
92e34615c5 Track where event stream processing have gotten up to 2018-04-11 12:13:40 +01:00
Erik Johnston
ab825aa328 Add GaugeMetric 2018-04-11 12:13:40 +01:00
Vincent Breitmoser
6d7f0f8dd3 Don't disable GC when running on PyPy 
PyPy's incminimark GC can't be triggered manually. From what I observed
there are no obvious issues with just letting it run normally. And
unlike CPython, it actually returns unused RAM to the system.

Signed-off-by: Vincent Breitmoser <look@my.amazin.horse>
 2018-04-10 11:35:34 +02:00
Richard van der Hoff
88541f9009 Add a metric which increments when a request is received 
It's useful to know when there are peaks in incoming requests - which isn't
quite the same as there being peaks in outgoing responses, due to the time
taken to handle requests.
 2018-03-09 16:30:26 +00:00
Richard van der Hoff
bc496df192 report metrics on number of cache evictions 2018-02-05 15:34:01 +00:00
Richard van der Hoff
87b7d72760 Add some comments about the reactor tick time metric 2018-01-19 23:51:04 +00:00
Richard van der Hoff
ce236f8ac8 better exception logging in callbackmetrics 
when we fail to render a metric, give a clue as to which metric it was
 2018-01-18 11:30:49 +00:00
Richard van der Hoff
992018d1c0 mechanism to render metrics with alternative names 2018-01-15 17:04:39 +00:00
Richard van der Hoff
80fa610f9c Add some comments to metrics classes 2018-01-15 16:52:52 +00:00
Richard van der Hoff
19d274085f Make Counter render floats 
Prometheus handles all metrics as floats, and sometimes we store non-integer
values in them (notably, durations in seconds), so let's render them as floats
too.

(Note that the standard client libraries also treat Counters as floats.)
 2018-01-12 23:49:44 +00:00
Paul "LeoNerd" Evans
2938a00825 Rename the python-specific metrics now the docs claim that we have done 2016-11-03 17:03:52 +00:00
Paul "LeoNerd" Evans
5219f7e060 Since we don't export per-filetype fd counts any more, delete all the code related to that too 2016-11-03 16:41:32 +00:00
Paul "LeoNerd" Evans
93ebeb2aa8 Remove now-unused 'resource' import 2016-11-03 16:37:09 +00:00
Paul "LeoNerd" Evans
c1b077cd19 Now we have new-style metrics don't bother exporting legacy-named process ones 2016-11-03 16:34:16 +00:00
Paul "LeoNerd" Evans
1cc22da600 Set up the process collector during metrics __init__; that way all split-process workers have it 2016-10-27 18:09:34 +01:00
Paul "LeoNerd" Evans
aac13b1f9a Pass the Metrics group into the process collector instead of having it find its own one; this avoids it needing to import from synapse.metrics 2016-10-27 18:08:15 +01:00
Paul "LeoNerd" Evans
ccc1a3d54d Allow creation of a 'subspace' within a Metrics object, returning another one 2016-10-27 18:07:34 +01:00
Paul "LeoNerd" Evans
b01aaadd48 Split callback metric lambda functions down onto their own lines to keep line lengths under 90 2016-10-19 18:26:13 +01:00
Paul "LeoNerd" Evans
1071c7d963 Adjust code for <100 char line limit 2016-10-19 18:23:25 +01:00
Paul "LeoNerd" Evans
6453d03edd Cut the raw /proc/self/stat line up into named fields at collection time 2016-10-19 18:21:40 +01:00
Paul "LeoNerd" Evans
3ae48a1f99 Move the process metrics collector code into its own file 2016-10-19 18:10:24 +01:00
Paul "LeoNerd" Evans
4cedd53224 A slightly neater way to manage metric collector functions 2016-10-19 17:54:09 +01:00
Paul "LeoNerd" Evans
5663137e03 appease pep8 2016-10-19 16:09:42 +01:00
Paul "LeoNerd" Evans
b202531be6 Also guard /proc/self/fds-related code with a suitable psuedoconstant 2016-10-19 15:37:41 +01:00
Paul "LeoNerd" Evans
1b179455fc Guard registration of process-wide metrics by existence of the requisite /proc entries 2016-10-19 15:34:38 +01:00
Paul "LeoNerd" Evans
981f852d54 Add standard process_start_time_seconds metric 2016-10-19 15:05:22 +01:00
Paul "LeoNerd" Evans
def63649df Add standard process_max_fds metric 2016-10-19 15:05:21 +01:00
Paul "LeoNerd" Evans
06f1ad1625 Add standard process_open_fds metric 2016-10-19 15:05:21 +01:00
Paul "LeoNerd" Evans
95fc70216d Add standard process_*_memory_bytes metrics 2016-10-19 15:05:21 +01:00
Paul "LeoNerd" Evans
9b0316c75a Use /proc/self/stat to generate the new process_cpu_*_seconds_total metrics 2016-10-19 15:05:21 +01:00
Paul "LeoNerd" Evans
03c2720940 Export CPU usage metrics also under prometheus-standard metric name 2016-10-19 15:05:21 +01:00
Paul "LeoNerd" Evans
b21b9dbc37 Callback metric values might not just be integers - allow floats 2016-10-19 15:05:15 +01:00