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Add a prometheus metric for active cache lookups. #5750
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richvdh
commented
Jul 24, 2019
| @@ -37,6 +39,12 @@ | |||
| logger = logging.getLogger(__name__) | |||
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| cache_pending_metric = Gauge( | |||
| "synapse_util_caches_cache_pending", | |||
There was a problem hiding this comment.
so, question. The existing cache metrics (
synapse/synapse/util/caches/__init__.py
Line 42 in b314574
synapse/synapse/metrics/_exposition.py
Line 152 in b314574
I'm assuming that means that the colon-names are deprecated and underscores are the new black, but I'm not sure of any authority or conscious decision here.
Codecov Report
@@ Coverage Diff @@
## develop #5750 +/- ##
===========================================
+ Coverage 63.34% 63.35% +0.01%
===========================================
Files 331 331
Lines 36393 36399 +6
Branches 6006 6007 +1
===========================================
+ Hits 23054 23062 +8
+ Misses 11700 11699 -1
+ Partials 1639 1638 -1 |
3 similar comments
Codecov Report
@@ Coverage Diff @@
## develop #5750 +/- ##
===========================================
+ Coverage 63.34% 63.35% +0.01%
===========================================
Files 331 331
Lines 36393 36399 +6
Branches 6006 6007 +1
===========================================
+ Hits 23054 23062 +8
+ Misses 11700 11699 -1
+ Partials 1639 1638 -1 |
Codecov Report
@@ Coverage Diff @@
## develop #5750 +/- ##
===========================================
+ Coverage 63.34% 63.35% +0.01%
===========================================
Files 331 331
Lines 36393 36399 +6
Branches 6006 6007 +1
===========================================
+ Hits 23054 23062 +8
+ Misses 11700 11699 -1
+ Partials 1639 1638 -1 |
Codecov Report
@@ Coverage Diff @@
## develop #5750 +/- ##
===========================================
+ Coverage 63.34% 63.35% +0.01%
===========================================
Files 331 331
Lines 36393 36399 +6
Branches 6006 6007 +1
===========================================
+ Hits 23054 23062 +8
+ Misses 11700 11699 -1
+ Partials 1639 1638 -1 |
hawkowl
approved these changes
Jul 24, 2019
babolivier
added a commit
that referenced
this pull request
Aug 15, 2019
Synapse 1.3.0 (2019-08-15) ========================== Bugfixes -------- - Fix 500 Internal Server Error on `publicRooms` when the public room list was cached. ([\#5851](#5851)) Synapse 1.3.0rc1 (2019-08-13) ========================== Features -------- - Use `M_USER_DEACTIVATED` instead of `M_UNKNOWN` for errcode when a deactivated user attempts to login. ([\#5686](#5686)) - Add sd_notify hooks to ease systemd integration and allows usage of Type=Notify. ([\#5732](#5732)) - Synapse will no longer serve any media repo admin endpoints when `enable_media_repo` is set to False in the configuration. If a media repo worker is used, the admin APIs relating to the media repo will be served from it instead. ([\#5754](#5754), [\#5848](#5848)) - Synapse can now be configured to not join remote rooms of a given "complexity" (currently, state events) over federation. This option can be used to prevent adverse performance on resource-constrained homeservers. ([\#5783](#5783)) - Allow defining HTML templates to serve the user on account renewal attempt when using the account validity feature. ([\#5807](#5807)) Bugfixes -------- - Fix UISIs during homeserver outage. ([\#5693](#5693), [\#5789](#5789)) - Fix stack overflow in server key lookup code. ([\#5724](#5724)) - start.sh no longer uses deprecated cli option. ([\#5725](#5725)) - Log when we receive an event receipt from an unexpected origin. ([\#5743](#5743)) - Fix debian packaging scripts to correctly build sid packages. ([\#5775](#5775)) - Correctly handle redactions of redactions. ([\#5788](#5788)) - Return 404 instead of 403 when accessing /rooms/{roomId}/event/{eventId} for an event without the appropriate permissions. ([\#5798](#5798)) - Fix check that tombstone is a state event in push rules. ([\#5804](#5804)) - Fix error when trying to login as a deactivated user when using a worker to handle login. ([\#5806](#5806)) - Fix bug where user `/sync` stream could get wedged in rare circumstances. ([\#5825](#5825)) - The purge_remote_media.sh script was fixed. ([\#5839](#5839)) Deprecations and Removals ------------------------- - Synapse now no longer accepts the `-v`/`--verbose`, `-f`/`--log-file`, or `--log-config` command line flags, and removes the deprecated `verbose` and `log_file` configuration file options. Users of these options should migrate their options into the dedicated log configuration. ([\#5678](#5678), [\#5729](#5729)) - Remove non-functional 'expire_access_token' setting. ([\#5782](#5782)) Internal Changes ---------------- - Make Jaeger fully configurable. ([\#5694](#5694)) - Add precautionary measures to prevent future abuse of `window.opener` in default welcome page. ([\#5695](#5695)) - Reduce database IO usage by optimising queries for current membership. ([\#5706](#5706), [\#5738](#5738), [\#5746](#5746), [\#5752](#5752), [\#5770](#5770), [\#5774](#5774), [\#5792](#5792), [\#5793](#5793)) - Improve caching when fetching `get_filtered_current_state_ids`. ([\#5713](#5713)) - Don't accept opentracing data from clients. ([\#5715](#5715)) - Speed up PostgreSQL unit tests in CI. ([\#5717](#5717)) - Update the coding style document. ([\#5719](#5719)) - Improve database query performance when recording retry intervals for remote hosts. ([\#5720](#5720)) - Add a set of opentracing utils. ([\#5722](#5722)) - Cache result of get_version_string to reduce overhead of `/version` federation requests. ([\#5730](#5730)) - Return 'user_type' in admin API user endpoints results. ([\#5731](#5731)) - Don't package the sytest test blacklist file. ([\#5733](#5733)) - Replace uses of returnValue with plain return, as returnValue is not needed on Python 3. ([\#5736](#5736)) - Blacklist some flakey tests in worker mode. ([\#5740](#5740)) - Fix some error cases in the caching layer. ([\#5749](#5749)) - Add a prometheus metric for pending cache lookups. ([\#5750](#5750)) - Stop trying to fetch events with event_id=None. ([\#5753](#5753)) - Convert RedactionTestCase to modern test style. ([\#5768](#5768)) - Allow looping calls to be given arguments. ([\#5780](#5780)) - Set the logs emitted when checking typing and presence timeouts to DEBUG level, not INFO. ([\#5785](#5785)) - Remove DelayedCall debugging from the test suite, as it is no longer required in the vast majority of Synapse's tests. ([\#5787](#5787)) - Remove some spurious exceptions from the logs where we failed to talk to a remote server. ([\#5790](#5790)) - Improve performance when making `.well-known` requests by sharing the SSL options between requests. ([\#5794](#5794)) - Disable codecov GitHub comments on PRs. ([\#5796](#5796)) - Don't allow clients to send tombstone events that reference the room it's sent in. ([\#5801](#5801)) - Deny redactions of events sent in a different room. ([\#5802](#5802)) - Deny sending well known state types as non-state events. ([\#5805](#5805)) - Handle incorrectly encoded query params correctly by returning a 400. ([\#5808](#5808)) - Handle pusher being deleted during processing rather than logging an exception. ([\#5809](#5809)) - Return 502 not 500 when failing to reach any remote server. ([\#5810](#5810)) - Reduce global pauses in the events stream caused by expensive state resolution during persistence. ([\#5826](#5826)) - Add a lower bound to well-known lookup cache time to avoid repeated lookups. ([\#5836](#5836)) - Whitelist history visbility sytests in worker mode tests. ([\#5843](#5843))
anoadragon453
added a commit
that referenced
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Feb 19, 2020
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