Tim Starling has submitted this change and it was merged.
Change subject: Reduce non-video job queue size from 320 to 144
......................................................................
Reduce non-video job queue size from 320 to 144
Shortly the number of processes per server was increased from 5 to 12
(Ifc00708b8d), Asher, unaware of the reasons for a sudden increase in DB
problems caused by the job queue, introduced a limit in MySQL wikiadmin
connections of 80, to cause the job runners to fail if work is
concentrated on a single master. The current jobs-loop.sh goes into a
tight loop when faced with this failure scenario, and there have been
periods when 35 connection errors per second were logged.
Reduce the limit from 12 to 7 processes per server, and from 8 to 2
"immediate priority" processes, so that the total number of processes
(144) will now fall under the newly-raised wikiadmin process limit of
200.
Change-Id: Ie5bb11b0ee41b31b0509cfead13edace83c088f4
---
M manifests/role/applicationserver.pp
1 file changed, 1 insertion(+), 1 deletion(-)
Approvals:
Tim Starling: Verified; Looks good to me, approved
Aaron Schulz: Looks good to me, but someone else must approve
jenkins-bot: Verified
diff --git a/manifests/role/applicationserver.pp
b/manifests/role/applicationserver.pp
index 0b914ce..79d1a3d 100644
--- a/manifests/role/applicationserver.pp
+++ b/manifests/role/applicationserver.pp
@@ -191,7 +191,7 @@
class { "role::applicationserver::common": group => "jobrunner"
}
- class { "mediawiki::jobrunner": dprioprocs => 12, iprioprocs =>
8, run_jobs_enabled => $run_jobs_enabled }
+ class { "mediawiki::jobrunner": dprioprocs => 7, iprioprocs =>
2, run_jobs_enabled => $run_jobs_enabled }
include applicationserver::config::php,
applicationserver::config::base,
applicationserver::packages,
--
To view, visit https://gerrit.wikimedia.org/r/57030
To unsubscribe, visit https://gerrit.wikimedia.org/r/settings
Gerrit-MessageType: merged
Gerrit-Change-Id: Ie5bb11b0ee41b31b0509cfead13edace83c088f4
Gerrit-PatchSet: 5
Gerrit-Project: operations/puppet
Gerrit-Branch: production
Gerrit-Owner: Tim Starling <[email protected]>
Gerrit-Reviewer: Aaron Schulz <[email protected]>
Gerrit-Reviewer: Asher <[email protected]>
Gerrit-Reviewer: Pyoungmeister <[email protected]>
Gerrit-Reviewer: Tim Starling <[email protected]>
Gerrit-Reviewer: jenkins-bot
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