Maniphest T219523

Session storage Cassandra metrics (Prometheus) not being collected
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	Eevans
	Mar 28 2019, 4:09 PM

Description

r497848 was recently merged with the expectation that Prometheus would begin collecting Cassandra metrics, but that does not appear to be the case.

Details

	Subject	Repo	Branch	Lines +/-
	monitoring hostgroups: rename 'sessions' to 'sessionstore'	operations/puppet	production	+2 -2
	sessionstore: add and use 'sessionstore' cluster	operations/puppet	production	+7 -1

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Status	Assigned	Task
Resolved	aaron	T88445 MediaWiki active/active datacenter investigation and work (tracking)
Resolved	Eevans	T206016 Create a service for session storage
Resolved	Eevans	T215883 Session storage Cassandra cluster configuration
Resolved	fgiunchedi	T219523 Session storage Cassandra metrics (Prometheus) not being collected

Event Timeline

Eevans created this task.Mar 28 2019, 4:09 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptMar 28 2019, 4:09 PM

fgiunchedi added a project: User-fgiunchedi.Mar 28 2019, 4:42 PM

Eevans added a parent task: T215883: Session storage Cassandra cluster configuration.Apr 1 2019, 2:28 PM

Change 501345 had a related patch set uploaded (by Filippo Giunchedi; owner: Filippo Giunchedi):
[operations/puppet@production] sessionstore: add and use 'sessionstore' cluster

https://gerrit.wikimedia.org/r/501345

gerritbot added a project: Patch-For-Review.Apr 4 2019, 4:05 PM

Change 501345 merged by Filippo Giunchedi:
[operations/puppet@production] sessionstore: add and use 'sessionstore' cluster

https://gerrit.wikimedia.org/r/501345

We're on: (more targets will appear as puppet runs)

root@prometheus1003:/srv/prometheus/services# cat targets/cassandra_sessionstore_production_eqiad.yaml 
# This file is managed by puppet
- labels:
    cluster: sessionstore
  targets:
  - sessionstore1001-a:7800

Change 501361 had a related patch set uploaded (by CDanis; owner: CDanis):
[operations/puppet@production] monitoring hostgroups: rename 'sessions' to 'sessionstore'

https://gerrit.wikimedia.org/r/501361

Change 501361 merged by CDanis:
[operations/puppet@production] monitoring hostgroups: rename 'sessions' to 'sessionstore'