+1 We have experience with this module in Production and it's a great source of info. Very lightweight.
On Wednesday, November 19, 2014, Pierre-Yves Chibon <[email protected]> wrote: > On Wed, Nov 19, 2014 at 09:43:58AM -0500, Ralph Bean wrote: > > Hi all- > > > > Memcached has been locking up on us lately. If I remember correctly > > it was Saturday morning, then again Monday morning, and it did it > > again today (which manifested in a badges.fedoraproject.org outage for > > users). > > > > We currently don't have any collectd monitoring directly on memcached. > > Here's an ansible patch that should add it. Since we're in freeze, > > this would need two +1s in order to be able to be applied. > > > > If, for some reason it was broken or hosed up, I could revert it by > > removing the /etc/collectd.d/memcached.conf file on both memcached > > servers and subsequently restarting the memcached daemon. > > > > Patch follows: > > > > From 6535e0344f4db5b0eb00aeb37007c92f471d7224 Mon Sep 17 00:00:00 2001 > > From: Ralph Bean <[email protected] <javascript:;>> > > Date: Wed, 19 Nov 2014 14:37:50 +0000 > > Subject: [PATCH] Add collectd monitoring for the memcached daemon. > > > > --- > > playbooks/groups/memcached.yml | 1 + > > roles/collectd/memcached/files/memcached.conf | 6 ++++++ > > roles/collectd/memcached/tasks/main.yml | 8 ++++++++ > > 3 files changed, 15 insertions(+), 0 deletions(-) > > create mode 100644 roles/collectd/memcached/files/memcached.conf > > create mode 100644 roles/collectd/memcached/tasks/main.yml > > > > diff --git a/playbooks/groups/memcached.yml > b/playbooks/groups/memcached.yml > > index 5fc955b..90d52b0 100644 > > --- a/playbooks/groups/memcached.yml > > +++ b/playbooks/groups/memcached.yml > > @@ -31,6 +31,7 @@ > > - hosts > > - fas_client > > - collectd/base > > + - collectd/memcached > > - sudo > > - memcached > > > > diff --git a/roles/collectd/memcached/files/memcached.conf > b/roles/collectd/memcached/files/memcached.conf > > new file mode 100644 > > index 0000000..d59815b > > --- /dev/null > > +++ b/roles/collectd/memcached/files/memcached.conf > > @@ -0,0 +1,6 @@ > > +LoadPlugin memcached > > + > > +<Plugin memcached> > > + Host "localhost" > > + Port "11211" > > +</Plugin> > > diff --git a/roles/collectd/memcached/tasks/main.yml > b/roles/collectd/memcached/tasks/main.yml > > new file mode 100644 > > index 0000000..3023af7 > > --- /dev/null > > +++ b/roles/collectd/memcached/tasks/main.yml > > @@ -0,0 +1,8 @@ > > +--- > > + > > +- name: Copy in the memcached collectd config > > + copy: src=memcached.conf dest=/etc/collectd.d/memcached.conf > > + tags: > > + - collectd > > + - memcached > > + notify: restart collectd > > > Looks fine to me and easy to revert in the worst case. > > +1 > > Pierre >
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