759627 - Add gzip compression to slavealloc UI requests

Status: RESOLVED FIXED

(Release Engineering :: General, defect, P2)

Description

[Nick Thomas [:nthomas] (UTC+12)]

Loading slavealloc has become painful for me - 10 to 20 seconds to get 
  http://slavealloc.build.mozilla.org/ui/#slaves
ready for action. Not all of this can be blamed on soggy string connections to the South Pacific. The biggest offender is requests to 
  http://slavealloc.build.mozilla.org/api/slaves [HTTP/1.1 200 OK 4101ms]

Adding gzip compression helps in slavealloc-staging.

Comment 1

[Nick Thomas [:nthomas] (UTC+12)]

Bear I dropped this in /etc/nginx/conf.d/slavealloc-staging.conf
        gzip on;
        gzip_types text/css application/x-javascript application/json;
        gzip_comp_level 3;
and got load times 2 to 3 times quicker on the slaves request. It deliberately leaves out text/plain so that gettac requests can't be regressed.

I propose we put this in both slavealloc configs. How does it look ?

Puppet doesn't seem to be running on this box, but scl3 nagios sure is persistent about wanting to talk to it.

Comment 2

[Mike Taylor [:bear]]

(In reply to Nick Thomas [:nthomas] from comment #1)
> Bear I dropped this in /etc/nginx/conf.d/slavealloc-staging.conf
>         gzip on;
>         gzip_types text/css application/x-javascript application/json;
>         gzip_comp_level 3;
> and got load times 2 to 3 times quicker on the slaves request. It
> deliberately leaves out text/plain so that gettac requests can't be
> regressed.
> 
> I propose we put this in both slavealloc configs. How does it look ?
> 
> Puppet doesn't seem to be running on this box, but scl3 nagios sure is
> persistent about wanting to talk to it.

good catch! I'm surprised we went this long without noticing that we were *not* doing gzip.

+1

Comment 3

[Nick Thomas [:nthomas] (UTC+12)]

I added the change to slavealloc.conf and slavealloc-staging.conf and reloaded nginx.