Support/Scaling: Difference between revisions

category -> Support Archive
No edit summary
(category -> Support Archive)
 
(3 intermediate revisions by 3 users not shown)
Line 13: Line 13:
== Questions about where we are now ==
== Questions about where we are now ==
*how many boxes serve up sumo?
*how many boxes serve up sumo?
We are at 8 boxes.  It is on the PHP5 cluster though so these are shared boxes with most of the applications that we run.
*how many databases are used by sumo?
*how many databases are used by sumo?
Two databases - mrdb80, mrdb81.  Although from my inspections it seems that sumo ONLY uses the master (mrdb80) and has no ability to scale on slaves.  (See https://bugzilla.mozilla.org/show_bug.cgi?id=426253)
*is it possible to adjust NS cache rules to be more squid-like so entries don't randomly expire?
*is it possible to adjust NS cache rules to be more squid-like so entries don't randomly expire?
*has there been a noticeable performance difference after the recent optimizations?
*has there been a noticeable performance difference after the recent optimizations?
*what's currently the bottleneck? (ex: number of hits to the database, the queries we're running, PHP execution...)
Previous bottleneck was requests to the netapp - this has now been fixed by serving pages from local disk.  This took page load times from 14s to 0.5s on average.
*what would be involved in upgrading to MySQL 5? [https://bugzilla.mozilla.org/show_bug.cgi?id=425135#c4]
This looks like it will be a Q2 goal.


== Possible outcomes ==
== Possible outcomes ==
* configure NS to cache all sumo links more aggressively (think super-squid)
*<s>configure NS to cache all sumo links more aggressively (think super-squid)</s>
* use squid if necessary
*<s>use squid if necessary</s>
*cron to auto-pull a static version of SUMO landing page from Fx help, point redirects at this static version
*<s>cron to auto-pull a static version of SUMO landing page from Fx help, point redirects at this static version</s>
*cron to auto-pull static versions of all Fx in-product pages as above
*cron to auto-pull static versions of all Fx in-product pages as above
*back out b5 patch to give us more time to test/scale (last resort)
*<s>back out b5 patch to give us more time to test/scale (last resort)</s>
 
[[Category:Support Archive]]
1,331

edits