john allspaw wrote: > Heya - > > So we just upgraded our Solr install to 1.4, and there's a great CPU drop > and query response time drop. Good! > But we're seeing the slowdown in the collection of statistics (stats.jsp) > mentioned here: > > http://www.mail-archive.com/solr-user@lucene.apache.org/msg30224.html > > to the tune of taking >100 seconds just to load it, I suspect that it does > indeed (as mentioned in the thread above) that is has something to do with > the > fieldCache additions in 1.4. Loading stats.jsp on 1.3 with the same index > was pretty much instantaneous. > > We (probably obviously) take things like avgTimePerRequest and > avgRequestsPerSecond, cache hit ratios, evictions, etc. from stats.jsp and > use it for both alerting (on thresholds) as well as > tracking/trending/graphing/etc. > > Question: is there any plan to return this page to its previous fastness? > Either by making optional the fieldCache stuff, or having an alternate > method to get those metrics? > Because at the moment, running 1.4 in production means essentially flying > blind without those. :) > > cheers, > j > > Yes, there is a plan for this. As far as I'm concerned, this is essentially a bug and it def needs to be fixed. Checking FieldCache size *needs* to be optional on the stat page. Not sure if there is a JIRA issue to fix this yet, but feel free to make one if there is not. Needs a resolution.
There is also a new StatsRequestHandler in the works I believe. -- - Mark http://www.lucidimagination.com
