I spoke too soon, I figured out how to get VisualVM talking to solr. Now I'm just not sure what to do with it - what sorts of things am I looking for?
On Wed, 6 Nov 2024 at 16:40, Dominic Humphries <domi...@adzuna.com> wrote: > Unfortunately I don't know Java anywhere near well enough to know my way > around a profiler or jstack. I've confirmed JMX is enabled and I can telnet > to the port, but VisualVM fails to connect and gives me no reason as to > why. > > I can post the query and result if that's useful - it doesn't return any > records so there's nothing to censor > > On Wed, 6 Nov 2024 at 15:36, Gus Heck <gus.h...@gmail.com> wrote: > >> If you have access to a test instance where the problem can be reproduced, >> attaching a profiler would be one way. Another cruder method is to use >> jstack to dump all the threads. >> >> Another way to tackle this is to help us reproduce your problem. Can you >> share details about your query? Obviously, please don't post anything your >> company wouldn't want public, but if you can share some details that would >> be a start. >> >> The ideal thing would be to provide a minimum working example of the >> problem you are experiencing. >> >> On Wed, Nov 6, 2024 at 9:55 AM Dominic Humphries >> <domi...@adzuna.com.invalid> >> wrote: >> >> > I've tried both timeAllowed and cpuAllowed and neither are restricting >> the >> > amount of time the queries take to run. I have a test query that's >> reliably >> > taking 20-30 seconds, if there's any useful debug params or such I can >> run >> > to provide the information you want I'm happy to run them - I'm not sure >> > how to usefully interrogate solr for where its time is being spent, >> sorry >> > >> > Thanks >> > >> > On Wed, 6 Nov 2024 at 14:25, Gus Heck <gus.h...@gmail.com> wrote: >> > >> > > There are unit tests that seem to suggest that timeAllowed still >> works, >> > can >> > > you provide some more information about your use case? Particularly >> > > important is any information about where (what code) your queries are >> > > spending a lot of time in if you have it. >> > > >> > > On Wed, Nov 6, 2024 at 6:18 AM Dominic Humphries >> > > <domi...@adzuna.com.invalid> >> > > wrote: >> > > >> > > > Hi folks, >> > > > >> > > > we're testing Solr 9.7 to upgrade our existing 8.11 stack. We're >> > seeing a >> > > > problem with long requests: we send `timeAllowed=4900` which works >> fine >> > > on >> > > > the existing 8.11 and keeps requests to just a few seconds. >> > > > >> > > > With 9.7, however, the flag is basically ignored - requests can take >> > over >> > > > 30 seconds whether the flag is present or not, which is causing >> higher >> > > CPU >> > > > load and slowing response times. >> > > > >> > > > I've tried setting the flag suggested in >> > > > >> > > > >> > > >> > >> https://solr.apache.org/guide/solr/latest/upgrade-notes/major-changes-in-solr-9.html#use-of-timeallowed >> > > > - but even with solr.useExitableDirectoryReader set we still don't >> get >> > > the >> > > > desired behaviour. >> > > > >> > > > Is there anything else I can try to get the old behaviour back? >> > > > >> > > > Thanks >> > > > >> > > >> > > >> > > -- >> > > http://www.needhamsoftware.com (work) >> > > https://a.co/d/b2sZLD9 (my fantasy fiction book) >> > > >> > >> >> >> -- >> http://www.needhamsoftware.com (work) >> https://a.co/d/b2sZLD9 (my fantasy fiction book) >> >
