Metrics API - Documentation

2019-10-07 Thread Richard Goodman
Hi there, I'm currently working on using the prometheus exporter to provide some detailed insights for our Solr Cloud clusters. Using the provided template killed our prometheus server, as well as the exporter due to the size of our clusters *(each cluster is around 96 nodes, ~300 collections wit

Re: Metrics API - Documentation

2019-10-07 Thread Emir Arnautović
Hi Richard, We do not use API to collect metrics but JMX, but I believe that those are the same (did not verify it in code). You can see how we handled those metrics into reports/charts or even use our agent to send data to Prometheus: https://github.com/sematext/sematext-agent-integrations/tree

Re: json.facet throws ClassCastException

2019-10-07 Thread Mikhail Khludnev
Note. It seems like it's addressed already https://issues.apache.org/jira/browse/SOLR-12330 https://gitbox.apache.org/repos/asf?p=lucene-solr.git;a=commitdiff;h=bf69a40#patch2 On Sat, Oct 5, 2019 at 10:43 AM Andrea Gazzarini wrote: > Hi, problem should be caused by missing surrounding curly br

How to block expensive solr queries

2019-10-07 Thread Wei
Hi, Recently we encountered a problem when solr cloud query latency suddenly increase, many simple queries that has small recall gets time out. After digging a bit I found that the root cause is some stats queries happen at the same time, such as /solr/mycollection/select?stats=true&stats.field=u

Re: How to block expensive solr queries

2019-10-07 Thread Mikhail Khludnev
Hello, Wei. Have you tried to abandon heavy queries with https://lucene.apache.org/solr/guide/8_1/common-query-parameters.html#CommonQueryParameters-ThetimeAllowedParameter ? It may or may not be able to stop stats. https://github.com/apache/lucene-solr/blob/25eda17c66f0091dbf6570121e38012749c07d

investigating high heap memory usage particularly on overseer / collection leaders

2019-10-07 Thread dshih
3-node SOLR 7.4.0 24gb max heap memory 13 collections, each with 500mb-2gb index (on disk) We are investigating high heap memory usage/spikes with our SOLR cluster (details above). After rebooting the cluster, all three instances stay under 2gb for about a day. Then suddenly, one instance (srch0

Re: How to block expensive solr queries

2019-10-07 Thread Wei
Hi Mikhail, Yes I have the timeAllowed parameter configured, still is this case it doesn't seem to prevent the stats request from blocking other normal queries. Is it possible to drop the request before solr executes it? maybe at the jetty request filter? Thanks, Wei On Mon, Oct 7, 2019 at 1:39

Solaris Install Package

2019-10-07 Thread Andrew Corbett
I have been trying to research the possibility of adding Solr to servers running the Solaris 10 and 11 operating systems. Solaris isn't mentioned in the documentation. Would adding Solr to these servers be possible? Would I need to make a feature request?