That approach sounds great. --wunder On Apr 7, 2013, at 9:40 AM, Alan Woodward wrote:
> I've been thinking about how to improve this reporting, especially now that > metrics-3 (which removes all of the funky thread issues we ran into last time > I tried to add it to Solr) is close to release. I think we could go about it > as follows: > > * refactor the existing JMX reporting to use metrics-3. This would mean > replacing the SolrCore.infoRegistry map with a MetricsRegistry, and adding a > JmxReporter, keeping the existing config logic to determine which JMX server > to use. PluginInfoHandler and SolrMBeanInfoHandler translate the metrics-3 > data back into SolrMBean format to keep the reporting backwards-compatible. > This seems like a lot of work for no visible benefit, but… > * we can then add the ability to define other metrics reporters in > solrconfig.xml. There are already reporters for Ganglia and Graphite - you > just add then to the Solr lib/ directory, configure them in solrconfig, and > voila - Solr can be monitored using the same devops tools you use to monitor > everything else. > > Does this sound sane? > > Alan Woodward > www.flax.co.uk > > > On 6 Apr 2013, at 20:49, Walter Underwood wrote: > >> Wow, that really doesn't help at all, since these seem to only be reported >> in the stats page. >> >> I don't need another non-standard app-specific set of metrics, especially >> one that needs polling. I need metrics delivered to the common system that >> we use for all our servers. >> >> This is also why SPM is not useful for us, sorry Otis. >> >> Also, there is no time period on these stats. How do you graph the 95th >> percentile? I know there was a lot of work on these, but they seem really >> useless to me. I'm picky about metrics, working at Netflix does that to you. >> >> wunder >> >> On Apr 3, 2013, at 4:01 PM, Walter Underwood wrote: >> >>> In the Jira, but not in the docs. >>> >>> It would be nice to have VM stats like GC, too, so we can have common >>> monitoring and alerting on all our services. >>> >>> wunder >>> >>> On Apr 3, 2013, at 3:31 PM, Otis Gospodnetic wrote: >>> >>>> It's there! :) >>>> http://search-lucene.com/?q=percentile&fc_project=Solr&fc_type=issue >>>> >>>> Otis >>>> -- >>>> Solr & ElasticSearch Support >>>> http://sematext.com/ >>>> >>>> On Wed, Apr 3, 2013 at 6:29 PM, Walter Underwood <wun...@wunderwood.org> >>>> wrote: >>>>> That sounds great. I'll check out the bug, I didn't see anything in the >>>>> docs about this. And if I can't find it with a search engine, it probably >>>>> isn't there. --wunder >>>>> >>>>> On Apr 3, 2013, at 6:39 AM, Shawn Heisey wrote: >>>>> >>>>>> On 3/29/2013 12:07 PM, Walter Underwood wrote: >>>>>>> What are folks using for this? >>>>>> >>>>>> I don't know that this really answers your question, but Solr 4.1 and >>>>>> later includes a big chunk of codahale metrics internally for request >>>>>> handler statistics - see SOLR-1972. First we tried including the jar >>>>>> and using the API, but that created thread leak problems, so the source >>>>>> code was added. >>>>>> >>>>>> Thanks, >>>>>> Shawn >> >> >> >> > -- Walter Underwood wun...@wunderwood.org
