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A: Here are a few things to check and do:
- Log into your monitored servers and make sure there are running SPM monitor processes (there should be more than one of them)
- Check if system time is correct. If not, you should adjust the time, restart the SPM monitor with:
sudo service spm-monitor restart
and restart any other javaagent (in-process) based SPM Monitors by restarting your server which is being monitored.
- Check network connectivity (see previous question)
- Make sure disks are not full.
Make sure user spmmon can have more than 1024 files open:
Code Block language bash sudo vim /etc/security/limits.conf spmmon - nofile 32000 sudo vim /etc/pam.d/su session required pam_limits.so
Restart SPM Monitor after the above changes.
- Check if hostname of your server is defined in /etc/hosts
- If you are starting your Jetty (or some other server) with command like "java ... -jar start.jar ..." and using inprocess (javaagent) version of monitor, make sure -D and -javaagent definitions occur before "-jar start.jar" part in your command
- If none of the suggestions helped, run sudo bash /opt/spm/bin/spm-client-diagnostics.sh to generate diagnostics package and send it to spm-support@sematext.com
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A: Filters have 1 day granularity, which means that a server will be listed under Hosts filter until 24 hours since it last sent data have passed. For example, if a server stopped sending data at 1 PM and if at 8 PM you are looking at the last 6 hours of data (for a period from 2 PM until 8 PM) you will not see data from this server on the graph, but you will still see this server listed under the Hosts filter until 1 PM on the following day. After 1 PM on the following day this server should disappear from the Hosts filter.
I rebooted my server and now I don't see any data in my graphs. What should I check
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I am using SPM for Solr and I don't see any data on Solr and JVM reports, what is the problem
A: You should probably enable JMX in your Solr. Add or uncomment the <jmx /> directive in solrconfig.xml and restart Solr. See http://wiki.apache.org/solr/SolrJmx for more info.
I am using SPM for Solr and I don't see any data only in Solr Components or Errors reports, what should I do
A: Most likely you are using standalone variant of Solr monitor. In that case, SPM monitor can't collect metrics which are available only when running in-process. If so, switch to in-process (javaagent) version of SPM monitor.
Elasticsearch Monitoring
Why doesn't the number of documents I see in SPM match the number of documents in my Elasticsearch index
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