Page Comparison

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A: If other Solr/ES charts are showing the data, it is most likely that there were no requests sent to your Solr/ES in the time range you are looking at. Try sending some queries and see if request rate/latency charts will show them. If they don't, please send us an email to spm-support@sematext.com or contact us in chat.

I am not seeing any data in SPM charts, how do I check if network connectivity is OK

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A: SPM agents send the data to SPM backend (hosted on sematext.com machines) so it is important that machines where you install SPM agent can access the internet. Things to check to ensure network connectivity is ok:

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A: Here are a few things to check and do:

1. Log into your monitored servers and make sure there are running SPM monitor processes (there should be more than one of them)
2. 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.

3. Check network connectivity (see previous question)
4. Make sure disks are not full.

5. 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.

6. Check if hostname of your server is defined in /etc/hosts
7. 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
8. 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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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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