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Administrating Solr by Surendra Mohan

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Agent-based health checks

In the previous section, we have learned about agent-less health checks. That is, checking the health of our Solr server remotely. Here in this section, we will learn about agent based health checks.

Agent based health is defined as the check which can be performed locally and is advanced in nature compared to the agent-less check.

We can even run checks over Nagios Remote Plugin Executor (NRPE), which might operate at operating system level and could include:

  • Memory unitization
  • Disk utilization
  • CPU load
  • Active Java servlet container process
  • JMX checks such as heap memory, custom MBeans and so on.
  • Exception logs
  • Age of a file

The Solr wiki describes how to configure the JMX support, http://wiki.apache.org/solr/SolrJmx.

We will see ...

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