Dec 12

monitoring Apache SolrApache Solr is an open source enterprise search service from the Lucene project. Solr is written in Java and runs as a standalone full-text search server within a servlet container such as Tomcat.

Like any service or component in your architecture, you’ll want to monitor it to ensure that it’s available and gather performance data to help with tuning.

In this post, we’ll look at how we can monitor Solr, what performance metrics we might want to gather and how we can easily achieve this with Opsview.

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Dec 07

The JNRPE server provides an open source Java implementation of the Nagios Remote Plugin Executor (NRPE). This is much more efficient for performing JMX checks than regular NRPE as you only need to start one JVM rather than a JVM instantiation per check (as performed by check_jmx invoking java -jar JMXQuery.jar).

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