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Plugins allow you to monitor anything and everything with Nagios – databases, operating systems, applications, network equipment, protocols and more!

Showing 1597-1608 of 4396 Plugins.

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Check the number of RegionServers that are dead or alive using HBase Stargate Rest API (Thrift API doesn't support this information at time of writing)
Various checks against the Hadoop HDFS Cluster via the Namenode JSP pages including NameNode Heap usage
Checks metrics from a given Hadoop daemon's JMX /metrics page, supports JobTracker, TaskTracker, HBase Master & RegionServer
Detects which MapReduce nodes aren't active in the JobTracker if given a node list - checks optional thresholds for the maximum number of missing nodes…
Checks % HDFS space used. Based off an earlier plugin I wrote in 2010 that we used in production for over 2 years before replacing…
Various HDFS checks based on dfsadmin -report, unified version of various HDFS plugins I've written over the years