Jon Ottar Runde

Extended check for Apache Hadoop hdfs. Checks for dead nodes, unreplicated blocks, full hdfs datastore, and supports performancegraphing of these and several more things

Improved script to check apache hadoop jobtracers. Will parse the admin-webpage, and check number of trackers, blacklisted nodes, heap size and more. Will output performancedata…

Check number of MAC-addresses in memory of a network device. This is usefull i.e. on a checkpoint firewall, where default more then 1024 MAC-addresses will…