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Juned Memon 2010-10-29 05:36:49 +02:00 • committed by Steve Schnepp
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plugins/other/hadoop-under_replicated-blocks Executable file
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#!/bin/sh
#Author Juned Memon www.tipsNtrapS.com (juned.memon@tipsntraps.com)
#To Check how stable the Hadoop filesystem is, we generally check number of under-replicated nodes in hadoop. This plugin graphs the under-replicated nodes in hadoop.
case $1 in
config)
cat <<'EOM'
graph_title Under Replicated Blocks Hadoop
graph_category Dxtv
graph_vlabel block
block.label block
EOM
exit 0;;
esac
echo -n "block.value "
hadoop dfsadmin -report | grep "Under replicated blocks" | awk '{print $4}'