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#!/usr/bin/bash

HDFSUSER=hdfs
URFILES=/tmp/under_replicated_files

sudo -u $HDFSUSER hdfs fsck / | grep 'Under replicated' | awk -F':' '{print $1}' >> $URFILES
sudo -u $HDFSUSER for hdfsfile in `cat $URFILES`; do echo "Fixing $hdfsfile :" ;  hdfs dfs -setrep 3 $hdfsfile; done