hadoop-hbase-tools

Small collections of Ruby scripts that make running Hadoop / HBase clusters easier

Fair Scheduler

root@server:/usr/share/diamond/user_scripts# ./fair_scheduler.rb -h
Usage: scheduler_metrics -s [hadoop_jobtracker]
    -s, --server SERVER              Hadoop JobTracker
    -k, --prefix PREFIX              Graphite key prefix
    -h, --help                       Display this screen

Example output

root@server:/usr/share/diamond/user_scripts# ./fair_scheduler.rb -s jobs-aa-hnn -p mykey
fairscheduler.pool.pool1.jobs 4
fairscheduler.pool.pool1.maps 3
fairscheduler.pool.pool1.reduces 1
fairscheduler.pool.pool2.jobs 0
fairscheduler.pool.pool2.maps 0
fairscheduler.pool.pool2.reduces 0
fairscheduler.pool.pool3.jobs 0
fairscheduler.pool.pool3.maps 0