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#!/usr/bin/env bash

# vim:ts=4:sts=4:sw=4:et

# Author: Hari Sekhon

# Date: 2018-07-11 19:26:21 +0100 (Wed, 11 Jul 2018)

# https://github.com/harisekhon/devops-python-tools

# License: see accompanying Hari Sekhon LICENSE file

# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish

# https://www.linkedin.com/in/harisekhon

# Find regions that require major_compact after region migration to achieve data locality again

# Tested on Hortonworks HDP 2.6 (HBase 1.1.2) and Apache HBase 1.3.1

set -euo pipefail

[ -n "${DEBUG:-}" ] && set -x

usage(){

echo "usage: $0 <list of regionservers>"

exit 1

}

port="${REGIONSERVER_PORT:-16030}"

if [ $# -lt 1 ]; then

usage

for server in "$@"; do

curl -s "$server:$port/jmx" |

grep 'compactionsCompletedCount"[[:space:]]*:[[:space:]]*0,$' |

sed 's/.*_table_//; s/_region_/ /; s/_metric_.*//' |

column -t

done