Created
November 21, 2016 10:36
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Redis Key Size
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| #!/usr/bin/env bash | |
| # This script prints out all of your Redis keys and their size in a human readable format | |
| # Copyright 2013 Brent O'Connor | |
| # License: http://www.apache.org/licenses/LICENSE-2.0 | |
| human_size() { | |
| awk -v sum="$1" ' BEGIN {hum[1024^3]="Gb"; hum[1024^2]="Mb"; hum[1024]="Kb"; for (x=1024^3; x>=1024; x/=1024) { if (sum>=x) { printf "%.2f %s\n",sum/x,hum[x]; break; } } if (sum<1024) print "1kb"; } ' | |
| } | |
| redis_cmd='redis-cli -h 10.129.254.149 -p 676' | |
| # get keys and sizes | |
| for k in `$redis_cmd keys "*"`; do key_size_bytes=`$redis_cmd debug object $k | perl -wpe 's/^.+serializedlength:([\d]+).+$/$1/g'`; size_key_list="$size_key_list$key_size_bytes $k\n"; done | |
| # sort the list | |
| sorted_key_list=`echo -e "$size_key_list" | sort -n` | |
| # print out the list with human readable sizes | |
| echo -e "$sorted_key_list" | while read l; do | |
| if [[ -n "$l" ]]; then | |
| size=`echo $l | perl -wpe 's/^(\d+).+/$1/g'`; hsize=`human_size "$size"`; key=`echo $l | perl -wpe 's/^\d+(.+)/$1/g'`; printf "%-10s%s\n" "$hsize" "$key"; | |
| fi | |
| done |
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