list_omap_sizes.sh

#!/usr/bin/bash

#
# Usage:
#  ./list_omap_sizes.sh {poolname}
#
#


if [ -z "$1" ]; then
    echo
    echo
    echo Please supply the pool name to process.
    echo
    echo
    echo Usage: 
    echo "    $0 {poolname}"
    echo
    echo
    exit 1
fi

pool=$1
objcount=$(ceph df | awk -v pool=$pool '$1==pool { print $NF }')
objlist=$(rados -p $pool ls)

(
echo "object nr_keys nr_values size_values(bytes)"

currobj=0
for obj in $objlist; do
    echo -n $obj\ 
    if [ $(($currobj % 50)) -eq 0 ]; then
        echo >&2
        echo -n Processing $currobj of $objcount:\  >&2
    else
        echo -n . >&2
    fi
    ((currobj++))
    rados -p $pool listomapvals $obj \
        | awk '/^[0-9a-f]{8}/ { next } /^value\ / { gsub(/[^0-9]/,"",$2); valsize+=$2; valcount++; next } /^$/ { next } { keycount++ } END { printf("%i %i %i\n",keycount,valcount,valsize) }'
done
echo >&2
echo >&2

) | column -t