test_bucket_props.sh

#!/bin/bash

# You may need to replace "jot" with "seq" if you're on Linux instead of OSX.
# Also, you may need to find a replacement for "uuidgen" if you don't have it.

function setprops() {
    for i in `jot 10`; do
        name="test=`uuidgen`"
        curl -v -X PUT -H "Content-Type: application/json" \
            -d '{"props":{"n_val":5}}' http://127.0.0.1:8098/riak/$name \
            > /dev/null 2>&1
    done
}

for j in `jot 10`; do
    time (setprops) 2> >(grep real)
done

One very weedy dev VM, a single riak node.

real 0m5.929s
real 0m4.785s
real 0m5.327s
real 0m6.812s
real 0m7.702s
real 0m9.699s
real 0m9.341s
real 0m10.275s
real 0m11.703s
real 0m12.132s