#Map Reduce Delete Instructions
Set allow_strfun true on all nodes:
echo "rpc:multicall([node() | nodes()], application,set_env,[riak_kv,allow_strfun,true])." | bin/riak attach
Insert 15000 keys:
for i in {1..15000}; do curl -XPUT http://127.0.0.1:9000/buckets/test/keys/test$i -H "content-type: text/plain" -d "Data #$i\n"; done