basho/riak_kv — pull request #305 by seancribbs (2012-03-20 15:38:05+00:00)
Title: Instrument KV get latency in the worker

This adds some latency timing traces to the `riak_kv_pipe_get` vnode worker so that pipes that have large workloads can detect when fetching the KV object is the bottleneck. Errors (like `notfound`) are instrumented as well as successful fetches.