On Feb 21, 2012, at 12:40 PM, Gregory Farnum wrote: > > That's pretty much expected. -t is not actually controlling the number > of threads, but the number of requests the rados tool will dispatch at > a time. With -t 1 you're telling it to send a single request, wait for > it to commit, then dispatch another request. (ie, latency bound) With > -t 10 you are dispatching 10 requests and dispatching a new one > whenever one of those comes back. (ie, mostly bandwidth bound)
Should the expectation be 30 MB/s (the slowest disk) or 1/3 of that for triplication? I was under the impression that the ack came back for being in memory on 2 of the 3 nodes. > -Greg -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
