On Tue, 3 May 2016, Gregory Farnum wrote: > >> In those leveldb tests we only saw writes and write trims hit by those > >> periodic 10-60 second high-latency spikes, but if I recall the mon has (or at > >> least had?) a global lock where write stalls would basically make the whole > >> monitor stall. I think Joao might have improved that after we did this > >> testing but I don't remember the details at this point. > > > > I don't think any of this locking has changed... > > The paxos state machine is no longer blocked for reads while an > unrelated write is happening. Nor are older-version reads on the > writing subsystem. That fix is post-firefly, right? Oh yeah, it was new in hammer, I think. I forgot those tests were that old! sage -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
