Hi Folks, Perf meeting is on in ~40 minutes!  Discussion topics for today include Deep Scrubbing strategies by Robert Bruno and Luke Higgins at Morgan Stanley and some critical performance issues we discovered with DeleteRange in RocksDB 6.1.2.  See you there! Etherpad: https://pad.ceph.com/p/performance_weekly Bluejeans: https://bluejeans.com/908675367 Thanks, Mark