On Wed, 10 Oct 2018, Nick Fisk wrote: > Following up from a discussion on the performance call last week. > > Is anybody able to confirm the behaviour of Bluestore deferred writes with new objects? > > From my testing it appears that new object are always directly written to the underlying block device and not buffered into flash, > whereas existing objects <64KB are. I just did a quick test (on master) and it looks like the deferred writes are working as expected in that they *do* apply to new objects (as well as existing ones). Can you be a bit more specific about what you observed? (which version? what workload?) Thanks! sage
