Hi, On 2018-06-22 11:41:45 -0400, Adam Brusselback wrote: > > Is there some way to make it auto-detect when it should be enabled? If > not, please document that it should be used on ZFS and any other file > system with CoW properties on files. > In addition to this, wondering what type of performance regression this > would show on something like ext4 (if any). It's a *massive* regression on ext4 & xfs. You can very trivially compare the performance of a new cluster (which doesn't have files to recycle) against one that's running for a while. Greetings, Andres Freund
