Makes sense. Thanks, Happy Canada Day, Greg
On Fri, Jun 30, 2017 at 7:03 PM, Alan Hodgson <[email protected]> wrote: > On Fri, 2017-06-30 at 18:55 -0400, Greg Dickie wrote: > > So I went back and explicitly set compress none. Apparently it > > defaults to "client fast". It seems faster now although the size of > > the estimate has doubled. What is the deal with compression. > > Everything I've seen implies disabling compression on the drive and > > using software. Is that the case? > > > > It supposedly makes estimates more accurate. And cuts down on holding > disk and network use. But there's no way you can pull data off one > client at 300MB/sec using software compression (maybe if you had a _lot_ > of cores and used pigz). > > It is useful if you're backing up many clients, doing the compression > client-side, and you have a holding disk. > > With your setup, if your data is compressible, you should probably use > hardware compression. > -- Greg Dickie just a guy 514-983-5400
