We've say 2-3x speed decrease using HTTP vs SSH in our cloud. With SSH and some tuning we are getting close to the IO rate on the end server of any size. HTTP/mod_dav and RTT is usually the culprit in our cases, on a LAN that issues collapses. Likely server side processing of the delta's?
-jacek On Thu, Jul 6, 2017 at 1:54 PM, Paul Hammant <p...@hammant.org> wrote: > For something that's 500MB in size (random binary data) I'm experiencing > commits taking > 10x longer than a straight copy to the drive the Svn repo is on. > > Both timings are on the same Ubuntu 17.04 machine, with the boot drive > being the starting position of the 512MB file and a USB3 mounted 4TB > seagate hard drive being the destination. > > My goal is to fill the 4TB drive with commits for the simple experience of > that. > > How many places in the Apache2 --> mod_dav --> mod_dav_svn handoff does > the 512MB temporarily manifest itself in a file system on the way to its > ultimate destination? Is 1/10th speed the expectation? Sure, I get that > 7bit/8bit shenanigans are a factor, but not that much right? > > - Paul > > -- Jacek Materna CTO Assembla +1 210 410 7661 +48 578 296 708
