> I've been running 2.0.3 with two backend bricks and a frontend client of > mod_gluster/apache 2.2.11+worker for a few weeks now without much issue. > ?Last night i upgraded to 2.0.6 only to find out that mod_gluster has been > removed and is recommending to use the booster library - which is fine but i > didnt have time to test it last night so i just mounted the whole filesystem > with a fuse mount and figured id test the booster config later and then > swap. ?I did try running the 2.0.3 mod_gluster module with the 2.0.6 bricks > but apache kept segfaulting (every 10 seconds) and then would spawn another > process which would reconnect and keep going. ?I figured it was dropping a > client request every few seconds which is why i went with the fuse mount > until i could test the booster library. That would not work, swapping binaries across versions. > Well, before with mod_gluster, we would be pushing around 200mbit of web > traffic and it would evenly distribute that 200mbit between our two bricks - > so server1 would be pushing 100mbit and server2 would be pushing another > 100mbit. ?Basically both inbound from the backend bricks and outbound from > apache was basically identical. ?Except of course if one of the backend > glusterd processes died for whatever reason the other remaining brick would > take the whole load and its traffic would double as you would expect. > ?Perfect, all was happy. > > Now using gluster 2.0.6 and fuse both server bricks are pushing the full > 200mbit of traffic - so i basically have 400mbit of incoming traffic from > the gluster bricks but the same 200mbit of web traffic. ?I can deal, but i > only have a shared gigabit link between my client server and backend bricks > and im already eating up basically 50% of that pipe. ?It is also putting a > much larger load on both bricks since i have basically doubled the disk IO > time and traffic. ?Is this a feature? Bug? If I understand correct, 2.0.3 mod_glusterfs = 1x, 2.0.6 fuse = 2x? Can you describe the files being served? (average file size and number of files) Avati
