nicolas, an aggregate-size of 10MB (in write-behind) is just too high to be used on the client size. please unset it and try. avati 2008/4/9, nicolas prochazka <prochazka.nicolas@xxxxxxxxx>: > > Hi, > > I'm working with file of 10 Go size. > When I read file all is ok and seems to be worked fine with glusterfs > If I read and write one file in the same time, all is bad : > - gluster client and server takes a lot of resources ( 30 %- 60 % of > cpu) > - write is very very slowly and does not work , read also seems to > be cycling > > I'm trying with two configuration > > Computer 1 : client > Computer 2 : server > > computer1 ---> Read big file and write in local <---> computer2 : > works fine > computer1 ---> Read and Write big file <---> computer2 : not work > computer2 become client also so i mount gluster in local : Read and > Write big file : not work. (gluterfs and glusterfsd take a lot of > ressource) > > I'm trying differents client / server configuration without success > > Any idea ? > Regards, > Nicolas Prochazka. > > > > things to know : > - glusterfs 1.3.8pre5 > - fuse : fuse-2.7.2glfs9 > > ------------------ > Computer 2 : Server configuration > ---------------------------------------------------- > volume brick1 > type storage/posix > option directory /mnt/disks/export > end-volume > > > volume brick > type performance/io-threads > option thread-count 8 > option cache-size 1000MB > subvolumes brick1 > end-volume > > > volume readahead-brick > type performance/read-ahead > option page-size 2M > option page-count 128 > subvolumes brick > end-volume > > > > volume server > option window-size 2097152 > type protocol/server > subvolumes readahead-brick > option transport-type tcp/server # For TCP/IP transport > option client-volume-filename /etc/glusterfs/glusterfs-client.vol > option auth.ip.brick.allow * > end-volume > > > > ---------------------------------------- > computer 1 ------ client > ----------------------------------------- > volume client1 > option window-size 2097152 > type protocol/client > option transport-type tcp/client > option remote-host 10.98.98.1 > option remote-subvolume brick > end-volume > > volume readahead > type performance/read-ahead > option page-size 2MB > option page-count 64 > subvolumes client1 > end-volume > > volume iothreads > type performance/io-threads > option thread-count 32 > subvolumes readahead > end-volume > > volume io-cache > type performance/io-cache > option cache-size 1000MB # default is 32MB > option page-size 1MB #128KB is default option > option force-revalidate-timeout 100 # default is 1 > subvolumes iothreads > end-volume > > volume writebehind > type performance/write-behind > option aggregate-size 10MB # default is 0bytes > option flush-behind on # default is 'off' > subvolumes io-cache > end-volume > > > _______________________________________________ > Gluster-devel mailing list > Gluster-devel@xxxxxxxxxx > http://lists.nongnu.org/mailman/listinfo/gluster-devel > -- If I traveled to the end of the rainbow As Dame Fortune did intend, Murphy would be there to tell me The pot's at the other end.
