Hey guys, never mind. its MC copy slow. using other methods or even native cp does it with right speed. sorry.
2015-07-18 23:26 GMT+03:00 Mathieu Chateau <[email protected]>: > These numbers are not helpfull without context : > > - Raid level > - Number of disks > - nature & size of files > > What do you get for this sample? > dd if=/dev/zero of=sample.txt bs=50M count=1 > > Test it accross differents cases to get a baseline: > > - Local disk on client > - Locak disk on each brick > - through gluster from client > > Once you have your baseline, you can start to tune system and see changes > based on it. > > > Cordialement, > Mathieu CHATEAU > http://www.lotp.fr > > 2015-07-18 22:11 GMT+02:00 Roman <[email protected]>: > >> But when I'm inside of VM, I'm getting 50-53 MB/s for replica and 120 MB >> for distributed volumes... >> whats the logic? that slow write speed directly to mounted gfs volume >> slows down backup and restore process of VMs by VE. >> >> 2015-07-18 22:47 GMT+03:00 Roman <[email protected]>: >> >>> Hi, >>> >>> Looked a lot from forums, but didn't find much.. >>> So I've got glusterfs 3.6.4 >>> 1 Gbps network >>> replicate and distributed volumes >>> >>> so when i read from any of them, I get maxed-out network performance >>> (around 80-120 MB/sec) >>> If i write to distributed volume, I get 16 MB/sec >>> If i write to replicated volume, I get around half of it (which is >>> logical) 8-10MB/sec >>> >>> i use XFS (with all set recommended options) and EXT4 for gluster. no >>> difference. >>> Disks are in HW RAID5 for Distributed volume and RAID0 for Replicated >>> volume >>> >>> volume options: >>> >>> performance.write-behind: off >>> server.allow-insecure: on >>> cluster.server-quorum-type: server >>> cluster.quorum-type: auto >>> network.remote-dio: enable >>> cluster.eager-lock: enable >>> performance.stat-prefetch: off >>> performance.io-cache: off >>> performance.read-ahead: off >>> performance.quick-read: off >>> >>> Am I missing something? >>> >>> -- >>> Best regards, >>> Roman. >>> >> >> >> >> -- >> Best regards, >> Roman. >> >> _______________________________________________ >> Gluster-users mailing list >> [email protected] >> http://www.gluster.org/mailman/listinfo/gluster-users >> > > -- Best regards, Roman.
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