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pirstripe
2012 Feb 23
1
default cluster.stripe-block-size for striped volumes on 3.0.x vs 3.3 beta (128kb), performance change if i reduce to a smaller block size?
Hi,
I've been migrating data from an old striped 3.0.x gluster install to
a 3.3 beta install. I copied all the data to a regular XFS partition
(4K blocksize) from the old gluster striped volume and it totaled
9.2TB. With the old setup I used the following option in a "volume
stripe" block in the configuration file in a client :
volume stripe
type cluster/stripe
option
2011 Feb 24
0
No subject
which is a stripe of the gluster storage servers, this is the
performance I get (note use a file size > amount of RAM on client and
server systems, 13GB in this case) :
4k block size :
111 pir4:/pirstripe% /sb/admin/scripts/nfsSpeedTest -s 13g -y
pir4: Write test (dd): 142.281 MB/s 1138.247 mbps 93.561 seconds
pir4: Read test (dd): 274.321 MB/s 2194.570 mbps 48.527 seconds
testing from 8k - 128k block size on the dd, best performance was
achieved at 64k block sizes:
114 pir4:/pirstripe% /sb/admin...