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Re: [Gluster-devel] Infiniband slow throughput
From: |
Anand Avati |
Subject: |
Re: [Gluster-devel] Infiniband slow throughput |
Date: |
Thu, 11 Sep 2008 00:28:55 +0530 |
>
> address@hidden ~]# sync ; time (dd if=/dev/zero of=/share/foo.bar bs=4k
> count=512K ; sync )
> 524288+0 records in
> 524288+0 records out
> 2147483648 bytes (2.1 GB) copied, 158.164 seconds, 13.6 MB/s
>
> real 2m39.045s
> user 0m0.108s
> sys 0m1.420s
>
write speeds without write-behind will be low for such small block sizes
because of the high context switch overhead incurred by fuse. A bigger block
size would help too. Please let us know the results with write-behind.
avati