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2880kib
2018 Mar 20
0
Gluster very poor performance when copying small files (1x (2+1) = 3, SSD)
...rw=randwrite, bs=(R) 2048B-2048B, (W) 2048B-2048B, (T) 2048B-2048B, ioengine=libaio, iodepth=32
fio-3.1
Starting 1 process
Jobs: 1 (f=1): [w(1)][100.0%][r=0KiB/s,w=8624KiB/s][r=0,w=4312 IOPS][eta 00m:00s]
test: (groupid=0, jobs=1): err= 0: pid=42781: Tue Mar 20 15:05:57 2018
write: IOPS=4439, BW=8880KiB/s (9093kB/s)(256MiB/29522msec)
bw ( KiB/s): min= 6908, max= 9564, per=99.94%, avg=8874.03, stdev=428.92, samples=59
iops : min= 3454, max= 4782, avg=4437.00, stdev=214.44, samples=59
cpu : usr=2.43%, sys=18.18%, ctx=262222, majf=0, minf=8
IO depths : 1=0.1%, 2=0.1%, 4=...
2018 Mar 20
2
Gluster very poor performance when copying small files (1x (2+1) = 3, SSD)
On Tue, Mar 20, 2018 at 8:57 AM, Sam McLeod <mailinglists at smcleod.net>
wrote:
> Hi Raghavendra,
>
>
> On 20 Mar 2018, at 1:55 pm, Raghavendra Gowdappa <rgowdapp at redhat.com>
> wrote:
>
> Aggregating large number of small writes by write-behind into large writes
> has been merged on master:
> https://github.com/gluster/glusterfs/issues/364
>
>