On Mon, 25 Apr 2005, Robert Watson wrote:
On Mon, 25 Apr 2005, Robert Watson wrote:
I now have updated versions of these patches, which correct some
inconsistencies in approach (universal use of curcpu now, for example),
remove some debugging code, etc. I've received relatively little
performan
Steven Hartland wrote:
- Original Message - From: "Scott Long" <[EMAIL PROTECTED]>
Ok some real strange going on write performance is ~ 140MB/s:
[..snip..]
where as read is ~42MB/s
[..snip..]
So it doesn't seem like caching is an issue and as others are seeing
similar performance issues on
Ok thanks for that kama good to have some comparison with 4.x
I've changed the subject as this seems definitely like a more generic
issue something that needs to be fixed before 5.4 release?
- Original Message -
From: "kama" <[EMAIL PROTECTED]>
I have just tested on my system between 4.11
On Fri, 29 Apr 2005, Steven Hartland wrote:
> Just retried with a ~10Gb data set:
> Write to FS:
> dd if=/dev/zero of=.testfile bs=1m count=1
> 1+0 records in
> 1+0 records out
> 1048576 bytes transferred in 92.517222 secs (113338466 bytes/sec)
>
> Read from FS:
> dd if=.testfile
- Original Message -
From: "Scott Long" <[EMAIL PROTECTED]>
Ok some real strange going on write performance is ~ 140MB/s:
gstat:
dT: 0.505 flag_I 50us sizeof 240 i -1
L(q) ops/sr/s kBps ms/rw/s kBps ms/w %busy Name
0 1100 4 63 13.2 1096 140313
There is no precompiled version for 5.3 but looking at the openbuild version
its the same driver as the built in.
80MB/s is still terrible should be looking closer to 200MB/s.
Steven Hartland wrote:
5.4-STABLE Highpoint 1820a RAID 5 ( 5 disk )
dd if=/dev/da0 of=/dev/null bs=64k count=1
1+0
Arne WXrner wrote:
--- Petri Helenius <[EMAIL PROTECTED]> wrote:
Eric Anderson wrote:
I'm seeing similar sequential performance on RELENG_5_3 and
RELENG_5_4
on dual-Xeons using 3ware controllers so it does not seem to be
a driver issue [...]
Why?
I can remember, that some people said some
Steven Hartland wrote:
Scott I've sent this to you as from reading around you did the
original driver conversion and as such may have an idea
on the areas I could look at hope you dont mind.
Ok some real strange going on write performance is ~ 140MB/s:
gstat:
dT: 0.505 flag_I 50us sizeof 240
--- Petri Helenius <[EMAIL PROTECTED]> wrote:
> Eric Anderson wrote:
> I'm seeing similar sequential performance on RELENG_5_3 and
> RELENG_5_4
> on dual-Xeons using 3ware controllers so it does not seem to be
> a driver issue [...]
>
Why?
I can remember, that some people said some months before,
