Hello Eric,
> Sure, but if we put this flag to zero, nobody will ever use it and
> find any bug.
I agree.
> If we can add the MSG_MORE at the right place, your workload might gain
> ~20% exec time, and maybe 30% better efficiency, since you'll divide by
> 2 the total number of network segments.
On Sat, 2014-02-08 at 17:55 +0100, Thomas Glanzmann wrote:
> Hello Eric,
>
> > > Disable auto corking by default
>
> > We should let auto corking on during 3.14 development cycle so that we
> > can fix the bugs, and thing of some optimizations.
>
> I agree that leaving it enabled helps to find b
Hello Eric,
> > Disable auto corking by default
> We should let auto corking on during 3.14 development cycle so that we
> can fix the bugs, and thing of some optimizations.
I agree that leaving it enabled helps to find bugs, however I'm not
happy with the round trip time degradation.
> auto co
On Sat, 2014-02-08 at 10:19 +0100, Thomas Glanzmann wrote:
> When using auto corking with iSCSI the round trip time at least increases by
> factor 25 probably more. Other protocols are very likely also effected.
>
> Signed-off-by: Thomas Glanzmann
> ---
> net/ipv4/tcp.c |2 +-
> 1 file chang
When using auto corking with iSCSI the round trip time at least increases by
factor 25 probably more. Other protocols are very likely also effected.
Signed-off-by: Thomas Glanzmann
---
net/ipv4/tcp.c |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv4/tcp.c b/net/ipv4
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