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On Sat, Apr 09, 2016 at 01:16:15PM +0300, Julian Anastasov wrote:
>
> Hello,
>
> On Tue, 5 Apr 2016, Marco Angaroni wrote:
>
> > One-packet-scheduling is the most expensive mode in IPVS from
> > performance point of view: for each packet to be processed a new
> > connection data structure is created and, after packet is sent,
> > deleted by starting a new timer set to expire immediately.
> >
> > SIP persistent-engine needs OPS mode to have Call-ID based load
> > balancing, so OPS mode performance has negative impact in SIP
> > protocol load balancing.
> >
> > This patch aims to improve performance of OPS mode by means of the
> > following changes in the release mechanism of OPS connections:
> > a) call expire callback ip_vs_conn_expire() directly instead of
> > starting a timer programmed to fire immediately.
> > b) avoid call_rcu() overhead inside expire callback, since OPS
> > connection are not inserted in the hash-table and last just the
> > time to process the packet, hence there is no concurrent access
> > to such data structures.
> >
> > Signed-off-by: Marco Angaroni <marcoangaroni@xxxxxxxxx>
>
> Looks good to me. Simon, please apply.
>
> Acked-by: Julian Anastasov <ja@xxxxxx>
Thanks, applied.
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