[ovs-dev] [PATCH] ofproto: Increase default datapath max_idle time.

[Flavio Leitner]

On Fri, Sep 12, 2014 at 10:03:56AM +1200, Joe Stringer wrote:
> The datapath max_idle value determines how long to wait before deleting
> an idle datapath flow when operating below the flow_limit. This patch
> increases the max_idle to 10 seconds, which allows datapath flows to be
> remain cached even if they are used less consistently, and provides a
> small improvement in the supported number of flows when operating around
> the flow_limit.

Could you tell what would be the motivation behind this change?

fbl

> Signed-off-by: Joe Stringer <joestringer at nicira.com>
> ---
>  ofproto/ofproto.h |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/ofproto/ofproto.h b/ofproto/ofproto.h
> index 1b8709a..d60b198 100644
> --- a/ofproto/ofproto.h
> +++ b/ofproto/ofproto.h
> @@ -267,7 +267,7 @@ int ofproto_port_dump_done(struct ofproto_port_dump *);
>          )
>  
>  #define OFPROTO_FLOW_LIMIT_DEFAULT 200000
> -#define OFPROTO_MAX_IDLE_DEFAULT 1500
> +#define OFPROTO_MAX_IDLE_DEFAULT 10000 /* ms */
>  
>  const char *ofproto_port_open_type(const char *datapath_type,
>                                     const char *port_type);
> -- 
> 1.7.10.4
> 
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