[ovs-dev] [PATCH] ofproto: Increase default datapath max_idle time.
Ben Pfaff
blp at nicira.com
Thu Sep 18 21:51:21 UTC 2014
On Thu, Sep 18, 2014 at 2:48 PM, Ben Pfaff <blp at nicira.com> wrote:
> On Thu, Sep 18, 2014 at 05:24:12PM -0300, Flavio Leitner wrote:
>> On Thu, Sep 18, 2014 at 01:18:57PM -0700, Ethan Jackson wrote:
>> > In our experience, most people actually expect this number to be
>> > fairly high. For example, our traffic generator runs a little bit of
>> > traffic to populate caches, pauses for a couple of seconds, before
>> > finally starting the main test. On top of that, we've had some minor
>> > complaints from people managing deployments about how low this number
>> > is.
>> >
>> > Originally we used 1.5 seconds because the flow revalidation was so
>> > slow that we wanted to seriously limit the size of the flow table to
>> > be sure we can keep up. However, now that we've made such scale
>> > improvements, bumping the default up seems reasonable.
>> >
>> > All of that said, we don't feel all that strongly about this change,
>> > is there a specific concern you have? Perhaps we can address it...
>>
>> Not anymore, you addressed all my concerns in your reply.
>> Thanks for explaining it,
>
> Ethan, I hope you will add this context to the commit message?
Oops, Ethan isn't the author and it's already been committed.
Never mind....
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