[ovs-dev] [PATCH] ovsdb: Add "n-handler-threads" to Open_vSwitch TABLE.

Alex Wang alexw at nicira.com
Thu Aug 15 23:05:15 UTC 2013


This looks good, thanks Ben,


On Thu, Aug 15, 2013 at 3:49 PM, Ben Pfaff <blp at nicira.com> wrote:

> I think that the documentation can be improved.  What do you think of
> this incremental?
>
> diff --git a/vswitchd/vswitch.xml b/vswitchd/vswitch.xml
> index 8c7d082..5bbe943 100644
> --- a/vswitchd/vswitch.xml
> +++ b/vswitchd/vswitch.xml
> @@ -160,16 +160,18 @@
>        </column>
>
>        <column name="other_config" key="n-handler-threads"
> -              type='{"type": "integer", "minInteger": 0}'>
> +              type='{"type": "integer", "minInteger": 1}'>
>          <p>
> -          Specifies the number of upcall handler threads that will be
> created
> -          by the ofproto-dpif-upcall module.  The default value is
> (number of
> -          online core - 1).
> +          Specifies the number of threads for software datapaths to use
> for
> +          handling new flows.  The default is one less than the number of
> +          online CPU cores (but at least 1).
>          </p>
>          <p>
> -          Note, the n-handler-threads configuration is per datapath and
> -          not global to the switch.  It is best to use only one type of
> -          datapath.
> +          This configuration is per datapath.  If you have more than one
> +          software datapath (e.g. some <code>system</code> bridges and
> some
> +          <code>netdev</code> bridges), then the total number of threads
> is
> +          <code>n-handler-threads</code> times the number of software
> +          datapaths.
>          </p>
>        </column>
>      </group>
>
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