udp balancing

Maxim Konovalov maxim at nginx.com
Thu Jun 23 16:08:43 UTC 2016


On 6/23/16 6:57 PM, Frank Liu wrote:
> That makes sense for udp (connection less). 
> What about tcp? I assume when client initiate the connection , nginx
> will pick one upstream (rr) to make a connection and send all
> subsequent packets to the same upstream using the same connection.
> 
Not sure I understand your request.

For tcp nginx balances new connections based on the configured load
balancing discipline (rr by default).

> Frank
> 
> On Thursday, June 23, 2016, Maxim Konovalov <maxim at nginx.com
> <mailto:maxim at nginx.com>> wrote:
> 
>     On 6/23/16 6:44 PM, Frank Liu wrote:
>     > Hi,
>     >
>     > In the default stream/udp/proxy setup, will nginx round robin
>     every
>     > packet or will it remembers client and send all packets from same
>     > client to same upstream?
>     >
>     The default is round-robin, yes.
> 
>     You can enable persistent-like behaviour though:
> 
>     https://www.nginx.com/resources/admin-guide/tcp-load-balancing/#hash
> 
>     --
>     Maxim Konovalov
> 
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> 
> 
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-- 
Maxim Konovalov



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