Re: [jetty-users] OS TCP keepalive with jetty websockets

[Joakim Erdfelt <joakim@xxxxxxxxxxx>]

No feature for this as of yet.

Added a bug to track this request

https://bugs.eclipse.org/bugs/show_bug.cgi?id=413666

--

Joakim Erdfelt <joakim@xxxxxxxxxxx>

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On Wed, Jul 24, 2013 at 8:38 AM, Igor Tanackovic <igor.tanackovic@xxxxxxxxx> wrote:

Hi,

I'm using the latest Jetty build 9.0.4 and I'm wondering how can I use OS TCP keepalive for websockets connection instead of PING-PONG hearbeat protocol.

The issue with the ping-pong is that I'm using some "heavy" websockets and I have to support ~25k websockets on a small EC2 instance (AWS instance) behind ELB. AWS ELB in known to timeouts websockets connection if there is no traffic for 1 min. In this case, with ~20k websocket connections, ~20k ping-pong messages are sent each minute which drives CPU near 100%.

Please, advise.

Regards,

Igor

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