Hello Oleksiy,
thanks for your input. I'll see how i'll proceed implementing it.
Oleksiy Stashok <oleksiy.stashok_at_oracle.com> hat am 26. Juni 2012 um 10:36
geschrieben:
> forgot to include mailing list...
>
>
> -------- Original Message --------
> Subject: Re: http timeout/keep-alive behind balancer
> Date: Tue, 26 Jun 2012 09:54:21 +0200
> From: Oleksiy Stashok <oleksiy.stashok_at_oracle.com>
> To: Arens, Marc <marc.arens_at_open-xchange.com>
>
>
>
> Hi Marc,
>
> thank you for the explanation, think I got it :)
> I see 2 options here:
>
> 1) Configure different proxies on Apache side, one w/ ProxyTimeout set
> to 100s for regular HTTP connections, another w/o ProxyTimeout for
> long-polling connections... and depending on URL you can chose proper
> proxy (with proper timeout settings) to forward your request. I'm not a
> big Apache expert and most probably you considered this option.
>
> 2) Send "ping" messages Grizzly -> Apache ->(?) Client.
> Grizzly Response object (and OutputStream) is not thread-safe, but if
> you synchronize access - it should work. So
>
> Thread #1 Thread #2
> | |
> begin synchronized(A) begin synchronized(A)
> | |
> outputStream.write(...) outputStream.write(...)
> | |
> outputStream.flush() outputStream.flush()
> | |
> end synchronized(A) end synchronized(A)
>
> should work.
>
> Regarding your question if it's possible to send such a "ping" message
> so it will reach Apache, but not a client... Not sure, may be it's
> possible to achieve this behavior using some Apache configuration
> tricks, otherwise IMO the "ping" message will always reach the client.
>
> Thanks.
>
> WBR,
> Alexey.
>
Best regards
--
Marc Arens
Backend Development
Open-Xchange AG
Phone: +49 2761 8385-0, Fax: +49 2761 838530
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