Hi Dhilli, On Fri, Sep 15, 2017 at 3:44 PM, DhilliPrasad Nellepalli <ndhilliprasad@xxxxxxxxx> wrote: > > We see high latency when the headers go above 8 KB. to debug the issue we > have monitored the traffic from apache to netty with wireshark. > > We noticed that apache is sending request in multiple packets to netty. This > is adding latency in processing the request. mod_prox_http sends the HTTP header (all the headers) in a one go, although some filters in the chain may "fragment" it (like mod_ssl, but that'd be 16K packets per TLS record size max). > > Is there a way to increase the packet size to higher value like 64 KB in > mod_proxy. I know this can be achieved with modJK and AJP. But I don't > believe netty supports AJP. > > We are running out of options in solving the issue. It looks more like a limit on the system, TCP (send) buffers size? This is not something that can be forced on the mod_proxy side (no ProxySendBufferSize similar to SendBufferSize for the client connection), but it can be tuned by default on the system. Regards, Yann. --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx
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