01-15-2019
Hello,
Long time passed. I have come across the same problem definition at another board.
Quote:
I am a web developer, recently a need has been created to use Load Balancer. I am new in this area. I have chosen which LB to use, its not like it matters so much, HAProxy has all the features needed for as far as I've researched.
My concern is that, with software based load balancer, It does not "redirect" user to the backend server, the loadbalancer stays in the middle, so all the traffic bandwith and tcp connections, will stay in the middle. Did I get it right?
If yes for the question before, then how can I make a solution so the load balancer will not stay in the middle with Client - Backend server?
Also, I need a "source" lb type, because webapp uses session, and I need users to connect to the same servers they've been using.
Thank you in advance.
So, the final question is: How to redirect a request to another ip
address:port
Normally in current configuration it forwards incoming requests, not redirecting. So it cause 2x traffic.
Keep searching..
Kind regards
Boris
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LEARN ABOUT CENTOS
lwp::debug
LWP::Debug(3) User Contributed Perl Documentation LWP::Debug(3)
NAME
LWP::Debug - deprecated
DESCRIPTION
LWP::Debug used to provide tracing facilities, but these are not used by LWP any more. The code in this module is kept around
(undocumented) so that 3rd party code that happen to use the old interfaces continue to run.
One useful feature that LWP::Debug provided (in an imprecise and troublesome way) was network traffic monitoring. The following section
provide some hints about recommened replacements.
Network traffic monitoring
The best way to monitor the network traffic that LWP generates is to use an external TCP monitoring program. The Wireshark program
(<http://www.wireshark.org/>) is higly recommended for this.
Another approach it to use a debugging HTTP proxy server and make LWP direct all its traffic via this one. Call "$ua->proxy" to set it up
and then just use LWP as before.
For less precise monitoring needs just setting up a few simple handlers might do. The following example sets up handlers to dump the
request and response objects that pass through LWP:
use LWP::UserAgent;
$ua = LWP::UserAgent->new;
$ua->default_header('Accept-Encoding' => scalar HTTP::Message::decodable());
$ua->add_handler("request_send", sub { shift->dump; return });
$ua->add_handler("response_done", sub { shift->dump; return });
$ua->get("http://www.example.com");
SEE ALSO
LWP::UserAgent
perl v5.16.3 2012-01-14 LWP::Debug(3)