1
vote
1answer
44 views

How to make Nginx fire 504 immediately is server is not available?

I have Nginx set up as a load balancer with cookie-based stickiness. The logic is: If the cookie is NOT there, use round-robbing to choose a server from cluster. If the cookie is there, go to the ...
1
vote
1answer
92 views

Loadbalance UDP traffic with session affinity and way to take servers in & out of rotation [closed]

What is the best way to go about load balancing UDP traffic among a whole bunch of servers, while keeping session affinity based on the users' IP? I need to also be able to take servers in and out of ...
0
votes
0answers
72 views

Is it possible to persist a session after a server as been removed from a load balanced server pool on an F5

We have a server farm hosted in a co-location data center, because of uptime SLA's in our contract we have zero access to the F5 Load Balancer. I am curious if the following is possible to achieve. ...
0
votes
0answers
410 views

High availability squid farm

I'm trying to configure a high availability squid farm on CentOs 6.4 with haproxy1.5 for load balancing and ucarp1.5.2 for ip failover alongside squid3.1.10, running on each server these are my ...
1
vote
0answers
99 views

Any way to route MSMQ messages based on label?

I have a system with one MSMQ sender (generates about 10k messages/sec) and one MSMQ receiver (2k messages/sec). Generating and sending messages is fast, reading and processing is slow. Hence I want ...
0
votes
1answer
36 views

Loadbalancer passing client IP to the web server (HTTPS)

Can a loadbalacer (reverse proxy) configured with sticky sessions pass on the client IP to the Web servers if the session is SSL encrypted without doing SSL termination? Is it even possible to have ...
0
votes
1answer
388 views

Load balance https and websockets wth sticky sessions and NGINX

I'm using NGINX to do sticky session load balancing in front of a node.js app that will support http, ssl, and websockets. If I want the load balancer to simply forward requests to the node.js server ...
0
votes
1answer
156 views

sticky session configuration css 11503

I have two jboss instances behind a cisco css 11503 for load balance. In each of this instances, I have two applications. One of them, needs sticky sessions to be enabled, the other does not. Is it ...
11
votes
2answers
5k views

Do HTTP reverse proxies typically enable HTTP Keep-Alive on the client side of the proxied connection and not on the server side?

HAProxy has the ability to enable HTTP keep-alive on the client side (client <-> HAProxy) but disable it on the server side (HAProxy <-> server). Some of our clients connect to our web service ...
0
votes
2answers
674 views

Sticky sessions on load balancers with HTTP and HTTPS

How does sticky sessions relate to HTTP and HTTPS; If I place a load balancer in front of some web app servers that run a front end that supports HTTPS, will the sessions remain "sticky" on a typical ...
4
votes
1answer
451 views

HAProxy: session stickiness triggered by response header possible?

I'm investigating HAProxy as a possible replacement for F5. F5 is capable of persisting a session based on a response header value: when HTTP_RESPONSE { set session [HTTP::header X-Session] if ...
1
vote
2answers
2k views

Pfsense: Inbound Load Balancing https with sticky connection

first of all I'm very sorry for my English... This is my scenario: Internet Firewall+LB: pfsense_1(Active) + pfsense_2(Passive) in CARP Pool servers: 3 x nginx(PHP5+HTTP+HTTPS) Pfsense 1 and 2 ...
0
votes
3answers
2k views

does bigIP support sticky session

Does BIG IP support sticky sessions? I have 2 apache's behind a Big IP box at my partner end. Need to know whether Big IP supports sticky sessions. My apache has the sticky session enabled. All ...
2
votes
0answers
940 views

nginx sticky sessions / ip_hash with Socket.io

I am to be load balancing two node.js/Socket.io instances on different boxes with nginx running a simple notifications service with a retroactive event for new clients. I don't think there will be ...
1
vote
1answer
5k views

Load Balancing and Clustering using mod_proxy_ajp on Apache HTTP Server 2.2.21 and Tomcat 7.0.23

I've been struggling to make load balancing and clustering working using these combination: Apache HTTP Server 2.2.21 (httpd-2.2.21-win32-x86-openssl-0.9.8r) using mod_proxy_ajp with sticky session ...
0
votes
1answer
1k views

What IP does nginx use for ip_hash sticky sessions?

Does nginx use the direct client's IP for ip_hash, or does it also observe X-forwarded-for HTTP header to use as the IP address to ip_hash? For example, in a situation where some clients using a ...
1
vote
2answers
636 views

Tomcat clustering/loadbalancing performance in production environment

I have some doubts on the performance of clustering and session management in load balanced environment. Here are my questions: What are the drawbacks of sticky-sessions and session replication. The ...
1
vote
2answers
802 views

Sticky sessions in Lighttpd

I've read in http://redmine.lighttpd.net/projects/1/wiki/Docs:ModProxyCore that sticky sessions are not currently implemented in lighttpd. I'd like to know if it is possible to have sticky sessions ...
0
votes
2answers
460 views

Node Affinity and Load-Balancing - drawbacks?

What are the main drawbacks if we choose to use Node-Affinity (sticky MAC) with a load-balanced IIS solution? We are thinking about using in-memory Session State, so need to evaluate the options. ...
7
votes
3answers
21k views

What is the downside to sticky sessions with load balancers?

we have a web farm of IIS7 machines. Works great. In front of them is an F5 Big-IP hardware load balancer. Also working fine :) Now, currently we're using an ASP.NET State Service to handle our ...