0
votes
0answers
145 views

Horizontal Versus Verticale Scaling for Large Scale RoR Application (High CPU and Memory Usage)

We are launching a high demand (several hundred simultaneous users) Ruby on Rails application and we are trying to determine the best way to scale. Currently, we have a setup that follows this ...
5
votes
2answers
173 views

HAProxy not balancing server load fairly

HAProxy doesn't seem to keep the connections to the servers balanced. Keep this in mind: using HAProxy v1.3.26 5 equally balanced server specs algorithm is round robin, but no weights are applied ...
3
votes
1answer
6k views

How to horizontally scale SSL termination behind HAProxy load balancing?

I've been looking around and no one seems to be trying to scale SSL termination the way I am and I'm curious as to why my approach seems so uncommon. Here's what I want to do followed by why: ...
2
votes
3answers
4k views

Maximizing TCP connections on HAProxy load balancer

I am currently using HAProxy in order to load balance tcp connections from clients to my Erlang app server. The connection is persistent, which means I'm limited to roughly 64K clients on an optimized ...
0
votes
2answers
299 views

Where to go for a TCP software load balancer with automatic scaling?

We have an interactive flash application running on AWS EC2 instances. One instance can handle between 100 and 200 users. We expect times with heavy growth and slashdot effects. To be prepared and not ...
8
votes
2answers
3k views

Is there a way to add more backend server to haproxy without restarting haproxy?

We want to be able to add more backend servers on demand. Right now I don't see a way to add more backend servers to the config file without restarting haproxy.
4
votes
5answers
1k views

HAProxy and “sharding”

I am cross posting this from stack overflow since it was suggested I might get a better answer here ... I was wondering if anyone has used HAProxy for sharding. Specifically, I would like to be able ...