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Questions tagged [load-balancing]

The term load balancing is used to describe technology that is used to evenly distribute work across multiple nodes within a network.

Load balancing is a computer networking method for distributing workloads across multiple computers or a computer cluster, network links, central processing units, disk drives, or other resources. Successful load balancing optimizes resource use, maximizes throughput, minimizes response time, and avoids overload. Using multiple components with load balancing instead of a single component may increase reliability through redundancy. Load balancing is usually provided by dedicated software or hardware, such as a multilayer switch or a Domain Name System server Process.

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activemq load balancing using elastic load balancer?

We have a set of 30 producers and 30 consumers consuming messages from single ActiveMQ instance currently. All Producers write to 25 queues and all consumers can consume from the queues. There is no message routing or failover in place as of now. We…
zolo
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The loadbalancing algorithm on Amazon EC2 loadbalancer

We plan to do some performance test on a web site hosted on some Amazon EC2 instances. The question is, if all the HTTP traffic come from the same IP addresses (say, in the case of many different client hosts sharing the same public IP), will the…
pktCoder
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Setup of a load balancer of 2 play framework instances

I made an app (name: osc_poc) with PLAY Framework 2.2.1, and I copy the source folder to another destination to make a second instance of the app. I start the apps with two terminals with different ports: play -> to launch the play…
Devour
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Full Clustering in Apache Traffic Server

I followed the steps mentioned in the official documentation for full clustering of multiple ATS instances. I installed 2 instances of ATS on 2 different Ubuntu machines (having the same specs, OS versions and hardware), and both of these act as a…
Some guy
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How load balancer works with asp.net session

I have a project that's working but it needs to be scaled up to multiple servers. Management is considering default IIS load balancing (http://technet.microsoft.com/en-us/library/jj129389.aspx) Does this load balancer support sticky session…
user3043457
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ZMQ sockets with custom load-balancing

I looked at ZMQ PUSH/PULL sockets and even though I quite like the simplicity (especially compared to custom fragmentation/ack I am implementing right now in a system over UDP sockets), I would like to have custom load balancing instead of the naive…
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Use application-wide variable on load balanced servers

I've a site which is hosted in two load balancing servers. I've a collection of variables which is stored as a Lookup in a static variable to perform frequent and fast querying. The value in the static variable is a tree structured data, so I don't…
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php SoapClient and load balancing server

I am working on a php SoapClient. The Soap server is a .NET server. Everything works fine when the client calls a http address and when the answer come from the server that the client calls. The issue I have is that the client must call a https…
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Virtual interface on virtual machine on OpenStack

I’ve 4 virtual machines, with Debian 7 S.O., created over openstack. The first one is a Web Server, the second one and the third one are 2 db with multi-master replica (MySQL) and the last one is a loadbalancer configured with ldirectord. On the…
alevit
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How does a JMS Topic Subscriber in a clustered application server recieve messages?

Suppose I created a JMS Topic (PropertiesTopic) with one subscriber (PropertiesSubscriber). PropertiesSubscriber is running in a load balanced application server cluster as shown in the picture below. alt text…
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AWS loadbalancer and ssl certificate for my website

I setup a website on AWS with Apache on 2 EC2 instances behind an AWS load balancer. The load balancer has a ssl certificate (successfully flowed this manual ) Godaddy is has an A record for the website pointing at the load balancer IP (cannot use…
user2722234
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how do I choose the AWS server for load balancer in terms of memory, CPU, disk in order to handle certain number of concurrent requests

I am now learning to deploy the web server on the cloud such as amazon or rackspace. yesterday, I found a configuration of servers on this rackspace link: http://www.rackspace.co.uk/calculator. in this GUI, apart from adding the normal servers,…
user824624
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How to remove a session ID in a redirect Apache2 AJP load balancing Tomcats

Ok, first we have a java servlet application that runs on Tomcat nodes. In front of this we have Apache2 using the ajp connector doing load-balancing. Generally, we do rolling updates for bugfixes. This entails using the Apache Jk Status Manager to…
Sheldon Ross
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MySQL Proxy step by step configuration

I have an apache web server in my local network (local ip 192.168.0.100). There is a web-site which uses a MySQL database. I added one more slave server (local ip 192.168.0.101) and configured database replication. Now, I want to add a Proxy server…
Jacobian
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haproxy - how to share a session between two different tomcats

Is it possible to share a session among 2 tomcats that runs the same web application and which is both balanced by haproxy? (haproxy is round robin based, and not using sticky-session) by sharing i mean creating the session in one place (haproxy or…
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