load-balancing

WCF - How to do Load Balance with WCF 4.0 Router Service

Hi, Have you ever learned about WCF Router Service 4.0 ? I know that this new feature has a lot of advantages, but i have some questions about it... First of all, i can't find any documentation about it! How to implement a logic for Load Balance over WCF Router Service 4.0 ? How does WCF Router Service deal with services that has callb...

JBoss and Apache Load Balancing

Hi there, I am trying to set up a JBoss Cluster with Apache Load Balancing. Basically I have followed the guide from here. No problem faced. The only issue I have would be, how do I access my own application? From the guide, it didnt mention how do I mount my own application. Here's my environment setup: Windows XP JBoss AS 5.0 Apac...

Is there a posssibility to replicate not the whole session in a tomcat cluster?

I have a web app running on Tomcat (Spring WebFlow, Hibernate are used). On of the app's features is misc. reports generating based on stored data (quite heavy task). We're experiencing perfomance problems with other functionality while performing this task (note, only for some of our customers). So we've tried to create a cluster of tw...

Need to upload a single file across 2 load balanced servers.

Hey guys, Currently my company has a 3 server set-up. 2 web boxes behind a load-balancer and another box not behind the load-balancer (used for Admin, CMS and stats). Due to the state of funds at the moment we are looking to decommission our single box which is not behind the load-balancer. The box has our CMS on it and a media subdomai...

ASP.Net + Load Balancing + Reports (Crystal or SSRS)

We currently have two web servers (Windows Server 2008 Standard, IIS7) setup to host an ASP.Net website and are using the basic features of our hardware firewall to provide network load balancing (NLB) between the two servers. This means we have had to change the ASP.Net session state mode to SQL Server in order to make the data stored ...

load balancer question c# asp.net

The place where I work has 2 servers and a load balancer. The setup is horrible since I have to manually make sure both servers have the same files. I know there are ways to automate this but it has not been implemented, hopefully soon (I have no control over this). I wrote an application that collects a bunch of information from a u...

Creating an ASP.NET diagnostics page to be pinged by Load Balancer

Our server operations team has asked the web development team (ASP.NET) to provide a URL in our application, which the load balancer can ping to perform health checks. What should be executed on this page? I think we should attempt a database connection to ensure connectivity between the web and database. Anything else? ...

Enabling gzip compression for JBoss cluster with mod_jk load balancer

We have a JBoss configured in cluster with Apache HTTP+mod_jk as a load balancer. Do we need to configure anything on Apache side in addition to configuring compression in JBoss configuration for connector? ...

WCF Service under loadbalancer problem

In loadbalancer (bigip/f5) environment WCF services are not working after the website is set to run under asp.net 4.0. The Javascript proxy requests are going as http instead of https under asp.net 4 which is causing “Access denied” errors in JS. the same working with no issues on previous version of asp.net. Any idea?? ...

Adding machineKey to web.config on web-farm sites

We (out IT partner really) recently changed some DNS for a web farmed site we have so that the two production server have round-robin DNS switching between the two. Prior to this switch we didn't really have problems with WebResource.axd files. Since the switch, when we hit the live public URL, we get an error: CryptographicException...

How to identify which web server in a farm served a request?

We're debugging intermittent issues with a website running on IIS7. Since we have many nodes behind the load balancer, we can't tell which host responded to a given request. Is there any way at the IIS level to specify which host served a request? For example, could IIS append a header in the response that indicates the IP of the host t...

How to setup WCF with wsHttpBinding, Transport Security with x509 certificate behind a load balancer (F5)

I'm having a difficult time setting up this WCF Service with wsHttpBinding, Transport Security, x509 and, the key part, the Load Balancer (F5). This all works without a problem in our Dev environment but as soon as I put it behind the F5 it fails giving me this message: System.ServiceModel.Security.SecurityNegotiationException: Could n...

What can I do to use Session on a shared hosting server with load balancing

My website/application is in ASP.NET. I use the traditional Session object when people connect so they have their preference, etc. My problem is that sessions were lost very often. I discovered that my hosting company was using load balancing on their servers, so one request on my website can be on one server, and the other on another o...

reverse proxy confusion

Currently I use nginx + passenger for serving my rails app. I have been doing some research on reverse proxies and a few names pop up (squid, varnish and nginx mostly). 1 - Now If I am using nginx as my web server can I stil use it as my reverse proxy? 2 - The general sense is that most sites use nginx for proxying static content and a...

SSL and Load Balancing

What affect does SSL have on the way load balancing works? I know that you need to use sticky sessions if you have chosen to not store you session info in the DB or Out of Process but how does that effect SSL? ...

Writing a weighted load balancing algorithm

I've to write a weighted load balancing algorithm and I'm looking for some references. Is there any book ? that you can suggest to understand such algorithms. Thanks! ...

Poor Man's Load Balancing

I have a mysql database with several tables. I have an input that makes ajax calls for every character. Is there a way to load balance by distributing to other domains etc? Estimated statistics: ~1000-2000 hits a day. Average site time per user ~30-60 secs. ...

Memcached vs. HW Load Balancer w/sticky sessions

All, I've been doing some research on when (and when not) to use Memcached. I'm familiar with distributed caching in terms of it's core objectives. Using Memcacached/similar makes sense to me if you've got a few servers...as it would give you central virtual repository to get your cached data. That said, if you have a hardware load ...

How to configure reverse proxy/loadbalancer for custom routing

Hi! Suppose I have 3 webservers behind a reverse proxy/loadbalancer. Currently I use Apache 2 but don't mind switching. Those webservers are not equal. They have different sets of local data meaning that different kinds of requests will be handled more efficiently on specific webserver. I want to plug some custom routing logic into m...

Software-based load-balancing + some of ESB tool for .NET. What are the options? (if any)

I need some piece of software that will fulfill the following functions: 1. Give a single endpoint to a client (abstracting it from several service endpoints) 2. Keep a queue of incoming requests 3. Balance load between several service endpoints on several machines 4. Control availability of these endpoints 5. Give client some readable e...