Malcolm Turnbull - Insights from the load balancer experts (Page 2)

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Malcolm is the founder of Loadbalancer.org, a company that has generated more than 20 years strong organic growth using Open Source technology sold as packaged hardware & software solutions. He has a tendency to talk way too much and play devils advocate in any conversation.

Loadbalancer.org product roadmap – new features, release notes and more (as always, a work in progress)

Understandably, we get quite a few requests for a product roadmap containing release notes and feature updates. We've had a chat about this internally and thought that it would be nice to have a permanent post on the blog that we change on the fly as and when customer requirements change...

Malcolm Turnbull

HAProxy load balancer feedback agent — We've Open Sourced both our Windows and Linux versions for you!

HAProxy load balancer feedback agent — We've Open Sourced both our Windows and Linux versions for you!

In general when you are load balancing a cluster you can evenly spread the connections through the cluster. However, with some applications, you might get very high load from just a few users doing heavy work, which can compromise performance...

Malcolm Turnbull

What do you mean my pipe is saturated?

What do you mean my pipe is saturated?

Some of the most common questions we get at Loadbalancer.org are performance related. It is quite difficult to give a straight answer to these questions as the real answer is often slightly unsatisfactory...

Malcolm Turnbull

Look, why can't you just tell me how many people are connected to the load balancer?

Look, why can't you just tell me how many people are connected to the load balancer?

I must confess, at certain times it has looked like open warfare would break out between the support team and development team at Loadbalancer.org over the last few months...

Malcolm Turnbull

Exchange 2013 - Microsoft finally have an email solution designed for high availability and load balancing

High Availability

Exchange 2013 - Microsoft finally have an email solution designed for high availability and load balancing

In Exchange Server 2013, there are two basic building blocks – the Client Access Array and the Database Availability Group (DAG)...

Malcolm Turnbull

For any poor sod who needs to deal with the PCI Data Security Standard (PCI DSS)

For any poor sod who needs to deal with the PCI Data Security Standard (PCI DSS)

Any engineer dealing with PCI DSS compliance issues probably looses a little bit of the joy in life...

Malcolm Turnbull

Load Balancer performance: Benchmarking HAProxy on EC2 (Quick and Dirty Style)

Load Balancer performance: Benchmarking HAProxy on EC2 (Quick and Dirty Style)

I get quite frustrated with benchmarks because they are very hard to perform properly, and even when you do them properly its very hard to get any useful data from them...

Malcolm Turnbull

Why does Global Server Load Balancing (GSLB) suck?

Why does Global Server Load Balancing (GSLB) suck?

OK, Before the flames start let me state the usual caveat, "GSLBs don't ALWAYS suck. Just most of the time"...

Malcolm Turnbull

EC2 load balancer appliance rocks, and its FREE... for now anyway.

EC2 load balancer appliance rocks, and its FREE... for now anyway.

I’m excited and slightly scared by our latest product! Excited because I've become slightly addicted to launching multiple instances in different parts of the world and load balancing the traffic seamlessly. Scared because this could change our whole business model...

Malcolm Turnbull

Transparent proxy of SSL traffic using Pound to HAProxy backend patch and how-to

Transparent proxy of SSL traffic using Pound to HAProxy backend patch and how-to

I've previously blogged about how to get TPROXY and HAProxy working nicely together, but what if you want to terminate SSL traffic on the load balancer to use HAProxy to insert cookies in the standard HTTP stream to the backend servers?..

Malcolm Turnbull

Loadbalancer.org guarantee 99.999% (5 nines) up-time to all of our customers.

High Availability

Loadbalancer.org guarantee 99.999% (5 nines) up-time to all of our customers.

Some vendors make a fair bit of hype about their products enabling 99.999% availability out of the box...

Malcolm Turnbull

backend servers with full transparent proxy configured

Configure HAProxy with TPROXY kernel for full transparent proxy

If you use HAProxy as the load balancer then all of the backend servers see the traffic coming from the IP address of the load balancer...

Malcolm Turnbull

LVS Local node patch for Linux 2.6.25, Centos 5 kernel build how-to

LVS Local node patch for Linux 2.6.25, Centos 5 kernel build how-to

Standard Kernel builds of LVS (Linux Virtual Server) don't have the ability to load balance traffic that is from the local node...

Malcolm Turnbull

Load balancing via Direct Routing has several key advantages over NAT based methods

Direct Server Return

Load balancing via Direct Routing has several key advantages over NAT based methods

One of the (many) traditional problems with load balancing is the requirement to change your infrastructure in order to implement a hardware load balancer...

Malcolm Turnbull

Direct Routing aka. Direct Server Return — How to solve the ARP problem on Windows Server 2022

Direct Server Return

Direct Routing aka. Direct Server Return — How to solve the ARP problem on Windows Server 2022

Direct Routing aka. Direct Server Return (DSR) aka. N-Path is a great load balancing method. And it is, without doubt, the fastest method possible...

Malcolm Turnbull

Why Layer 7 load balancing sucks...

Why Layer 7 load balancing sucks...

Hardware marketing execs get very excited about the fact that their product can magically scale your application by using ‘amazing Layer 7 technology’ in the load balancer such as cookie inserts and tracking/re-writing...

Malcolm Turnbull