Author Archive

Testing the network speed of your server with iperf

With 10gbps and faster network ports becoming more common all the time, it is becoming increasingly important to make sure that a server can actually use all of that bandwidth. At these high speeds, many things can go wrong that limit your performance to less than the maximum speed of the port. The most important

Optimal RAID Stripe Size and filesystem Readahead for RAID-10?

What RAID stripe size is ideal for an array of hard drives? What are the default settings for both raid stripe size and filesystem readahead? Are those defaults acceptable? How do these settings impact the performance of my server? In this post, we’ll go into detail as to what settings are ideal for a server

What is TTL in ping / traceroute?

If you’ve run the essential diagnostic program “ping”, you may have noticed as part of the output, it tells you the “TTL” for each test result. You may have wondered, what does TTL mean? Should I be concerned about it? What does TTL actually do? We will explore that question in today’s blog. So first

IOWAIT in Linux — is iowait too high?

High IOWAIT can be a real problem in linux, making your server grind to a halt. The question is, how high is too high? When should I be concerned? Firstly, we’ll talk about what IOWAIT means, discuss related statistics and how to interpret them, and finally how to decide if IOWAIT is causing a problem.

Got Bandwidth? 10Gbps and 40Gbps Ports Now Available

With the rise of online video, more bandwidth is being used now than ever before. At the same time, with innovations from Arista Networks and many others, high speed switching is becoming more and more affordable. IOFLOOD is proud to announce, that customers like you can now get 10gbps and 40gbps internet and private connectivity

What is Apache Keepalive Timeout? How to optimize this critical setting.

If you’ve struggled to fix web server slowdowns or crashes, you may have come across a setting for Apache called “Keep-Alive”. This is one of the most powerful — and frequently misused — features of apache. In this article, we’ll explain: What is Apache Keepalive / Keepalive Timeout? What configuration is optimal for best server

February 2019 Server Parts Pricing Report

Another month has gone by, and it’s time for the second installment of our monthly server parts pricing report. You may have seen the wild price fluctuations on RAM and SSDs the last year or so. As well, some models of really powerful CPUs have come way down on the aftermarket. It can be a

January 2019 Server Parts Pricing Report

First update in a while, but I think this is a good one. You may have seen the wild price fluctuations on RAM and SSDs the last year or so. As well, some models of really powerful CPUs have come way down on the aftermarket. It can be a lot to keep up with. Along — Phoenix, AZ — Outdoor Dedicated Server Cooling Torture Test — Part 1

Hey everyone. A lot has gone on this past summer, leading me to ask an important question: Can a server running at 100% usage survive outdoors in the Phoenix sun? We seek to answer that question, in a project of mad-scientist proportions. Join us for the Phoenix, AZ Outdoor Dedicated Server Cooling Torture Test.

What is RAID 0? — RAID striping explained

RAID – or “Redundant Array of Independent Disks” – is a strategy for data storage used on most server setups. Understanding how RAID works, how it can help you meet the needs of your business or organization, and understanding differences between RAID levels is important before setting up your server. This article discusses RAID 0