100 Server and Application Performance Monitoring Tools

Last Updated: November 29th 2018 – Site24x7 replaces Coscale. Coscale was recently acquired by New Relic.  Oct 11th 2018 update: 100+ – Fixed 11 broken links. (including defunct, mergers, acquisitions, or changed links) December 1st 2017 update: 70 100 Top Server Monitoring & Application Performance Monitoring Tools. August 6th 2017 update: 50 70 Top Server Monitoring & Application Performance Monitoring Tools. Back in 2014, I […]

20 Top Server Monitoring & Application Performance Monitoring Solutions

UPDATE: 50 Top Server Monitoring & Application Performance Monitoring (APM) Solutions Last Updated: Nov 23th 2018 – Fixed broken links. (including defunct, mergers, acquisitions, or changed links) Back in September I wrote about an article than touched on the subject of server performance monitoring.  Then just last month a LinkedIn connection asked: “I am using New Relic to monitor […]

Measure Linux web server memory usage correctly

Important update: This article was originally posted back in 2014. However, as I later posted in 2017 in the blog post Does your Linux server need a RAM upgrade? Lets check with free, top, vmstat and sar …there was a Linux kernel change to address this in 2016. Hopefully, this change will motivate New Relic and others to follow […]

Linux Performance: Why You Should Almost Always Add Swap Space

We know that using swap space instead of RAM can severely slow down the performance of Linux. So then, one might ask, since I have more than enough RAM available, wouldn’t it better to remove swap space completely? The short answer is, No. There are performance benefits when swap is enabled, even when you have more than enough […]

How to strip down Amazon Linux EC2 to maximize available RAM

Firstly, this article mainly applies to low memory Amazon Linux EC2 instance types such as t2.nano and t2.micro. The instructions below are also specific to Amazon Linux AMI, which like CentOS, is based on RHEL (Red Hat Enterprise Linux). Yum! Update all packages – yum package manager First, login to your new Amazon Linux EC2 instance […]