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Performance

Performance troubleshooting, measurement, storage behavior, and infrastructure tuning notes.

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Performance Articles

Technical notes and guides tagged under Performance.

Understanding NginX’s sendfile Parameter and Its Implications with NFS

In the world of web servers, NginX has emerged as a robust, high-performance option, powering some of the most trafficked sites on the internet. It’s...

  • FreeBSD
  • Linux
  • NFS
  • NginX
  • Performance
  • sendfile
  • Web Server
Published
Reading time
2 minutes

What is CPU Steal Time Under Linux, How To Measure it, And How To Keep Your Cloud Provider Honest!

What is CPU Steal Time? In Linux, CPU steal time refers to the amount of time a virtual CPU waits for a real CPU while the hypervisor is servicing another...

  • Linux
  • monitoring
  • Performance
Published
Reading time
2 minutes

FreeBSD vs OpenBSD: Which is Right for You?

FreeBSD vs OpenBSD: Which is Right for You? FreeBSD vs OpenBSD. Which is more secure? Which is faster? Which is generally superior? Both have their...

  • FreeBSD
  • OpenBSD
  • Performance
  • UNIX
Published
Reading time
10 minutes

FreeBSD vs Linux: Which Open Source OS is Superior?

FreeBSD vs Linux: Which Open Source OS is Superior? FreeBSD vs Linux, which is superior? The answer isn’t so simple. Both have their strengths and...

  • FreeBSD
  • Linux
  • Performance
  • systems administration
Published
Reading time
10 minutes

Dedicated and Cloud Hosting Comparison: AWS, Azure, Google Cloud, Vultr, LiquidWeb

A-Team Systems works with dozens of different hosting providers in almost every environment conceivable. In a unique way this broad experience has given...

  • AWS
  • Azure
  • cloud servers
  • dedicated servers
  • Google Cloud
  • Linux
  • LiquidWeb
  • Performance
  • Vultr
Published
Reading time
12 minutes

SSH Pipe Speed 48 KB/sec FreeBSD 12 PF

We recently ran into an issue after upgrading a server from FreeBSD 11.2 to 12.1 where throughput via SSH pipes would crash to 48 KB/sec almost instantly...

  • FreeBSD
  • networking
  • Performance
  • PF
  • SSH
Published
Reading time
1 minute

FreeBSD Hardware RAID vs. GMIRROR vs. ZFS

The ultimate storage shootout! With years of building and testing servers in various configurations we have always suspected hardware RAID was not all...

  • FreeBSD
  • gmirror
  • Performance
  • RAID
  • SSD
  • UFS
  • UNIX
  • ZFS
Published
Reading time
6 minutes

When To Switch From Cloud Servers to Dedicated Servers

Cloud servers provide a turn key solution to a lot of problems, however they can quickly become an expensive crutch that hides problems rather than...

  • A-Team Cluster
  • cloud servers
  • dedicated servers
  • Performance
  • pricing
  • VMware
Published
Reading time
3 minutes

Using powerd(8) To Increase FreeBSD Performance By Over 10%

Modern Intel CPUs employ a technology called TurboBoost which works in conjunction with Intel’s SpeedStep technology to temporarily overclock specific...

  • FreeBSD
  • Performance
  • SpeedStep
  • TurboBoost
Published
Reading time
2 minutes

HOW TO: FreeBSD Partition Alignment for RAID, SSDs & 4k Disk Drives

Last Updated January 21st, 2017. This article is really popular, I’ll do my best to keep it up to date! I’ve added notes about enabling TRIM support...

  • 4k drive
  • FreeBSD
  • GPT
  • partitioning
  • Performance
  • RAID
  • SSD
Published
Reading time
4 minutes

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