Iotop vs nmon

Struggling to choose between Iotop and nmon? Both products offer unique advantages, making it a tough decision.

Iotop is a System & Hardware solution with tags like disk, io, monitoring, processes.

It boasts features such as Monitors disk I/O usage in real time, Displays table of processes sorted by I/O usage, Shows bandwidth used, I/O type (read/write), process ID, process name, Interactive terminal based UI, Color coded output for easy identification of high I/O processes and pros including Lightweight and low overhead, Easy to use terminal interface, Helps identify processes causing disk I/O bottlenecks, Open source and free.

On the other hand, nmon is a System & Hardware product tagged with monitoring, performance, resource-utilization.

Its standout features include Monitors CPU usage, Monitors memory usage, Monitors network I/O, Monitors disk I/O, Generates reports and graphs, and it shines with pros like Free and open source, Lightweight and low overhead, Easy to use, Works on multiple platforms.

To help you make an informed decision, we've compiled a comprehensive comparison of these two products, delving into their features, pros, cons, pricing, and more. Get ready to explore the nuances that set them apart and determine which one is the perfect fit for your requirements.

Iotop

Iotop

Iotop is a Linux program that provides detailed monitoring of disk I/O usage by processes. It shows a table of current I/O usage with columns for process IDs, process names, type of I/O, bandwidth used, and more.

Categories:
disk io monitoring processes

Iotop Features

  1. Monitors disk I/O usage in real time
  2. Displays table of processes sorted by I/O usage
  3. Shows bandwidth used, I/O type (read/write), process ID, process name
  4. Interactive terminal based UI
  5. Color coded output for easy identification of high I/O processes

Pricing

  • Open Source

Pros

Lightweight and low overhead

Easy to use terminal interface

Helps identify processes causing disk I/O bottlenecks

Open source and free

Cons

Terminal based only, no GUI available

Limited to monitoring disk I/O only

Requires some Linux/Unix command line knowledge to use effectively


nmon

nmon

nmon is a free system monitor tool for the AIX and Linux operating systems. It is used to monitor system performance and resource utilization in real time.

Categories:
monitoring performance resource-utilization

Nmon Features

  1. Monitors CPU usage
  2. Monitors memory usage
  3. Monitors network I/O
  4. Monitors disk I/O
  5. Generates reports and graphs

Pricing

  • Open Source

Pros

Free and open source

Lightweight and low overhead

Easy to use

Works on multiple platforms

Cons

Limited built-in graphing capabilities

No web interface

Steep learning curve