Lmst

Just blogged "Solaris 11.4.78 / iostat -b and wildcards"

https://jomasoftmarcel.blogspot.com/2025/04/solaris-11478-iostat-b-and-wildcards.html

#newfeatures #solaris #oraclesolaris #iostat

🤔 Oh joy, another thrilling exposé on the riveting world of disk I/O in GitHub Actions. Because clearly, what the internet needed was a dissertation on how slow pipelines are a mystery waiting to be solved by the heroes of... *checks notes*... #iostat. 🚀 Let's sprinkle some cookies and call it a day. 🍪
https://depot.dev/blog/uncovering-disk-io-bottlenecks-github-actions-ci #diskIO #GitHubActions #slowPipelines #techExposé #developerHumor #HackerNews #ngated

How to Install and Use #iostat on #Debian #Linux 12 :debian:

https://www.howtoforge.com/how-to-install-and-use-iostat-on-debian-12/

How to Install and Use #iostat on #Ubuntu #Linux

https://www.howtoforge.com/how-to-install-and-use-iostat-on-ubuntu/

fatrace: A system auditing tool; gives a simple text log of file system events
https://piware.de/2012/02/fatrace-report-system-wide-file-access-events/
#performance #filesystem #sysadmin #iostat #linux #+

#Linux Performance Monitoring: Using Tools Like #top, #vmstat, and #iostat 🐧

https://www.linuxjournal.com/content/linux-performance-monitoring-using-tools-top-vmstat-and-iostat

I think `iostat` is my new favourite #Linux command. It gives you so much information about what exactly your hard drives (or SSDs) are doing. It takes a while to get used to, but here is an example of the output:

```
# iostat -xht /dev/sda /dev/sdb
09/26/2023 11:26:52 AM
avg-cpu: %user %nice %system %iowait %steal %idle
40.4% 0.0% 4.5% 18.3% 0.0% 36.9%
r/s rkB/s rrqm/s %rrqm r_await rareq-sz Device
102.18 2.9M 10.33 9.2% 21.72 29.5k sda
0.00 0.0k 0.00 0.0% 0.00 0.0k sdb
w/s wkB/s wrqm/s %wrqm w_await wareq-sz Device
34.98 2.7M 14.72 29.6% 170.21 78.8k sda
29.97 2.7M 9.33 23.7% 193.34 90.6k sdb
d/s dkB/s drqm/s %drqm d_await dareq-sz Device
0.00 0.0k 0.00 0.0% 0.00 0.0k sda
0.00 0.0k 0.00 0.0% 0.00 0.0k sdb
aqu-sz %util Device
7.94 95.7% sda
5.73 43.5% sdb
```