search

scottchiefbaker / dool

Python3 compatible fork of dstat
GNU General Public License v3.0
332 stars 64 forks source link

Network and Disk I/O are reported wrongly in csv output #72

Closed pnikos closed 1 month ago

pnikos commented 3 months ago
SUMMARY

We upgraded from dool 1.1.0 to 1.3.0 and noticed a massive increase in these 2 metrics. Running the 2 dool versions in parallel and comparing the terminal output and the 2 produced csvs (with the --output parameter), shows that the new version multiplies with 8 the network and the disk I/O. This cannot be correct as the terminal output is exactly the same. Using the parameter --bytes solves the issue but shouldn't the results from 2 versions be consistent without extra parameters?

ISSUE TYPE
DOOL VERSION

1.3.0

OS / ENVIRONMENT

Centos 7

STEPS TO REPRODUCE

Execute dool -n --nocolor --output d3.dat and check d.dat with versions 1.1.0 and 1.3.0 and compare the output files

EXPECTED RESULTS

If they are executed in parallel, they should be the same or at least very similar.

ACTUAL RESULTS

Network and Disk I/O (at least because we do not track all possibly produced metrics) are 8 times bigger than before.

scottchiefbaker commented 3 months ago

In version 1.3.0 there was a fix that corrected bits/bytes in CSV output. Prior to that version all data was output to CSV in bytes regardless of "bits" setting.

I believe the number you're seeing in 1.1.0 is incorrect due to this bug and was corrected in versions 1.3.0 and newer.