Can you pinpoint the large size to any particular device or group of devices?

Rrd dir should not grow indefinitely unless some devices are continually adding and removing entities, and you aren’t running housekeeping to remove old RRDs.

Adam.

Sent from my iPhone

On 24 Sep 2021, at 16:20, Adam Thompson via observium <observium@observium.org> wrote:



Since we last rebuilt our Observium instance in late 2019, we've noticed that it's chewing up disk space at a prodigious rate, that we didn't see before.

We're seeing a steady ~300BG/month increase in storage needs.  Observium, of course, monitors itself, and the line on the storage graph is a nearly-perfect slope (after adjusting for disk size increases).

This came to my attention this morning (again), when we ran out of disk space (again) and I had to expand the volume (again) to continue operating.   (So much for our alerting... oops.)

We have added a few new devices, but not 1TB worth, and not consistently and constantly since late 2019.

Since RRD files are - in theory - fixed-size, why does /opt/obvservium/rrd keep growing without bound? And how can I predict future growth?  Will it ever stop?

Help?  Anyone?

-Adam

Adam Thompson
Consultant, Infrastructure Services

100 - 135 Innovation Drive
Winnipeg, MB, R3T 6A8
(204) 977-6824 or 1-800-430-6404 (MB only)
athompson@merlin.mb.ca
www.merlin.mb.ca

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