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Ladder99 / ladder99

Ladder99 - connects factory devices to database and visualizations using MTConnect, an open standard.
https://mriiot.com
Apache License 2.0
27 stars 10 forks source link

Monitor disk space usage and prune dataitems when low #211

Open MRIIOT opened 1 year ago

MRIIOT commented 1 year ago

I thought retention is already set on db. What will autoprune do?

bburns commented 1 year ago

retention works, but it's guesswork as to how long you could keep data around - 1w? 1y?

so could have a service prune the db when space gets low.

it would avoid clients using ladder99 and crashing their disks.

not sure how other similar programs handle the issue.

tukusejssirs commented 1 year ago

@bburns, should this issue be labelled with component:autoprune?

MRIIOT commented 1 year ago

@tukusejssirs I don't think this is a bug. This is a new feature. The speed of which disk is consumed is all dependent on disk size. Current retention is guesswork, but it works when the guess is correct.

tukusejssirs commented 1 year ago

I don't think this is a bug. This is a new feature. The speed of which disk is consumed is all dependent on disk size. Current retention is guesswork, but it works when the guess is correct.

Well, it depends on the point of view. While I understand your point, IMHO if there is at least one case when the current retention fails (when the guess is incorrect), it should be considered a bug. Yes, this bug is not of a top priority and yes, it does not happen a lot (only rarely). Although it is a bug, as it is of low priority, it does not need to be fixed right away.

YMMV. If you still think it is not a bug, okay, we can change the label to feature.