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Question

Forecasting Audit Trail 11 LFFTS Size

Audit Trail How To Ideas
Updated March 11, 2022
asked on March 7, 2022 • Show version history

Hi All,

 

I'm going through the configuration of AT11, and firstly have noticed that it seems hard coded to load 12 months, with no way of changing this without first loading the data (the 12 months). Can this be changed before the initial load or only afterwards?

 

Also this leads me onto disk space forecasting, is there a way to know how much disk space will be required for the audit trail catalog? I'm assuming this might be able to be calculated from the AT log files somehow?

 

Thanks!

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Answer

SELECTED ANSWER
replied on March 10, 2022

Chris,

based on our experience, the LFFTS catalog is roughly 15x size of the original uncompressed audit log files. We may consider to add the feature of catalog size pre-estimation in the future release.

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Replies

replied on March 7, 2022
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replied on March 7, 2022

Thanks Nige, just need to know around the disk size forecasting now smiley

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replied on March 8, 2022

This can be really variable depending on who/what you're auditing and how much auditable activity there is in the repository. For an "average" customer, I'd start by putting the audit catalog on a separate 100 GB data disk as a starting point and monitor it from there.

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replied on March 8, 2022

Thanks Sam,

 

Can this not be 'guessed' from the amount of audit log files?

 

In the latest example earlier this week, Audit Trail catalog consumed 250GB on a new system, (this was probably due to a recent migration) but we'll need to figure out a way to forecast the disk requirements, even from a high level going forward.

 

Cheers!

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SELECTED ANSWER
replied on March 10, 2022

Chris,

based on our experience, the LFFTS catalog is roughly 15x size of the original uncompressed audit log files. We may consider to add the feature of catalog size pre-estimation in the future release.

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replied on March 11, 2022

Thanks Leon, it would be good to maybe add this into the help files somewhere for reference. Cheers!

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