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Tuning zfs for caching recently written data.

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Przemo-c
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Tuning zfs for caching recently written data.

Post by Przemo-c »

Is tehere a way to tune zfs arc or other mechanism for it to cache recently written data for reading purposes?

We have specific worlkoad. First image data goes to NAS server about 1GB per 5 min-10 minutes and in constatnt 15 minute intervals client computers download recently written data.
is there a way to tune zfs caching for such workload?

Best regards
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raulfg3
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Re: Tuning zfs for caching recently written data.

Post by raulfg3 »

As far as I konw is done by default, you only need a SSD disk capable in size to adequate to your needs and configure it as L2ARC.

https://blogs.oracle.com/brendan/entry/test

https://blogs.oracle.com/brendan/entry/ ... creenshots

https://blogs.oracle.com/brendan/entry/slog_screenshots
12.1.0.4 - Ingva (revision 7743) on SUPERMICRO X8SIL-F 8GB of ECC RAM, 11x3TB disk in 1 vdev = Vpool = 32TB Raw size , so 29TB usable size (I Have other NAS as Backup)

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