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Date:      Tue, 25 Jun 2019 15:29:00 -0400
From:      mike tancsa <mike@sentex.net>
To:        freebsd-questions@freebsd.org
Subject:   Re: ZFS Optimizing for large directories and MANY files
Message-ID:  <af1cab98-bbdf-a896-60e5-d34d126dd85e@sentex.net>
In-Reply-To: <e3168936-9c39-2e8c-2d37-b1bf8da03b08@sentex.net>
References:  <e3168936-9c39-2e8c-2d37-b1bf8da03b08@sentex.net>

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On 6/25/2019 2:19 PM, mike tancsa wrote:
> on SSDs.  Should I bother with an NVME drive for L2ARC caching ?  On my
> test box, I can sort of approximate how much RAM I need for metadata
> (11G it seems), is there a better programatic way to find that value out ?


Looks like zdb gives it

zdb -d <dataset>

    ---Mike





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