Bad performance when accessing a lot of small files

Alexandre Biancalana biancalana at
Thu Dec 20 09:12:28 PST 2007

On 12/20/07, dima <_pppp at> wrote:
> Try to run this command while listing your large directory. You'll see that dirhash_mem will reach dirhash_maxmem. So, the value of dirhash_maxmem should be increased.
> One more hint. Mounting filesystems with -noatime option greatly improves read performance. Apply this also, if you haven't done this yet.

I already set this

 # zfs get atime backup
backup  atime     off     local

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