[OpenIndiana-discuss] ZFS improvements.

[Jesus Cea]

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On 23/11/10 18:55, Maurilio Longo wrote:
> maurilio at rsync:~$ ls -lR /nas/test/snv_143/ | wc -l
> 175184
> 
> At 2Kb, mean, per file, we have 360Mb, more or less, but here we go from
> 2,73Gb to 3,81 so it is more than 1Gb, or, nearly 8Kb per file!

If the znodes are 512 bytes too, they waste 3584 in a 4KB harddisk. So
adding both you have extra 5632 bytes wasted per file.

Do you use the same blocksize?. Same compression?.

Anyway, I think that ZFS will try to align everything to 4KB, so it is
going to waste space for every on-disk datastructure.

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