Re: reiserfs - recommendations for small files

[Edward Shishkin <edward.shishkin@gmail.com>]

Viji V Nair wrote:
> Hi,
>
> System : Fedora 11 x86_64
> Current Filesystem: 150G ext4 (formatted with "-T small" option)
> Number of files: 50 Million, 1 to 30K png images
>
> We are generating these files using a python programme and getting
> very slow IO performance. While generation there are only writes, no
> read. After generation there are heavy read and no write. These files
> are not in a single directory, this is a pyramid structure. There are
> total 15 pyramids and coming down from top to bottom the sub
> directories and files  are multiplied by a factor of 4
>
> I am looking for an alternate file system and best
> practices/recommendation to get a better performance. What the
> optimisation methods available in reiserfs for small files?
>   

I think that default tail packing policy would be the best for you.
Also use tea hash.

Thanks,
Edward.

> Any suggestions of the above are greatly appreciated.
>
> Viji
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