Re: Allocation strategy - dynamic zone for small files

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On Tue, Nov 14, 2006 at 12:32:07AM +0100, Ihar `Philips` Filipau wrote:
...
> As person throwing in the idea, I feel bit responsible. So here go my
> results from my primitive script (bear with my bashism) on my plain
> Debian/unstable with 123k files on 10GB partition with ext3, default
> 8K block.
> 
> Script to count small files:
> -+-
> #!/bin/bash
> find / -xdev 2>/dev/null | wc -l
> find / -xdev -\( $(seq -f '-size %gc -o' 1 63) -false -\) 2>/dev/null | wc 
> -l
> find / -xdev -\( $(seq -f '-size %gc -o' 64 128) -false -\) 2>/dev/null | 
> wc -l
> -+-
> First line to find all files on root fs, second to find all files with
> sizes 1-63 bytes, third - 64-128. (Param '-xdev' tells find to remain
> on same fs to exclude proc/sys/tmp and so on)
> 
> And on my system counts are:
> -+-
> 107313
> 8302
> 2618
> -+-
 
On my system (Debian Etch, the / contains everything except /home):
 
581564
11280
10994

> This is 10.1% of all files - are small files under 128 bytes. (7.7% < 63 
> bytes)
 
This is 3.8% of all files < 128 bytes (1.9% < 63 bytes).
 
Josef "Jeff" Sipek.

-- 
A CRAY is the only computer that runs an endless loop in just 4 hours...
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