* [gentoo-user] Fast file system for cache directory with lot's of files
@ 2012-08-13 13:16 99% Michael Hampicke
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From: Michael Hampicke @ 2012-08-13 13:16 UTC (permalink / raw
To: gentoo-user
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Howdy gentooers,
I am looking for a filesystem that perfomes well for a cache directory.
Here's some data on that dir:
- cache for prescaled images files + metadata files
- nested directory structure ( 20/2022/202231/*files* )
- about 20GB
- 100.000 directories
- about 2 million files
The system has 2x Intel Xon Quad-cores (Nehalem), 16GB of RAM and two
10.000rpm hard drives running a RAID1.
Up until now I was using ext4 with noatime, but I am not happy with it's
performence. Finding and deleting old files with 'find' is incredible slow,
so I am looking for a filesystem that performs better. First candiate that
came to mind was reiserfs, but last time I tried it, it became slower over
time (fragmentation?).
Currently I am running a test with btrfs and so far I am quiet happy with
it as it is much faster in my use case.
Do you guys have any other suggestions? How about JFS? I used that on my
old NAS box because of it's low cpu usage. Should I give reiser4 a try, or
better leave it be given Hans Reiser's current status?
Thx in advance,
Mike
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