Re: Ext2 Directory Index - Delete Performance

Jan Harkes (jaharkes@cs.cmu.edu)
Wed, 18 Apr 2001 21:11:40 -0400


On Thu, Apr 19, 2001 at 02:27:48AM +0200, Daniel Phillips wrote:
> more memory. If you have enough memory, the inode cache won't thrash,
> and even when it does, it does so gracefully - performance falls off
> nice and slowly. For example, 250 Meg of inode cache will handle 2
> million inodes with no thrashing at all.

What inode cache are you talking about? According to the slabinfo output
on my machine every inode takes up 480 bytes in the inode_cache slab. So
250MB is only able to hold about half a million inodes in memory.

Jan

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