Re: 2.4.5 VM

Marcelo Tosatti (marcelo@conectiva.com.br)
Fri, 1 Jun 2001 11:42:11 -0300 (BRT)


On Fri, 1 Jun 2001, Marcin Kowalski wrote:

> Relating to Huge Dcache and InodeCache Entries and < 2xMem Swap.
> I have a server with > 1.1gig of RAM which I have limited to 1gig (due to
> stability - BUG at HIGHMEM.c: 155 crashes)...
>
> The size of the Swap space is 620mb... my memory usage is below :
>
> Mem: 900008 892748 7260 0 14796 171796
> -/+ buffers/cache: 706156 193852
> Swap: 641016 1792 639224
>
> The extract out of slabinfo is:
> inode_cache 903876 930840 480 116355 116355 1 : 124 62
> bdev_cache 1160 1357 64 23 23 1 : 252 126
> sigqueue 261 261 132 9 9 1 : 252 126
> dentry_cache 775520 934560 128 31152 31152 1 : 252 126
>
> As you can see the usage is crazy....bearing in mind a number of things.
> The system is running hardware raid5, reiserfs and massive amount of files
> > 500000 in >2000 directories..
>
> It is a 2x933mhz PIII + 1.1gig of ram NEtservers
>
> What I really want to know is DOES THIS REALLY Matter. IE If memory is
> needed by and application are these entries simply purged then.. In which
> case there is no problem????

Could you check if they are purged heavily enough for you case when you
start a big app?

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