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SubjectRe: Solaris 100K TCP connections, good example? was:[Fwd: [Fwd:
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> in that case, every filesystem iget operation has to wade through 100K+
> inodes to find an inode (imagine the length of the hash lists in a 256
> bucket hash table!). every d_lookup has to do the same. each inode is as

So dont use a 256 bucket hash table. Dave has some nice 2.2. patches for
the hashes (and the socket hashes want to be bigger too)

> go to zero until the socket closes (bad for high-latency connections or if
> SO_LINGER is set). in current kernels, the VM system can't even ask for
> inode memory back after it's been allocated to the inode cache.
>
> think 2G of RAM is enough? :) maybe for the buffers alone...

Even factoring those in its about 1Gig for the kernel side structures.

Alan


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