Has the internal kernel value changed since we last looked?
Rob
On Sep 4, 2008, at 4:16 PM, Phil Carns wrote:
Sam Lang wrote:
Hi Bart,
Thanks for the patch. For users with that many files in a
directory, using pvfs2-ls is probably a good alternative.
The kernel does readdir requests 32 entries at a time, so
increasing MAX_NUM_DIRENTS won't help for ls. Long listings
requires getting the size of files, which in PVFS is fairly
expensive.
Unfortunately, we haven't kept up with the readdirplus
implementation, some bugs have probably crept in since Murali added
that tool. If you were motivated to look at where the servers were
crashing, we'd certainly be interested in helping with the
debugging there.
Thanks again,
-sam
It does look like ls improved with the patches for some reason,
though.
The 256 and 512 results are also just about close enough to be
noise. It looks like most of the benefit came from the jump from
32/64 to 256.
-Phil
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