On 11/22/2010 04:25 PM, Emmanuel Florac wrote:
Le Mon, 22 Nov 2010 15:59:51 -0600 vous écriviez:
Performance was fine before the file system was filled -- last week
~8TB showed up and filled the 20TB file system. Since, it has been
performing poorly.
Maybe it got fragmented? How does fragmentation look like?
I wasn't able to resolve this in reasonable time. Part of the issue is
that we're dealing with files within about 100k directories. I'll
attempt to get the fragmentation numbers overnight.
I suspect the regularly listed set of files on this fs exceeds the inode
cache. Where can I determine the cache misses and tune the file system?
Best,
Jesse
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