Looking at implementing this http://www.cyberciti.biz/faq/centos-redhat-install-configure-cachefilesd-for-nfs/
Because we have a shared internal SFTP server that is hanging with a lot of files in a directory. Ex: 32000 files with 1ms round trip time to and from the NFS server means lots of syscalls to lstat and stat which is resulting in things like ls hanging. The only way I can think to work around this is through cache
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