On 2011-08-17 at 17:14 -0500, Patrick M. Landry wrote: > The main difference with the poorly performing share is that there > are over 7000 subdirectories in the directory which is heavily referenced > by the application. Also, about 2-3 months ago is a fair estimate > of when the number of subdirectories increased substantially.
Is this a constant set of sub-directories, or are they created and destroyed? Is that being done from another host? Every time the list of entries in a directory is changed, the directory is invalidated on the clients and they need to re-fetch the entire directory. There's no concept of delta notification in NFS v2 and v3. NFSv4 fixes this, both with CB_NOTIFY notifications of added and removed entries, and with directory delegation to clients. If only one host at a time is accessing the share, it shouldn't make a difference, but if some worker or admin tool on another host is doing this, then it's an avenue to investigate. -Phil _______________________________________________ Tech mailing list [email protected] https://lists.lopsa.org/cgi-bin/mailman/listinfo/tech This list provided by the League of Professional System Administrators http://lopsa.org/
