Folders must be created on the NFS prior to job execution.If the submitted record is identical to the existing record, no update is performed.If you are using User Name Mapping, ensure that the .maphosts file on the computer running User Name Mapping specifies the names or IP addresses of computers that can map user accounts by using User Name Mapping.If users cannot access NFS resources intermittently and configuring the .maphosts file does not solve the problem, it might be that too many client computers are trying to access User Name Mapping simultaneously.Quick definition of the TTFB, stolen from Wikipedia, Time To First Byte or TTFB is a measurement that is often used as an indication of the responsiveness of a webserver or other network resources.A bad TTFB can be related to a lot of things: Quite fast :) Now see the performance impact by using different options/behavior to cache file attribute on a NFS mount (client side). NOAC: Use the noac mount option to achieve attribute cache coherence among multiple clients.Also, ensure that Active Directory Domain Services is accessible or the User Name Mapping service is running on the designated server.
You will mainly notice that the website takes a lot of time to load and all of sudden the content is quickly delivered.
So this can occur if the directory is modified on the NFS server, but the directories modification time is not updated.a) The best solution is to remount directory from the NFS client using mount command: First command (umount) forcefully unmount a disk partition /mnt/local (NFS).(b) Or try to mount NFS directory with the noac option.