access time

I‘ve configured and mounted /var for squid caching and other purposes under Linux. I’ve noticed that the Linux file system keeps records of when files are created, updated, and accessed. My /var is exclusively used for caching purpose and I do not want to waste disk I/O while updating last-time-read attribute during reads and writes to files. How do I disable access time updates for /var partition?

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What values can be tuned to improve NFS performance? How do I improve my client performance under Linux operating systems?

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Q. I’m using CentOS Linux 5 server with ext3 on /disk2 (/dev/sdb1). How do I improve my file server performance. I’ve many large files in directories and how do I speed up access time?

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I do not remember where I saved pdf and text files under Linux. I have downloaded files from the Internet a few months ago. How do I find my pdf or text files?

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