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Re: noatime mounts inhibiting atime updates via utime()
On Tue, Dec 04, 2018 at 08:23:20PM -0800, Jason Thorpe wrote:
> This is especially important with solid state drives. Those inode updates that write less-than-a-NAND-chunk worth fragment the drive's translation tables, which eventually leads to write amplification and reduced lifespan of the drive.
Yes - this originally came to my attention with LFS, where at one
point in the distant past, the atime updates were triggering
full-segment writes for every file *read*!
I think LFS may still have a local workaround for this. Perhaps it
should be generalized.
Thor Lancelot Simon tls%panix.com@localhost
"Whether or not there's hope for change is not the question. If you
want to be a free person, you don't stand up for human rights because
it will work, but because it is right." --Andrei Sakharov
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