Re: [PATCH 00/23] per device dirty throttling -v8

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Jeff Garzik wrote:
Bill Davidsen wrote:
Being standards compliant is not an argument it's a design goal, a requirement. Standards compliance is like pregant, you are or you're

Linux history says different. There was always the "final 1%" of compliance that required silliness we really did not want to bother with.

This is not 1%, this is a user-visible change in behavior, relative to all previous Linux versions. There has been a way for ages to trade performance for standards for users or distributions, and standards have been chosen. Given that there is now a way to get virtually all of the performance without giving up atime completely, why the sudden attempt to change to a less satisfactory default?

I could understand a push to quickly get relatime with a few enhancements (the functionality if not the exact code) into distributions, even as a default, but forcing user or distribution changes just to retain the same dehavior doesn't seem reasonable. It assumes that vendors and users are so stupid they can't understand why benchmark results and more important than standards. People who run servers are smart enough to decide if their application will run as expected without atime.

People have lived with this compromise for a very long time, and it seems that a far more balanced solution will be in the kernel soon.

--
bill davidsen <[email protected]>
 CTO TMR Associates, Inc
 Doing interesting things with small computers since 1979

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