Re: [RFC PATCH 0/3] Avoid the use of congestion_wait under zone pressure

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On 04/21/2010 12:23 AM, Christian Ehrhardt wrote:

IMHO it is fine to prevent that nightly backup job from not being
finished when the user arrives at morning because we didn't give him
some more cache

How on earth would a backup job benefit from cache?

It only accesses each bit of data once, so caching the
to-be-backed-up data is a waste of memory.

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