Re: Swap maximum size documented ?

[cutaway]

----- Original Message ----- 
From: "Bill Davidsen" <davidsen@xxxxxxx>
To: "William Lee Irwin III" <wli@xxxxxxxxxxxxxx>
Cc: <linux-kernel@xxxxxxxxxxxxxxx>
Sent: Wednesday, June 01, 2005 15:47
Subject: Re: Swap maximum size documented ?


> >
> >>Does this apply to mmap as well? I have an application which currently
> >>uses 9TB of data....

With this much data, you might consider investigating its compressability.
If it turned out to be highly compressable, algorithmic changes in how the
data is handled might considerably lighten the load on MM and disk
subsystems.  Its almost always cheaper to compress/decompress cached data in
memory than hit physical media.

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