[Scons-users] max-drift vs. Decider

[Alexander Tsvetkov]

Thank you, Dirk, it makes perfect sense.
Looks like for all-local sources a value of 1 second should be perfectly
fine.


On Tue, Apr 2, 2013 at 3:29 AM, Dirk Bächle <tshortik at gmx.de> wrote:


> Alex,

>

> just want to add one more thing that may not be obvious from my previous

> explanations. The safety-critical case happens, when you use the output of

> machines, drifting in time, combined in a CacheDir.

> Now it may occur that one machine writes a changed object file to the

> cached folder, but the mtime of the file is the same as before, by accident.

>

> This is what max-drift tries to protect you against. And this also makes

> clear that by reducing or increasing max-drift, you'll have to trade-off

> between speed and safety for your builds.

>

> Dirk

>

>

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