Messages in this thread | | | Date | Fri, 07 Aug 2009 23:26:09 +0200 | From | Bernhard Walle <> | Subject | Re: [Patch 0/7] Implement crashkernel=auto |
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Andi Kleen schrieb: >> As an initial approximation I would use a 32nd of low memory. > > That means a 1TB machine will have a 32GB crash kernel. > > Surely that's excessive?!? > > It would be repeating all the same mistakes people made with hash tables > several years ago.
The idea of Eric was to shrink the reserved memory in an init script. I doubt that the 1 TB machine will have any problems or performance issue when booting with (1 TB - 32 GB) memory.
> It doesn't sound reasonable to Andi. > > Why do you even want to grow the crash kernel that much? Is there > any real problem with a 64-128MB crash kernel?
Try it out. No chance for 64-128MB crashkernel on "medium" IA64 machines.
Regards, Bernhard
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