Review request for 5049299 (original) (raw)
Andrew Haley aph at redhat.com
Fri May 29 10🔞28 UTC 2009
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Florian Weimer wrote:
* Andrew Haley:
The latter leads to problems if the maximum heap size is relatively large. Currently, -Xmx is reserved, and some software fails to build on vm.overcommitmemory systems due to this. I don't get it. Why would overcommit cause some software to fail to build? I can understand it failing if overcommit was turned off. Sorry, I meant to write "vm.overcommitmemory=2".
Well, the system is doing what the user asked it to do. -Xmx means "please reserve this memory for me, Hal"; if the memory isn't there, then it's surely quite reasonable for Hal to respond "I'm sorry Dave, I can't do that."
If you see what I mean. :-)
Andrew.
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