Comment #23 on issue 847 by vego...@chromium.org: 1gb memory limit http://code.google.com/p/v8/issues/detail?id=847
Yes, issue described in the comment #18 is not related to GC. It is related to the way external array's length is represented in the object (31-bit signed integer).
Also clarification to the comment #21: --max-old-space-size=2000 is just an example. You should be able to put any value there. Everything depends on how much memory the OS will allow V8 to take. V8 will not try to reserve the whole X mb of memory at once. It will request more pages from the OS as the JS heap grows.
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