On Mon, Mar 23, 2009 at 1:45 AM, Howard Lewis Ship <[email protected]> wrote:
> If you have a long running process that continually modifies a
> collection and retains the new version ... does the new version retain
> the old version?  For how long?

In general, I think it's safe to assume that anything in the old
version that is not shared with the new version is collectable,
assuming you don't have anything still pointing at the head of the old
version.  An exception to this is subvectors.

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