Swap files are not persistant, so they don't really help the OP in persisting his "A day's data is about 10KB so this isn't going to get very large, even after a month; which is about all I want to save."

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
"Too many [] have been sedated by an oppressive environment of political correctness and risk aversion."

In reply to Re^2: More than one way to skin an architecture by BrowserUk
in thread More than one way to skin an architecture by mcoblentz

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