"Thomas H." <[EMAIL PROTECTED]> writes:
> this somehow sounds buggy:

vacuum full absolutely *will* bloat your index, if run on a
heavily-modified table.  I do not think it will bloat pg_xlog by itself
however; are you sure you don't have some other open transactions?

> a) .. prevent total diskspace fillup. what happens if i send a cancel =
> signal to the process?

Killing it should not corrupt anything; if it does that IS a serious bug
and will be met with a full alarm response...

                        regards, tom lane

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