Re: Postgres, fsync, and OSs (specifically linux)

On Thu, Nov 8, 2018 at 3:04 PM Thomas Munro
 wrote:
> My reasoning for choosing bms_join() is that it cannot fail, assuming
> the heap is not corrupted.  It simply ORs the two bit-strings into
> whichever is the longer input string, and frees the shorter input
> string.  (In an earlier version I used bms_union(), this function's
> non-destructive sibling, but then realised that it could fail to
> allocate() causing us to lose track of a 1 bit).

Oh, OK.  I was assuming it was allocating.

-- 
Robert Haas
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