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Re: FSM and VM file

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Those are the free space map / visibility map files.  There is going to be one of each for every relation.

  No worries :-) They are supposed to be there:

  http://wiki.postgresql.org/wiki/Segment_Visibility_Map


  Don't clean them up, doing so could be disastrous.  Actually, if I were you, I would avoid doing ANY deletes / purges in the data directory.  Everything in there is maintained by the engine.

--Scott

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