Thread

  1. Re: [HACKERS] database size

    Bruce Momjian <maillist@candle.pha.pa.us> — 1998-01-07T19:26:49Z

    > A little more accurate by including the tuple rounding before storage.  For
    > me the above would still be true if there is one or two int4s since the four
    > bytes I would save would be taken back by the double-word tuple alignment.
    > 
    > With the current src tree...again, all with aix alignment...
    > 
    >  40 bytes + each row header
    >   8 bytes + two int fields @ 4 bytes each
    > --------- =
    >  48 bytes per tuple (round up to next highest mulitple of 8)
    >   4 bytes + pointer on page to tuple
    > --------- =
    >  52 bytes per tuple
    >  
    
    Thanks.  Updated FAQ.
    
    -- 
    Bruce Momjian
    maillist@candle.pha.pa.us