Re: Maximum extents
Posted in 1997
Mickey Mestel — — source: Informix-list mailing list archive (1991-1998)
Mark D. Stock wrote: > I didn't see the original question, but the limit of 8 extents per table > was up to version 5.x, because only the first 8 extents are tracked in > SHM. > In version 6.x onwards extents are tracked in the virtual portion of > SHM, > and therefore the number is dynamic. cool. i wasn't aware of that. thanks for the update. it's good when things like this are made dynamic. > This is not so true now in 7.x, but is still a good rule of thumb to > bear > in mind, in order to reduce fragmentation of tables. yes, still, you want to keep the number of extents as low as possible, performance degradation due to fragmentation. mickm