Josh Berkus <[EMAIL PROTECTED]> writes:
>>> "There were 33076 unused item pointers."
>>> Is this a count of dead index pointers, or something else?
>> No, it's currently-unused item pointers (a/k/a line pointers) on heap
>> pages. See

> So this would be a count of pointers whose items had already been moved?

Either deleted, or moved to another page during VACUUM FULL compaction.
Such a pointer can be recycled to point to a new item, if there's room
to put another item on its page ... but if not, the pointer is
wasted space.  I don't believe we ever try to physically eliminate
unused item pointers.

                        regards, tom lane

---------------------------(end of broadcast)---------------------------
TIP 7: don't forget to increase your free space map settings

Reply via email to