Simon Riggs <simon@2ndQuadrant.com> writes:
> No real need to be random is there? In the bloated space scenario,
> VACUUM will be triggered but will be unable to remove the empty blocks.
> So in that case VACUUM can hint the FSM to perform "start from beginning
> of relation" behaviour.
No, that's an entirely unrelated issue. My point is that there won't
*be* any empty end blocks unless we discourage FSM from handing out
those pages as insertion targets.
regards, tom lane