Re: FSM search modes - Mailing list pgsql-hackers

From Tom Lane
Subject Re: FSM search modes
Date
Msg-id 20677.1254414703@sss.pgh.pa.us
Whole thread Raw
In response to Re: FSM search modes  (Simon Riggs <simon@2ndQuadrant.com>)
List pgsql-hackers
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


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