Re: Better tracking of free space during SP-GiST index build - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Better tracking of free space during SP-GiST index build
Date
Msg-id 18552.1475086262@sss.pgh.pa.us
Whole thread Raw
In response to Re: Better tracking of free space during SP-GiST index build  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: Better tracking of free space during SP-GiST index build  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers
Robert Haas <robertmhaas@gmail.com> writes:
> On Thu, Sep 22, 2016 at 1:37 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> OK, I'll think about how to do that more efficiently.  The smaller
>> incremental improvement isn't surprising, because in this example the
>> index would still be 90-something MB if it had no free space at all,
>> so there's going to be decreasing returns from any additional work
>> to avoid wasted free space.  But if we can do it cheaply, this does
>> suggest that using pages in order by free space is of value.

> Tom, are you planning to do something about this patch yet this
> CommitFest, or leave it until later?

I doubt I will get to it this week, so let's mark it RWF for this fest.
        regards, tom lane



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