Horton

Re: WIP: Avoid creation of the free space map for small tables

John Naylor <john.naylor@2ndquadrant.com>

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From: John Naylor <john.naylor@2ndquadrant.com>
To: Amit Kapila <amit.kapila16@gmail.com>
Cc: Mithun Cy <mithun.cy@enterprisedb.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2019-03-15T10:10:16Z
Lists: pgsql-hackers

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On Fri, Mar 15, 2019 at 5:55 PM Amit Kapila <amit.kapila16@gmail.com> wrote:
> I have committed the latest version of this patch.  I think we can
> wait for a day or two see if there is any complain from buildfarm or
> in general and then we can close this CF entry.  IIRC, this was the
> last patch in the series, right?

Great, thanks! I'll keep an eye on the buildfarm as well.

I just spotted two comments in freespace.c that were true during
earlier patch revisions, but are no longer true, so I've attached a
fix for those. There are no other patches in the series.

-- 
John Naylor                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

Commits

  1. Improve code comments in b0eaa4c51b.

  2. During pg_upgrade, conditionally skip transfer of FSMs.

  3. Add more tests for FSM.

  4. Doc: Update the documentation for FSM behavior for small tables.

  5. Make FSM test portable.

  6. Avoid creation of the free space map for small heap relations, take 2.

  7. Move page initialization from RelationAddExtraBlocks() to use, take 2.

  8. Avoid creation of the free space map for small heap relations.

  9. In bootstrap mode, don't allow the creation of files if they don't already