Horton

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

Alvaro Herrera <alvherre@2ndquadrant.com>

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From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Amit Kapila <amit.kapila16@gmail.com>
Cc: John Naylor <john.naylor@2ndquadrant.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2019-02-21T04:35:13Z
Lists: pgsql-hackers 
On 2019-Feb-21, Amit Kapila wrote:

> On Wed, Feb 20, 2019 at 8:08 PM Alvaro Herrera <alvherre@2ndquadrant.com> wrote:
> >
> > Please remember to keep serial_schedule in sync.
> 
> I don't understand what you mean by this?  It is already present in
> serial_schedule.  In parallel_schedule, we are just moving this test
> to one of the parallel groups.  Do we need to take care of something
> else?

Just to make sure it's in the same relative position.

-- 
Álvaro Herrera                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