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Re: increasing the default WAL segment size

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Stephen Frost <sfrost@snowman.net>
Cc: David Steele <david@pgmasters.net>, Beena Emerson <memissemerson@gmail.com>, tushar <tushar.ahuja@enterprisedb.com>, Prabhat Sahu <prabhat.sahu@enterprisedb.com>, Ashutosh Sharma <ashu.coek88@gmail.com>, Jim Nasby <Jim.Nasby@bluetreble.com>, Kuntal Ghosh <kuntalghosh.2007@gmail.com>, Andres Freund <andres@anarazel.de>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
Date: 2017-03-22T17:10:54Z
Lists: pgsql-hackers 
On Wed, Mar 22, 2017 at 12:51 PM, Stephen Frost <sfrost@snowman.net> wrote:
> This would clearly be an adjustment to the submitted patch, which
> happens regularly during the review and commit process and is part of
> the commitfest process, so I don't agree that holding it to new-feature
> level is correct when it's a change which is entirely relevant to this
> new feature, and one which a committer is asking to be included as part
> of the change.  Nor do I feel particularly bad about asking for feature
> authors to be prepared to rework parts of their feature based on
> feedback during the commitfest process.

Obviously, reworking the patch is an expected part of the CommitFest
process.  However, I disagree that what you're asking for can in any
way be fairly characterized that way.  You're not trying to make it do
the thing that it does better or differently.  You're trying to make
it do a second thing.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Make WAL segment size configurable at initdb time.

  2. Perform only one ReadControlFile() during startup.

  3. Introduce BYTES unit for GUCs.

  4. Remove useless duplicate inclusions of system header files.

  5. Refactor other replication commands to use DestRemoteSimple.

  6. Add a SHOW command to the replication command language.

  7. Add a new DestReceiver for printing tuples without catalog access.

  8. Support fls().

  9. Extend yesterday's patch making BLCKSZ and RELSEG_SIZE configurable to also

  10. Commit the reasonably uncontroversial parts of J.R. Nield's PITR patch, to

  11. XLOG (also known as WAL -:)) Bootstrap/Startup/Shutdown.

  12. Transaction log manager core code.