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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: 2017-03-22T16:39:13Z
Lists: pgsql-hackers 
On Wed, Mar 22, 2017 at 12:22 PM, Stephen Frost <sfrost@snowman.net> wrote:
> While I understand that you'd like to separate the concerns between
> changing the renaming scheme and changing the default and enabling this
> option, I don't agree that they can or should be independently
> considered.

Well, I don't understand what you think is going to happen here.  Neither
Beena nor any other contributor you don't employ is obliged to write a
patch for those changes because you'd like them to get made, and Peter and
I have already voted against including them.  If you or David want to write
a patch for those changes, post it for discussion, and try to get consensus
to commit it, that's of course your right.  But the patch will be more than
three weeks after the feature freeze deadline and will have two committer
votes against it from the outset.

-- 
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.