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Re: increasing the default WAL segment size

Amit Kapila <amit.kapila16@gmail.com>

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From: Amit Kapila <amit.kapila16@gmail.com>
To: Simon Riggs <simon@2ndquadrant.com>
Cc: Beena Emerson <memissemerson@gmail.com>, Peter Eisentraut <peter.eisentraut@2ndquadrant.com>, Kuntal Ghosh <kuntalghosh.2007@gmail.com>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>, Stephen Frost <sfrost@snowman.net>, David Steele <david@pgmasters.net>, tushar <tushar.ahuja@enterprisedb.com>, Prabhat Sahu <prabhat.sahu@enterprisedb.com>, Ashutosh Sharma <ashu.coek88@gmail.com>, Jim Nasby <Jim.Nasby@bluetreble.com>, Andres Freund <andres@anarazel.de>, Robert Haas <robertmhaas@gmail.com>
Date: 2017-04-05T02:47:42Z
Lists: pgsql-hackers 
On Wed, Apr 5, 2017 at 3:36 AM, Simon Riggs <simon@2ndquadrant.com> wrote:
> On 27 March 2017 at 15:36, Beena Emerson <memissemerson@gmail.com> wrote:
>
>> 02-increase-max-wal-segsize.patch - Increases the wal-segsize and changes
>> the internal representation of max_wal_size and min_wal_size to mb.
>
> Committed first part to allow internal representation change (only).
>
> No commitment yet to increasing wal-segsize in the way this patch has it.
>

What part of patch you don't like and do you have any suggestions to
improve the same?

-- 
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com

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.