Horton

Re: WAL logging problem in 9.4.3?

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: hlinnaka <hlinnaka@iki.fi>
Cc: Simon Riggs <simon@2ndquadrant.com>, Tom Lane <tgl@sss.pgh.pa.us>, Andres Freund <andres@anarazel.de>, Fujii Masao <masao.fujii@gmail.com>, Martijn van Oosterhout <kleptog@svana.org>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2015-07-23T18:38:13Z
Lists: pgsql-hackers 
On Wed, Jul 22, 2015 at 12:21 PM, Heikki Linnakangas <hlinnaka@iki.fi> wrote:
>
> This is more invasive than I'd like to backpatch, but I think it's the
> simplest approach that works, and doesn't disable any of the important
> optimizations we have.

Hmm, isn't HeapNeedsWAL() a lot more costly than RelationNeedsWAL()?
Should we be worried about that?

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

Commits

  1. Add perl2host call missing from a new test file.

  2. Skip WAL for new relfilenodes, under wal_level=minimal.

  3. Revert "Skip WAL for new relfilenodes, under wal_level=minimal."

  4. Back-patch log_newpage_range().

  5. During heap rebuild, lock any TOAST index until end of transaction.

  6. In log_newpage_range(), heed forkNum and page_std arguments.

  7. Back-patch src/test/recovery and PostgresNode from 9.6 to 9.5.

  8. Reduce pg_ctl's reaction time when waiting for postmaster start/stop.

  9. Accelerate end-of-transaction dropping of relations

  10. Redesign the planner's handling of index-descent cost estimation.

  11. Make TRUNCATE do truncate-in-place when processing a relation that was created