Horton

Re: Write Ahead Logging for Hash Indexes

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Amit Kapila <amit.kapila16@gmail.com>
Cc: Jesper Pedersen <jesper.pedersen@redhat.com>, Jeff Janes <jeff.janes@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2017-03-14T17:29:14Z
Lists: pgsql-hackers 
On Mon, Mar 13, 2017 at 11:48 PM, Amit Kapila <amit.kapila16@gmail.com> wrote:
> We didn't found any issue with the above testing.

Great!  I've committed the latest version of the patch, with some
cosmetic changes.

It would be astonishing if there weren't a bug or two left, but I
think overall this is very solid work, and I think it's time to put
this out there and see how things go.

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

Commits

  1. Add a regression test for snapshot too old with hash indexes.

  2. hash: Add write-ahead logging support.

  3. Improve coding in _hash_addovflpage.

  4. Remove _hash_wrtbuf() in favor of calling MarkBufferDirty().

  5. Improve hash index bucket split behavior.