Re: Hash Indexes

Robert Haas <robertmhaas@gmail.com>

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>, Mithun Cy <mithun.cy@enterprisedb.com>, pgsql-hackers <pgsql-hackers@postgresql.org>

Date: 2016-11-08T15:54:16Z

Lists: pgsql-hackers

On Mon, Nov 7, 2016 at 9:51 PM, Amit Kapila <amit.kapila16@gmail.com> wrote:
>> Both the places _hash_squeezebucket() and  _hash_splitbucket can use
>> this optimization irrespective of rest of the patch.  I will prepare a
>> separate patch for these and send along with main patch after some
>> testing.
>
> Done as a separate patch skip_dead_tups_hash_index-v1.patch.

Thanks.  Committed.

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

Commits

Remove _hash_wrtbuf() in favor of calling MarkBufferDirty().
- 25216c989384 10.0 landed
Fix race introduced by 6d46f4783efe457f74816a75173eb23ed8930020.
- 2f4193c3509a 10.0 cited
Improve hash index bucket split behavior.
- 6d46f4783efe 10.0 landed
Reduce pinning and buffer content locking for btree scans.
- 2ed5b87f96d4 9.5.0 cited