Re: Hash Indexes

Amit Kapila <amit.kapila16@gmail.com>

From: Amit Kapila <amit.kapila16@gmail.com>

To: Jeff Janes <jeff.janes@gmail.com>

Cc: Jesper Pedersen <jesper.pedersen@redhat.com>, Mithun Cy <mithun.cy@enterprisedb.com>, Robert Haas <robertmhaas@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>

Date: 2016-09-13T11:26:51Z

Lists: pgsql-hackers

Attachments

concurrent_hash_index_v6.patch (application/octet-stream) patch v6

Attached, new version of patch which contains the fix for problem
reported on write-ahead-log of hash index thread [1].

[1] - https://www.postgresql.org/message-id/CAA4eK1JuKt%3D-%3DY0FheiFL-i8Z5_5660%3D3n8JUA8s3zG53t_ArQ%40mail.gmail.com

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

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