Horton

Re: Parallel Index Scans

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Amit Kapila <amit.kapila16@gmail.com>
Cc: Anastasia Lubennikova <a.lubennikova@postgrespro.ru>, Anastasia Lubennikova <lubennikovaav@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>, Rahila Syed <rahilasyed.90@gmail.com>
Date: 2017-02-15T18:57:29Z
Lists: pgsql-hackers 
On Wed, Feb 15, 2017 at 1:39 PM, Robert Haas <robertmhaas@gmail.com> wrote:
> On Wed, Feb 15, 2017 at 7:11 AM, Amit Kapila <amit.kapila16@gmail.com> wrote:>
>> support related patch.  In anycase, to avoid confusion I am attaching
>> all the three patches with this e-mail.
>
> Committed guc_parallel_index_scan_v1.patch, with changes to the
> documentation and GUC descriptions.

And committed parallel_index_opt_exec_support_v10.patch as well, with
a couple of minor tweaks.

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

Commits

  1. Replace min_parallel_relation_size with two new GUCs.

  2. Factor out logic for computing number of parallel workers.

  3. Support condition variables.

  4. Allow parallel custom and foreign scans.

  5. Add a C API for parallel heap scans.