Re: parallel explain analyze support not exercised

Andres Freund <andres@anarazel.de>

From: Andres Freund <andres@anarazel.de>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Rafia Sabih <rafia.sabih@enterprisedb.com>, Robert Haas <robertmhaas@gmail.com>, PostgreSQL Developers <pgsql-hackers@postgresql.org>
Date: 2017-04-06T21:36:41Z
Lists: pgsql-hackers
On 2017-04-06 17:33:49 -0400, Tom Lane wrote:
> Andres Freund <andres@anarazel.de> writes:
> > I guess we'll have to see. My personal conclusion is that greater
> > coverage of parallelism is worth some very minor config trouble for
> > people doing installcheck against clusters with non-default config.
> 
> The buildfarm seems entirely unwilling to play along.

That was the parallel bitmap scan test, not this (I think).  I've
already pushed a fix which should address the issue - it at least does
so locally.  Both Dilip and I had apparently forgotten that we disallow
setting effective_io_concurrency on platforms without USE_PREFETCH
support.

- Andres


Commits

  1. Add minimal test for EXPLAIN ANALYZE of parallel query.