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