Received: from malur.postgresql.org ([217.196.149.56])
	by arkaria.postgresql.org with esmtps
 (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256)
	(Exim 4.89)
	(envelope-from <pgsql-hackers-owner+archive@lists.postgresql.org>)
	id 1ehiOM-0006dk-Hv
	for pgsql-hackers@arkaria.postgresql.org; Fri, 02 Feb 2018 20:57:02 +0000
Received: from localhost ([127.0.0.1] helo=malur.postgresql.org)
	by malur.postgresql.org with esmtp (Exim 4.84_2)
	(envelope-from <pgsql-hackers-owner+archive@lists.postgresql.org>)
	id 1ehiOL-0002kq-8T
	for pgsql-hackers@arkaria.postgresql.org; Fri, 02 Feb 2018 20:57:01 +0000
Received: from makus.postgresql.org ([2001:4800:1501:1::229])
	by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256)
	(Exim 4.84_2)
	(envelope-from <tgl@sss.pgh.pa.us>)
	id 1ehiOK-0002kg-UU
	for pgsql-hackers@lists.postgresql.org; Fri, 02 Feb 2018 20:57:01 +0000
Received: from sss.pgh.pa.us ([66.207.139.130])
	by makus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256)
	(Exim 4.89)
	(envelope-from <tgl@sss.pgh.pa.us>)
	id 1ehiOI-0007Tu-Jg
	for pgsql-hackers@postgresql.org; Fri, 02 Feb 2018 20:56:59 +0000
Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1])
	by sss.pgh.pa.us (8.14.4/8.14.4) with ESMTP id w12KuuwA005930;
	Fri, 2 Feb 2018 15:56:56 -0500
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Haas <robertmhaas@gmail.com>
cc: Dilip Kumar <dilipbalaut@gmail.com>,
        Thomas Munro <thomas.munro@enterprisedb.com>,
        Jakub Glapa <jakub.glapa@gmail.com>,
        pgsql-hackers <pgsql-hackers@postgresql.org>
Subject: Re: ERROR: too many dynamic shared memory segments
In-reply-to: 
 <CA+TgmoYvMYO2vX5WKPb06J_XE8=jxrFR2Ugc9FXywYgnZES8kQ@mail.gmail.com>
References: 
 <CAJk1zg1LpAAQ3w2bekWd7cbNppBrcgO2baa4zm+Fp=nwQ=MaUg@mail.gmail.com>
 <CAEepm=1C6rXmUpUtj0pNmS4AEEFTOcJOXXF1BLA1SMmSwZX9Yw@mail.gmail.com>
 <CAJk1zg2XqYa1Dx14z9X3qkUgWH6kpoNbvSGT_=NtzDPnMhfFHg@mail.gmail.com>
 <CAEepm=1TVDQYEgCJLj-P-zFT0gKDEubz+qbxqD8i4hxiAjZRkw@mail.gmail.com>
 <CAJk1zg0MPjTL1=NQ4a3PcYnc6jzfk7ZqZ91Wn+Sam9EZmbEYMw@mail.gmail.com>
 <CAEepm=0kADK5inNf_KuemjX=HQ=PuTP0DykM--fO5jS5ePVFEA@mail.gmail.com>
 <CAFiTN-uhcNiaQK9aS0_REr=7YDwgDUU11uWE4mG7t_Rq7Y-GkA@mail.gmail.com>
 <CA+TgmoYWDCbVDy7KYCUuXOWLjC2FqPmrcEZP3dn+K4AsL4DkHA@mail.gmail.com>
 <CAFiTN-u7j1QSqaa54qJiA8o2C+21YMy6kgFk-TaaiFgLjU234A@mail.gmail.com>
 <CA+Tgmob8LFw55DzH1QEREpBEA9RJ_W_amhBFCVZ6WMwUhVpOqg@mail.gmail.com>
 <3647.1517601675@sss.pgh.pa.us>
 <CA+TgmoYvMYO2vX5WKPb06J_XE8=jxrFR2Ugc9FXywYgnZES8kQ@mail.gmail.com>
Comments: In-reply-to Robert Haas <robertmhaas@gmail.com>
	message dated "Fri, 02 Feb 2018 15:19:49 -0500"
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-ID: <5928.1517605016.1@sss.pgh.pa.us>
Date: Fri, 02 Feb 2018 15:56:56 -0500
Message-ID: <5929.1517605016@sss.pgh.pa.us>
List-Id: <pgsql-hackers.lists.postgresql.org>
List-Help: <https://lists.postgresql.org/manage/>
List-Subscribe: <https://lists.postgresql.org/manage/>
List-Post: <mailto:pgsql-hackers@lists.postgresql.org>
List-Owner: <mailto:pgsql-hackers-owner@lists.postgresql.org>
List-Archive: <https://www.postgresql.org/list/pgsql-hackers>
Precedence: bulk

Robert Haas <robertmhaas@gmail.com> writes:
> On Fri, Feb 2, 2018 at 3:01 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Do you mind if I change that Assert to a run-time test?

> Hrm, I guess I could have done something like
> shm_toc_lookup(pcxt->toc, PARALLEL_KEY_ERROR_QUEUE, (pcxt->nworkers ==
> 0)).

OK, that'd work too.  I'll make it so.

			regards, tom lane