Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rfMov-00HDoP-Dj for pgsql-bugs@arkaria.postgresql.org; Wed, 28 Feb 2024 16:30:13 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1rfMot-00C76t-Sy for pgsql-bugs@arkaria.postgresql.org; Wed, 28 Feb 2024 16:30:12 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rfMot-00C76l-Kv for pgsql-bugs@lists.postgresql.org; Wed, 28 Feb 2024 16:30:12 +0000 Received: from sss.pgh.pa.us ([68.162.161.243]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rfMon-001oMV-9U for pgsql-bugs@lists.postgresql.org; Wed, 28 Feb 2024 16:30:11 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.15.2/8.15.2) with ESMTP id 41SGTxOP2316485; Wed, 28 Feb 2024 11:30:00 -0500 From: Tom Lane To: "GADACHA Rachid (Acoss)" cc: "pgsql-bugs@lists.postgresql.org" Subject: Re: [Bugg hash join and parallel worker] In-reply-to: References: Comments: In-reply-to "GADACHA Rachid (Acoss)" message dated "Wed, 28 Feb 2024 14:50:28 +0000" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <2316483.1709137799.1@sss.pgh.pa.us> Content-Transfer-Encoding: quoted-printable Date: Wed, 28 Feb 2024 11:29:59 -0500 Message-ID: <2316484.1709137799@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk "GADACHA Rachid (Acoss)" writes: > We encounter an error when we join 2 subqueries with large tables like b= elow. > ... > Version postgresql : PostgreSQL 13.2 on x86_64-koji-linux-gnu, compiled = by gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-3), 64-bit 13.2 is extremely old. Can you reproduce this on the current minor release (13.14)? regards, tom lane