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 1uf18M-0011KE-0M for pgsql-hackers@arkaria.postgresql.org; Thu, 24 Jul 2025 18:57:38 +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 1uf18J-00AEHq-UZ for pgsql-hackers@arkaria.postgresql.org; Thu, 24 Jul 2025 18:57:36 +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 1uf18J-00AEHi-Kz for pgsql-hackers@lists.postgresql.org; Thu, 24 Jul 2025 18:57:35 +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 4.96) (envelope-from ) id 1uf18G-000eHR-1u for pgsql-hackers@lists.postgresql.org; Thu, 24 Jul 2025 18:57:35 +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 56OIvTxS1691196; Thu, 24 Jul 2025 14:57:29 -0400 From: Tom Lane To: Michael Paquier cc: Postgres hackers , Erik Wienhold Subject: Re: Regression with large XML data input In-reply-to: <1685956.1753380629@sss.pgh.pa.us> References: <1569825.1753327718@sss.pgh.pa.us> <1685956.1753380629@sss.pgh.pa.us> Comments: In-reply-to Tom Lane message dated "Thu, 24 Jul 2025 14:10:29 -0400" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <1691194.1753383449.1@sss.pgh.pa.us> Date: Thu, 24 Jul 2025 14:57:29 -0400 Message-ID: <1691195.1753383449@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Michael Paquier writes: >>> A customer has reported a regression with the parsing of rather large >>> XML data, introduced by the set of backpatches done with f68d6aabb7e2 >>> & friends. BTW, further testing shows that the same failure occurs at f68d6aabb7e2^. So AFAICS, the answer as to why the behavior changed there is that it didn't. regards, tom lane