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 1uKdCw-0085Ig-Lr for pgsql-hackers@arkaria.postgresql.org; Thu, 29 May 2025 13:22:06 +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 1uKdCv-008zRn-Cr for pgsql-hackers@arkaria.postgresql.org; Thu, 29 May 2025 13:22:05 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1uKdCv-008zRQ-3d for pgsql-hackers@lists.postgresql.org; Thu, 29 May 2025 13:22:05 +0000 Received: from sss.pgh.pa.us ([68.162.161.243]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1uKdCt-000XtX-1R for pgsql-hackers@lists.postgresql.org; Thu, 29 May 2025 13:22:04 +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 54TDLmFM1876465; Thu, 29 May 2025 09:21:48 -0400 From: Tom Lane To: Daria Shanina cc: Robert Haas , Melanie Plageman , Heikki Linnakangas , pgsql-hackers@lists.postgresql.org Subject: Re: autoprewarm_dump_now In-reply-to: References: <71abd264-1911-46a0-a25b-079a7cfa577a@iki.fi> Comments: In-reply-to Daria Shanina message dated "Thu, 29 May 2025 16:16:13 +0300" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <1876463.1748524908.1@sss.pgh.pa.us> Date: Thu, 29 May 2025 09:21:48 -0400 Message-ID: <1876464.1748524908@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Daria Shanina writes: > I have made a patch, now we can allocate more than 1 GB of memory for the > autoprewarm_dump_now function. Is that solving a real-world problem? If it is, shouldn't we be looking for a different approach that doesn't require such a huge amount of memory? regards, tom lane