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 1sZbQU-0028Oo-Be for pgsql-general@arkaria.postgresql.org; Thu, 01 Aug 2024 19:25:26 +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 1sZbQS-00CsM8-TB for pgsql-general@arkaria.postgresql.org; Thu, 01 Aug 2024 19:25:24 +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 1sZbQR-00CsLy-I2 for pgsql-general@lists.postgresql.org; Thu, 01 Aug 2024 19:25:24 +0000 Received: from fhigh8-smtp.messagingengine.com ([103.168.172.159]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1sZbQO-002amb-GS for pgsql-general@lists.postgresql.org; Thu, 01 Aug 2024 19:25:22 +0000 Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailfhigh.nyi.internal (Postfix) with ESMTP id D6F75114B009; Thu, 1 Aug 2024 15:25:18 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute1.internal (MEProxy); Thu, 01 Aug 2024 15:25:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aklaver.com; h= cc:cc:content-transfer-encoding:content-type:content-type:date :date:from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to; s=fm2; t=1722540318; x=1722626718; bh=L3EUI3L9B/zzu9wu9SWtfsFSrE42WGHjvFuu41v0vQQ=; b= Z4xPJ8GYIqhzRYx+pCe4EABMAB2KIqYAMFxgQIzYNQHSmu4eOnlniHhdrmf95rQd Hv9bAFSeP0wUuppBeChq8itr4xyvpkk35rBWtXQx9+r26zgnaC4BxlTe1zfzuQYj J0RcVm1YHrHownuzlVCUSYgq0KnnZo0I7VjhDrO3KM9XnlsknskGuA3JorSCygIP tW2MDBHhfKyhUFbZHSvLBf8iwStxTcwCjtoExmaedA/uNw0oNWx5shn7G7INDfoS wPlYAhqaqP2NFecCPANz7r2WyoUwMuTgeQt98CZytAOWPeKA+pny33Ysh1uq9t/v DFvI5ylIVScwCejQPFLBDA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:content-type:date:date:feedback-id:feedback-id :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm3; t=1722540318; x= 1722626718; bh=L3EUI3L9B/zzu9wu9SWtfsFSrE42WGHjvFuu41v0vQQ=; b=d YuHII9fOc8I0OynFBLsEkg3J8wUTeItIlVjDCzEd5o0eRj+d2+yGxbNSaoVHjWFf MJQeqbtj0djhELFOCf05osafEFEK3VBc1rlM/mSLHMER4rqMlB6xI5plYm2vLtCk miB9ZUidckUHwUwDUKZ09PpLBKALl0yhAJ+QaWEiAg/3iSMMELEe3XPEdYxgRoGz Mp6g7Fr2mnA5I+PfCvnAvtKLWPQUjv1oFg0spNGODJ6gPSmwq0AWqy7wM6wi8YZf yhEN5xAC3ynyUU1woL++1KDfyygw7tguG7pkRgrN1k3yXIuqTCeKwdNGjQmt55A8 nS6KOQi5dgkcx5a50IwKg== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeeftddrjeekgddufeekucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepkfffgggfuffvvehfhfgjtgfgsehtjeertddtvdejnecuhfhrohhmpeetughr ihgrnhcumfhlrghvvghruceorggurhhirghnrdhklhgrvhgvrhesrghklhgrvhgvrhdrtg homheqnecuggftrfgrthhtvghrnhephfeviefhveelffeftdehudekveefhfeftdegieef veetfffgfeehtdfftedutedtnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpe hmrghilhhfrhhomheprggurhhirghnrdhklhgrvhgvrhesrghklhgrvhgvrhdrtghomhdp nhgspghrtghpthhtoheptd X-ME-Proxy: Feedback-ID: i76984098:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 1 Aug 2024 15:25:18 -0400 (EDT) Message-ID: <2583d693-f728-46d6-af57-5012cb223b28@aklaver.com> Date: Thu, 1 Aug 2024 12:25:17 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: VACUUM on temp table blocks VACUUM on another... To: Tom Lane , Jim Vanns Cc: pgsql-general@lists.postgresql.org References: <3780009.1722539561@sss.pgh.pa.us> Content-Language: en-US From: Adrian Klaver In-Reply-To: <3780009.1722539561@sss.pgh.pa.us> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On 8/1/24 12:12, Tom Lane wrote: > Jim Vanns writes: >> I have two sessions, each creating a temporary table of the same name - >> 'foobar'. Why would a vacuum of 'foobar' from one session block the vacuum >> of 'foobar' in the other session? > > That's fairly hard to believe. Can you provide a self-contained test > case? Would also be nice to know what version of Postgres and where you are running the server? > > regards, tom lane > > -- Adrian Klaver adrian.klaver@aklaver.com