Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1n9x24-0001OS-TT for pgsql-hackers@arkaria.postgresql.org; Tue, 18 Jan 2022 22:32:52 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1n9x23-0000Ob-P0 for pgsql-hackers@arkaria.postgresql.org; Tue, 18 Jan 2022 22:32:51 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1n9x23-0000OS-FN for pgsql-hackers@lists.postgresql.org; Tue, 18 Jan 2022 22:32:51 +0000 Received: from wout2-smtp.messagingengine.com ([64.147.123.25]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1n9x21-0006i9-0i for pgsql-hackers@postgresql.org; Tue, 18 Jan 2022 22:32:50 +0000 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.west.internal (Postfix) with ESMTP id 0D3093201FB9; Tue, 18 Jan 2022 17:32:46 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Tue, 18 Jan 2022 17:32:47 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=anarazel.de; h= date:from:to:cc:subject:message-id:references:mime-version :content-type:in-reply-to; s=fm3; bh=rFsppwsjYkPzXCCq/Wk1i7JJeMw RJFzyUt9ILlUY9Zk=; b=y0aP4Wurc1ddJsgmPcHxhQHSO1boxuw1l6jX8fNmQyc XD2ACPwtGBpkAwhnbZT//+vwN0Jl3zZJxAbPIoLtTqJVdROdm6CclCRCzZkyBCqS 1aEYUt7djRu/eqOBiAf7s/wC0ssX33PJR21dRMsZQdHTka3qpPIuo8hT8ifxG6yT Y6nWeCPEfzMS8kgFmcAwVob/TEL5z0U2T4k7uA5p3hg0PPvA3b8HQDCOw4OlZIqZ yEyA6SwAzrn+a7Wg7RFR/pbf9f12czBAHr1jhlzQ/CvI2RidgwOYdSDAxwwQv3m9 peA9pWYYQOLIhQo06NkV361HbvPvxvfMhsVGAUROT6w== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm1; bh=rFsppw sjYkPzXCCq/Wk1i7JJeMwRJFzyUt9ILlUY9Zk=; b=dYyVfh9uPn/COwXoLqMfM7 4I2sQluoeRcHhcxPqoykikKPm0JxsiW4GS9+CAy2hx4+NcLUUNDzRYdD0W/tMIrd oQ0CtFs0nRjONOeOY26NULY6DVm78Tad+G71YnI7EU3LaVcN/J2iUnqXaE5J3wEU K3GAeJh0IFttWxj5WrxZwcbrSEPCSco9Fz/RM/SWLWabZP8jRCNgvkIGB3Mc3QdL rSI4MprEwr9A049boNcLXcpamuTs1fqOlHsrTtxn6wZukcWn4oPJS0DmsshYh87L bBoPJAKIbZba1xbz7+6NJWGG7fwmXykXQvelLlPBXWyRfCRKHTQpbCKu3tOZp6/A == X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvvddrudefgdduiedvucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvffukfhfgggtuggjsehttdertddttddvnecuhfhrohhmpeetnhgurhgv shcuhfhrvghunhguuceorghnughrvghssegrnhgrrhgriigvlhdruggvqeenucggtffrrg htthgvrhhnpedukefhkeelueegveetheelffffjeegleeuudelfeefuedtleffueejfffh ueffudenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpe grnhgurhgvshesrghnrghrrgiivghlrdguvg X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Tue, 18 Jan 2022 17:32:46 -0500 (EST) Date: Tue, 18 Jan 2022 14:32:44 -0800 From: Andres Freund To: James Coleman Cc: Alvaro Herrera , pgsql-hackers Subject: Re: Add last commit LSN to pg_last_committed_xact() Message-ID: <20220118223244.jqclm2k6yfblq76c@alap3.anarazel.de> References: <202201172134.ftvqmoyewxkg@alvherre.pgsql> <20220118213233.43evzhdhz24b6l33@alap3.anarazel.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On 2022-01-18 16:40:25 -0500, James Coleman wrote: > If I read between the lines I imagine you'd see even e.g. every 2s as > not that big of a deal here, right? Right. Even every 0.2s wouldn't be a problem.