X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id EDEB052862 for ; Tue, 28 Jun 2005 03:18:54 -0300 (ADT) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 32056-08 for ; Tue, 28 Jun 2005 06:18:45 +0000 (GMT) Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by svr1.postgresql.org (Postfix) with ESMTP id 1A9DA52818 for ; Tue, 28 Jun 2005 03:18:44 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.13.1/8.13.1) with ESMTP id j5S6IiHG011352; Tue, 28 Jun 2005 02:18:44 -0400 (EDT) To: meetesh.karia@alumni.duke.edu Cc: pgsql-performance@postgresql.org Subject: Re: How are text columns stored? In-reply-to: References: Comments: In-reply-to Meetesh Karia message dated "Thu, 23 Jun 2005 12:40:15 +0200" Date: Tue, 28 Jun 2005 02:18:44 -0400 Message-ID: <11351.1119939524@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.006 tagged_above=0 required=5 tests=AWL X-Spam-Level: X-Archive-Number: 200506/537 X-Sequence-Number: 13174 Meetesh Karia writes: > According to section 8.3 of the doc: > "Long values are also stored in background tables so they do not interfere > with rapid access to the shorter column values." > So, how long does a value have to be to be considered "long"? Several kilobytes. regards, tom lane