Received: from maia.hub.org (unknown [200.46.204.183]) by mail.postgresql.org (Postfix) with ESMTP id EC3FF636AD5; Tue, 20 Apr 2010 11:35:13 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 74134-06-3; Tue, 20 Apr 2010 14:35:03 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by mail.postgresql.org (Postfix) with ESMTP id C65CD636C4D; Tue, 20 Apr 2010 10:40:30 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.2/8.14.2) with ESMTP id o3KDe6sQ025869; Tue, 20 Apr 2010 09:40:06 -0400 (EDT) To: Robert Haas cc: Fujii Masao , Josh Berkus , Kevin Grittner , Heikki Linnakangas , pgsql-docs@postgresql.org, PostgreSQL-development Subject: Re: [HACKERS] Streaming replication document improvements In-reply-to: References: <3f0b79eb1003300152g5327eb47w8f9aecae6002b215@mail.gmail.com> <4BB49B0C.1050901@enterprisedb.com> <19262.1270142946@sss.pgh.pa.us> <4BB4952D0200002500030333@gw.wicourts.gov> <4BB4DBEF.3010301@agliodbs.com> Comments: In-reply-to Robert Haas message dated "Tue, 20 Apr 2010 06:52:11 -0400" Date: Tue, 20 Apr 2010 09:40:05 -0400 Message-ID: <25868.1271770805@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=2.409 tagged_above=-10 required=5 tests=BAYES_00=-1.9, FS_REPLICA=3.599, SARE_SPEC_REPLICA=0.72, T_RP_MATCHES_RCVD=-0.01 X-Spam-Level: ** X-Archive-Number: 201004/65 X-Sequence-Number: 5464 Robert Haas writes: > If replication connections can use up superuser_reserved_connections > slots, then it's very possible that this safety valve will fail > completely. Only if replication can use up *all* the superuser_reserved_connections slots. regards, tom lane