Received: from localhost (unknown [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id E6CDB6500D1 for ; Tue, 15 Jul 2008 11:25:58 -0300 (ADT) Received: from postgresql.org ([200.46.204.86]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 38735-02 for ; Tue, 15 Jul 2008 11:25:50 -0300 (ADT) 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 postgresql.org (Postfix) with ESMTP id 19318650084 for ; Tue, 15 Jul 2008 11:25:55 -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 m6FEPrsN018882; Tue, 15 Jul 2008 10:25:53 -0400 (EDT) To: "Uwe Bartels" cc: pgsql-performance@postgresql.org Subject: Re: requested shared memory size overflows size_t In-reply-to: <8ea917510807150326l29c4d7e3g722623d6a7bea8d@mail.gmail.com> References: <8ea917510807150326l29c4d7e3g722623d6a7bea8d@mail.gmail.com> Comments: In-reply-to "Uwe Bartels" message dated "Tue, 15 Jul 2008 12:26:23 +0200" Date: Tue, 15 Jul 2008 10:25:53 -0400 Message-ID: <18881.1216131953@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200807/131 X-Sequence-Number: 30731 "Uwe Bartels" writes: > When trying to to set shared_buffers greater then 3,5 GB on 32 GB x86 > machine with solaris 10 I running in this error: > FATAL: requested shared memory size overflows size_t > The solaris x86 ist 64-bit and the compiled postgres is as well 64-bit. Either it's not really a 64-bit build, or you made an error in your math. What did you try to set shared_buffers to, exactly? Did you increase any other parameters at the same time? regards, tom lane