Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1i17rI-0000H1-Os for pgsql-admin@arkaria.postgresql.org; Fri, 23 Aug 2019 11:35:56 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1i17rH-00073q-Jm for pgsql-admin@arkaria.postgresql.org; Fri, 23 Aug 2019 11:35:55 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1i17rH-00073j-AX for pgsql-admin@lists.postgresql.org; Fri, 23 Aug 2019 11:35:55 +0000 Received: from n3.nabble.com ([162.255.23.22]) by magus.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1i17rE-0002fb-41 for pgsql-admin@postgresql.org; Fri, 23 Aug 2019 11:35:54 +0000 Received: from n3.nabble.com (localhost [127.0.0.1]) by n3.nabble.com (Postfix) with ESMTP id CB2141690F53F for ; Fri, 23 Aug 2019 04:35:49 -0700 (MST) Date: Fri, 23 Aug 2019 04:35:49 -0700 (MST) From: legrand legrand To: pgsql-admin@postgresql.org Message-ID: <1566560149796-0.post@n3.nabble.com> In-Reply-To: <2A91BEF8171A5349931391E0C721CC5359E73FC3@CPEMS-KPN301.KPNCNL.LOCAL> References: <2A91BEF8171A5349931391E0C721CC5359E73FC3@CPEMS-KPN301.KPNCNL.LOCAL> Subject: Re: Postgres DB Slowness MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk Hi=20 Could you explain us how you test Oracle - Select * from TABLENAME-=20 in takes 0.009 milliseconds Is it with oracle sql developer ? How long does it take with sql*plus ? Note that sql developer only display first 50 or 100 rows , You should use the =C2=AB=C2=A0count rows=C2=A0=C2=BB button to get a bette= r duration estimate. Regards PAscal -- Sent from: https://www.postgresql-archive.org/PostgreSQL-admin-f2076596.htm= l