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 1go68V-0005Fh-R6 for pgsql-admin@arkaria.postgresql.org; Mon, 28 Jan 2019 12:35:35 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1go68U-0005G3-Gm for pgsql-admin@arkaria.postgresql.org; Mon, 28 Jan 2019 12:35:34 +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 1go68U-0005Fs-87 for pgsql-admin@lists.postgresql.org; Mon, 28 Jan 2019 12:35:34 +0000 Received: from mail-dasl.optinet.hr ([85.114.35.2]) by magus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1go68R-0002gq-F6 for pgsql-admin@lists.postgresql.org; Mon, 28 Jan 2019 12:35:33 +0000 Received: from [192.168.0.20] (89-201-193-10.dsl.optinet.hr [89.201.193.10]) by mail-dasl.optinet.hr (OptimaMail-adsl2) with SMTP for pgsql-admin@lists.postgresql.org; Mon, 28 Jan 2019 13:35:23 +0100 (CET) Subject: Re: IO scheduler recommendation To: pgsql-admin@lists.postgresql.org References: From: =?UTF-8?Q?Arni_Kromi=c4=87?= Message-ID: <234bc707-910d-249e-7c5f-44ccfc2bbc72@bios-ict.hr> Date: Mon, 28 Jan 2019 13:35:23 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/alternative; boundary="------------B33268C46E4FF4905FD1AE03" Content-Language: en-US X-OM-Umi: 89.201.193.10:52550:521865 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk This is a multi-part message in MIME format. --------------B33268C46E4FF4905FD1AE03 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit On 21/01/2019 12.04, AB_ba# wrote: > Hello , > > I searched the complete PostgreSQL Documentation but didn't get > anything with respect to IO scheduler recommendation. > What is being recommended by PostgreSQL ? > Which is the best IO scheduler considering the Data is hosted on NFS? > > > -- > Thanks and Regards > ANUP BHARTI AFAIK, IO scheduler cannot be set for NFS; it's not a real block storage device. -- Kind Regards, Arni Kromić --------------B33268C46E4FF4905FD1AE03 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit
On 21/01/2019 12.04, AB_ba# wrote:
Hello ,

I searched the complete PostgreSQL Documentation but didn't get anything with respect to IO scheduler recommendation.
What is being recommended by PostgreSQL ?
Which is the best IO scheduler considering the Data is hosted on NFS?


--
Thanks and Regards
ANUP BHARTI

AFAIK, IO scheduler cannot be set for NFS; it's not a real block storage device. 
-- 
Kind Regards,
Arni Kromić
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