From nobody Thu Apr 07 08:56:26 2022 X-Original-To: freebsd-hackers@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id C741A1AA6C09; Thu, 7 Apr 2022 08:56:30 +0000 (UTC) (envelope-from egoitz@ramattack.net) Received: from cu1208c.smtpx.saremail.com (cu1208c.smtpx.saremail.com [195.16.148.183]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4KYwGj2cvcz3mnC; Thu, 7 Apr 2022 08:56:28 +0000 (UTC) (envelope-from egoitz@ramattack.net) Received: from www.saremail.com (unknown [194.30.0.183]) by sieve-smtp-backend02.sarenet.es (Postfix) with ESMTPA id 6808A60C149; Thu, 7 Apr 2022 10:56:26 +0200 (CEST) List-Id: Technical discussions relating to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-hackers List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-hackers@freebsd.org MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="=_d38b5728c4674c13e58315ae3b5e7d2c" Date: Thu, 07 Apr 2022 10:56:26 +0200 From: egoitz@ramattack.net To: Bob Friesenhahn Cc: freebsd-fs@freebsd.org, freebsd-hackers@freebsd.org, Freebsd performance , owner-freebsd-fs@freebsd.org Subject: Re: {* 05.00 *}Re: Re: Desperate with 870 QVO and ZFS In-Reply-To: References: <4e98275152e23141eae40dbe7ba5571f@ramattack.net> <665236B1-8F61-4B0E-BD9B-7B501B8BD617@ultra-secure.de> <0ef282aee34b441f1991334e2edbcaec@ramattack.net> <28e11d7ec0ac5dbea45f9f271fc28f06@ramattack.net> <7aa95cb4bf1fd38b3fce93bc26826042@ramattack.net> Message-ID: X-Sender: egoitz@ramattack.net User-Agent: Saremail webmail X-Rspamd-Queue-Id: 4KYwGj2cvcz3mnC X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=pass (policy=reject) header.from=ramattack.net; spf=pass (mx1.freebsd.org: domain of egoitz@ramattack.net designates 195.16.148.183 as permitted sender) smtp.mailfrom=egoitz@ramattack.net X-Spamd-Result: default: False [-3.79 / 15.00]; RCVD_TLS_LAST(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; XM_UA_NO_VERSION(0.01)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:195.16.148.0/24]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; ARC_NA(0.00)[]; RCPT_COUNT_FIVE(0.00)[5]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_HAM_SHORT(-1.00)[-1.000]; DMARC_POLICY_ALLOW(-0.50)[ramattack.net,reject]; FROM_NO_DN(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; MLMMJ_DEST(0.00)[freebsd-fs,freebsd-hackers,freebsd-performance]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; ASN(0.00)[asn:3262, ipnet:195.16.128.0/19, country:ES]; RCVD_COUNT_TWO(0.00)[2]; MID_RHS_MATCH_FROM(0.00)[] X-ThisMailContainsUnwantedMimeParts: N --=_d38b5728c4674c13e58315ae3b5e7d2c Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Hi Bob! Thank you so much really for your comments :) :) Wow! I wouldn't have wanted to write in capital letters.... I would have sworn not to have done.... Apologies for that really ..... Note taking mate. We didn't changed almost nothing than the sync param, for avoid modifying the most we could the default config of ZFS. We thought it could perhaps be the most stable config and we have not disk space problems so... Apart of that, for avoid load coming from compression/decompression.... although we have lots of cpu too..... Thanks a lot Bob :) Cheers, El 2022-04-06 22:18, Bob Friesenhahn escribió: > ATENCION > ATENCION > ATENCION!!! Este correo se ha enviado desde fuera de la organizacion. No pinche en los enlaces ni abra los adjuntos a no ser que reconozca el remitente y sepa que el contenido es seguro. > > On Wed, 6 Apr 2022, egoitz@ramattack.net wrote: > WE DON'T USE COMPRESSION AS IT'S NOT SET BY DEFAULT. SOME PEOPLE SAY YOU SHOULD HAVE IT ENABLED.... BUT.... JUST FOR AVOID HAVING SOME DATA COMPRESSED SOME OTHER NOT (IN CASE YOU ENABLE AND LATER DISABLE) AND FINALLY FOR AVOID ACCESSING TO INFORMATION WITH DIFFERENT CPU COSTS OF HANDLING... WE HAVE NOT TOUCHED COMPRESSION.... There seems to be a problem with your caps-lock key. Since it seems that you said that you are using maildir for your mail server, it is likely very useful if you do enable even rather mild compression (e.g. lz4) since this will reduce the write work-load and even short files will be stored more efficiently. Bob --=_d38b5728c4674c13e58315ae3b5e7d2c Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=UTF-8

Hi Bob!


Thank you so much really for your comments :) :)


Wow! I wouldn't have wanted to write in capital letters.... I would have= sworn not to have done.... Apologies for that really .....


Note taking mate. We didn't changed almost nothing than the sync param, = for avoid modifying the most we could the default config of ZFS. We thought= it could perhaps be the most stable config and we have not disk space prob= lems so... Apart of that, for avoid load coming from compression/decompress= ion.... although we have lots of cpu too.....


Thanks a lot Bob :)


Cheers,

 


El 2022-04-06 22:18, Bob Friesenhahn escribió:

= ATENCION
ATENCION
ATENCION= !!! Este correo se ha enviado desde fuer= a de la organizacion. No pinche en los&n= bsp;enlaces ni abra los adjuntos a no se= r que reconozca el remitente y sepa que&= nbsp;el contenido es seguro.

On Wed, 6 Apr 2022, egoitz@ramattack.net wrote:

WE DO= N'T USE COMPRESSION AS IT'S NOT SET BY&n= bsp;DEFAULT. SOME PEOPLE SAY YOU SHOULD HAVE&= nbsp;IT ENABLED.... BUT.... JUST FOR AVOID HA= VING SOME DATA COMPRESSED SOME OTHER NOT = ;(IN CASE YOU ENABLE AND LATER DISABLE) = AND FINALLY FOR AVOID ACCESSING TO INFORMATIO= N WITH DIFFERENT CPU COSTS OF HANDLING...&nbs= p;WE HAVE NOT TOUCHED COMPRESSION....

There seems to b= e a problem with your caps-lock key.
Since it seems that you said that you are using maildir for you= r mail server, it is likely very useful if you do enable even rather mild c= ompression (e.g. lz4) since this will reduce the write work-load and even s= hort files will be stored more efficiently.

Bob
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