From: Dmitry Bogatov Date: Thu, 24 Jul 2014 19:49:46 +0000 (+0400) Subject: Re: Notmuch new speed degradation X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=5b216013d4c6e6b754c7e8407e605cfe6eadcd53;p=notmuch-archives.git Re: Notmuch new speed degradation --- diff --git a/95/7ea12952de2835a950858d3f18af691abc6614 b/95/7ea12952de2835a950858d3f18af691abc6614 new file mode 100644 index 000000000..94be5caf2 --- /dev/null +++ b/95/7ea12952de2835a950858d3f18af691abc6614 @@ -0,0 +1,105 @@ +Return-Path: +X-Original-To: notmuch@notmuchmail.org +Delivered-To: notmuch@notmuchmail.org +Received: from localhost (localhost [127.0.0.1]) + by olra.theworths.org (Postfix) with ESMTP id 572C8431FBD + for ; Thu, 24 Jul 2014 12:50:10 -0700 (PDT) +X-Virus-Scanned: Debian amavisd-new at olra.theworths.org +X-Spam-Flag: NO +X-Spam-Score: -3.14 +X-Spam-Level: +X-Spam-Status: No, score=-3.14 tagged_above=-999 required=5 + tests=[RCVD_IN_BL_SPAMCOP_NET=1.246, RCVD_IN_DNSWL_HI=-5, + RCVD_IN_SORBS_WEB=0.614] autolearn=disabled +Received: from olra.theworths.org ([127.0.0.1]) + by localhost (olra.theworths.org [127.0.0.1]) (amavisd-new, port 10024) + with ESMTP id Sz+fTV6Tx0qR for ; + Thu, 24 Jul 2014 12:50:03 -0700 (PDT) +Received: from fencepost.gnu.org (fencepost.gnu.org [208.118.235.10]) + (using TLSv1 with cipher AES256-SHA (256/256 bits)) + (No client certificate requested) + by olra.theworths.org (Postfix) with ESMTPS id 637D3431FAF + for ; Thu, 24 Jul 2014 12:50:03 -0700 (PDT) +Received: from [46.20.46.153] (port=44724 helo=localhost) + by fencepost.gnu.org with esmtpsa (TLS1.0:RSA_AES_128_CBC_SHA1:16) + (Exim 4.71) (envelope-from ) + id 1XAP1W-0005Wk-VV; Thu, 24 Jul 2014 15:49:56 -0400 +Date: Thu, 24 Jul 2014 23:49:46 +0400 +From: Dmitry Bogatov +To: Austin Clements +Subject: Re: Notmuch new speed degradation +Message-ID: <20140724194946.GA4724@localhost> +References: <20140724081916.GA32474@localhost> + <20140724143214.GA13893@mit.edu> +MIME-Version: 1.0 +Content-Type: multipart/signed; micalg=pgp-sha1; + protocol="application/pgp-signature"; boundary="jI8keyz6grp/JLjh" +Content-Disposition: inline +In-Reply-To: <20140724143214.GA13893@mit.edu> +X-Haskell-Quote: IO String contains a String in the same way that /bin/ls + contains a list of files +Organization: Church of GNU +X-Perfect-World: There should be one -- and preferably only one -- obvious + way to do it. +User-Agent: Mutt/1.5.22.1 (2013-10-16) +Cc: notmuch@notmuchmail.org +X-BeenThere: notmuch@notmuchmail.org +X-Mailman-Version: 2.1.13 +Precedence: list +List-Id: "Use and development of the notmuch mail system." + +List-Unsubscribe: , + +List-Archive: +List-Post: +List-Help: +List-Subscribe: , + +X-List-Received-Date: Thu, 24 Jul 2014 19:50:10 -0000 + + +--jI8keyz6grp/JLjh +Content-Type: text/plain; charset=us-ascii +Content-Disposition: inline + +* Austin Clements [2014-07-24 10:32:14-0400] +> Hi Dmitry. My guess is that's you've exceeded your OS buffer cache +> size by enough that most B-tree reads are going to disk at least once. +> How big is your database (du -h $MAIL/.notmuch/xapian) and what does +> free -h report on that computer? Also, is this on an SSD or an HDD? + +13Gb on HDD, 9G after compact. Compact did not improved indexing speed, +unfortunately. Maybe it is possible to somehow merge databases? + + total used free shared buffers cached +Mem: 7,7G 6,5G 1,2G 240M 826M 3,6G +-/+ buffers/cache: 2,1G 5,6G +Swap: 1,9G 66M 1,8G + +-- +Best regards, Dmitry Bogatov , +Free Software supporter, esperantisto and netiquette guardian. +GPG: 54B7F00D + +--jI8keyz6grp/JLjh +Content-Type: application/pgp-signature + +-----BEGIN PGP SIGNATURE----- +Version: GnuPG v2 + +iQIcBAEBAgAGBQJT0WNaAAoJEHiL4BJUt/ANuq0P/RQL9FphQmTTcYcGokscxhHx +W/wynCkUGQE1NAVvfmKWHM2xeAxXENdpDNOW23+wvRi59V+O3vS+zYbJppjvoq8d +DyaBaZ7gJQRslZ21QZrvO7Ww8kRGKRKX4eX60N/99Iw97sMRDiONlsuPLfaCidVs +6QiEQVj9XsCctQ2mOKMhSu+U0LzBohwpL2QYjyduCP3KyNnv9XfH8eBgnhVI2neM +6WB0D8Tc8tmV7CtLhjqzzu83TJ/qrQ6Cc/umDtcAZKH7lujFGA8r5EhMUUAEz9RO +FjRE8pTHcvAZQMTjogtai5YWgYI42NPG7rhB+SdmwsHi/obTRH5GIRhcV4LaseG6 +vTYRiakirhGQI2b0qcry8Jp4t3lIEUIrzp+ujm6Zo/PDonlAi2FWSrzXMHixoLz4 +Q8F5BQLEWo0ZNnY6uFKBZgR7F6InLU6alQigb2bn8FSYvRQblV01DWZVGZcSqprO +twSEJ5t1X5pfQu/2OarG28ea+JtcXxyu2hrD9j0GvOQ0w6vNfgPCh8jI5jkUq32m +TtFAI5N+C8mK5vNzMVscvsHNRuRYA4JB7kCUGpOfgfwExJH494FUi/shCH4iWOwP +o7lDpb7+8090RC09lUPh/j+GwLxoWLScaFBSSSUmEjujGq4ba+69JWQ7UZRRE++e +a4QgxvzGMoX9fKyYvPOm +=GY6e +-----END PGP SIGNATURE----- + +--jI8keyz6grp/JLjh--