From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from localhost (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id B126122F74 for ; Mon, 11 Feb 2019 13:17:27 -0500 (EST) Received: from turing.freelists.org ([127.0.0.1]) by localhost (turing.freelists.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ZtZU5Hg9rp-I for ; Mon, 11 Feb 2019 13:17:27 -0500 (EST) Received: from smtp45.i.mail.ru (smtp45.i.mail.ru [94.100.177.105]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTPS id 6E0FF22F08 for ; Mon, 11 Feb 2019 13:17:27 -0500 (EST) Received: from [185.6.245.178] (port=33236 helo=atlas.local) by smtp45.i.mail.ru with esmtpa (envelope-from ) id 1gtG8z-0002WC-SN for tarantool-patches@freelists.org; Mon, 11 Feb 2019 21:17:25 +0300 Date: Mon, 11 Feb 2019 21:17:25 +0300 From: Konstantin Osipov Subject: [tarantool-patches] Re: [PATCH v2 4/8] vinyl: keep track of dumps per compaction for each LSM tree Message-ID: <20190211181725.GC9960@chai> References: <8fb3fe3256e5423d50cb22abda3cc5a3219d6a40.1548349067.git.vdavydov.dev@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <8fb3fe3256e5423d50cb22abda3cc5a3219d6a40.1548349067.git.vdavydov.dev@gmail.com> Sender: tarantool-patches-bounce@freelists.org Errors-to: tarantool-patches-bounce@freelists.org Reply-To: tarantool-patches@freelists.org List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: tarantool-patches List-subscribe: List-owner: List-post: List-archive: To: tarantool-patches@freelists.org * Vladimir Davydov [19/01/24 20:16]: > This patch adds dumps_per_compaction metric to per index statistics. It > shows the number of dumps it takes to trigger a major compaction of a > range in a given LSM tree. We need it to automatically choose the > optimal number of ranges that would smooth out the load generated by > range compaction. The version of this patch which is on the branch is OK to push (adding average instead of heap). -- Konstantin Osipov, Moscow, Russia, +7 903 626 22 32 http://tarantool.io - www.twitter.com/kostja_osipov