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 8996C25B8F for ; Tue, 19 Jun 2018 03:20:45 -0400 (EDT) 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 B1dwjrkGWJpv for ; Tue, 19 Jun 2018 03:20:45 -0400 (EDT) Received: from smtp51.i.mail.ru (smtp51.i.mail.ru [94.100.177.111]) (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 48B8A25B8E for ; Tue, 19 Jun 2018 03:20:45 -0400 (EDT) Subject: [tarantool-patches] Re: [PATCH 0/2][vshard] Vshard safe reload References: From: Alex Khatskevich Message-ID: Date: Tue, 19 Jun 2018 10:20:38 +0300 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Transfer-Encoding: 8bit Content-Language: en-US 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: Vladislav Shpilevoy , tarantool-patches@freelists.org > Please, describe here the point of the patchset. > It could be not obvious for a witness. > >> Branch: https://github.com/tarantool/vshard/tree/kh/gh-112-reload-mt-2 >> Issue: https://github.com/tarantool/vshard/issues/112 >> >> Two commits: >>   * Add test on error during reconfigure >>   * Complete module reload >>       reloads entire vshard, deprecating old objects The aim of this patchset is to give a user ability to update Vshard version without restarting a server, even in case some relatively noticeable changes happened in the Vshard. Vshard will:   * reuse old connections   * outdate old user-visible objects (replica, replicaset) wich a specified delay   * reuse route map (after #117)   * reload background fibers