Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id 47A71200CF7 for ; Tue, 15 Aug 2017 05:07:11 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 448A4165971; Tue, 15 Aug 2017 03:07:11 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id 8D4FC165998 for ; Tue, 15 Aug 2017 05:07:10 +0200 (CEST) Received: (qmail 5268 invoked by uid 500); 15 Aug 2017 03:07:09 -0000 Mailing-List: contact commits-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@cassandra.apache.org Delivered-To: mailing list commits@cassandra.apache.org Received: (qmail 5151 invoked by uid 99); 15 Aug 2017 03:07:09 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd1-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 15 Aug 2017 03:07:09 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd1-us-west.apache.org (ASF Mail Server at spamd1-us-west.apache.org) with ESMTP id 1DAB7C3153 for ; Tue, 15 Aug 2017 03:07:08 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd1-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -100.002 X-Spam-Level: X-Spam-Status: No, score=-100.002 tagged_above=-999 required=6.31 tests=[RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd1-us-west.apache.org [10.40.0.7]) (amavisd-new, port 10024) with ESMTP id U0hbRxVGn-EZ for ; Tue, 15 Aug 2017 03:07:07 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTP id 0F1F0611C3 for ; Tue, 15 Aug 2017 03:07:06 +0000 (UTC) Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id 7718EE0EED for ; Tue, 15 Aug 2017 03:07:04 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id 69FFC241F5 for ; Tue, 15 Aug 2017 03:07:01 +0000 (UTC) Date: Tue, 15 Aug 2017 03:07:01 +0000 (UTC) From: "Igor Zubchenok (JIRA)" To: commits@cassandra.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (CASSANDRA-6246) EPaxos MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Tue, 15 Aug 2017 03:07:11 -0000 [ https://issues.apache.org/jira/browse/CASSANDRA-6246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16126756#comment-16126756 ] Igor Zubchenok commented on CASSANDRA-6246: ------------------------------------------- Any update when this can be released? > EPaxos > ------ > > Key: CASSANDRA-6246 > URL: https://issues.apache.org/jira/browse/CASSANDRA-6246 > Project: Cassandra > Issue Type: Improvement > Reporter: Jonathan Ellis > Assignee: Blake Eggleston > Labels: messaging-service-bump-required > Fix For: 4.x > > > One reason we haven't optimized our Paxos implementation with Multi-paxos is that Multi-paxos requires leader election and hence, a period of unavailability when the leader dies. > EPaxos is a Paxos variant that requires (1) less messages than multi-paxos, (2) is particularly useful across multiple datacenters, and (3) allows any node to act as coordinator: http://sigops.org/sosp/sosp13/papers/p358-moraru.pdf > However, there is substantial additional complexity involved if we choose to implement it. -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscribe@cassandra.apache.org For additional commands, e-mail: commits-help@cassandra.apache.org