Return-Path: X-Original-To: apmail-hbase-issues-archive@www.apache.org Delivered-To: apmail-hbase-issues-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 5F5A117E49 for ; Fri, 6 Feb 2015 17:49:36 +0000 (UTC) Received: (qmail 31738 invoked by uid 500); 6 Feb 2015 17:49:36 -0000 Delivered-To: apmail-hbase-issues-archive@hbase.apache.org Received: (qmail 31698 invoked by uid 500); 6 Feb 2015 17:49:36 -0000 Mailing-List: contact issues-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list issues@hbase.apache.org Received: (qmail 31582 invoked by uid 99); 6 Feb 2015 17:49:36 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 06 Feb 2015 17:49:36 +0000 Date: Fri, 6 Feb 2015 17:49:35 +0000 (UTC) From: "stack (JIRA)" To: issues@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HBASE-11568) Async WAL replication for region replicas MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HBASE-11568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14309518#comment-14309518 ] stack commented on HBASE-11568: ------------------------------- Broke the branch-1 build? https://builds.apache.org/view/H-L/view/HBase/job/HBase-1.1/149/ > Async WAL replication for region replicas > ----------------------------------------- > > Key: HBASE-11568 > URL: https://issues.apache.org/jira/browse/HBASE-11568 > Project: HBase > Issue Type: Sub-task > Reporter: Enis Soztutar > Assignee: Enis Soztutar > Fix For: 2.0.0, 1.1.0 > > Attachments: 11568-2-branch-1.txt, 11568-branch-1.txt, hbase-11568_v2.patch, hbase-11568_v3.patch > > > As mentioned in parent issue, and design docs for phase-1 (HBASE-10070) and Phase-2 (HBASE-11183), implement asynchronous WAL replication from the WAL files of the primary region to the secondary region replicas. > The WAL replication will build upon the pluggable replication framework introduced in HBASE-11367, and the distributed WAL replay. > Upon having some experience with the patch, we changed the design so that there is only one replication queue for doing the async wal replication to secondary replicas rather than having a queue per region replica. This is due to the fact that, we do not want to tail the logs of every region server for a single region replica. > Handling of flushes/compactions and memstore accounting will be handled in other subtasks. -- This message was sent by Atlassian JIRA (v6.3.4#6332)