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 6F1CEB0B5 for ; Tue, 3 Jan 2012 01:19:09 +0000 (UTC) Received: (qmail 57660 invoked by uid 500); 3 Jan 2012 01:19:09 -0000 Delivered-To: apmail-hbase-issues-archive@hbase.apache.org Received: (qmail 57599 invoked by uid 500); 3 Jan 2012 01:19:09 -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 57591 invoked by uid 99); 3 Jan 2012 01:19:09 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 03 Jan 2012 01:19:09 +0000 X-ASF-Spam-Status: No, hits=-2001.6 required=5.0 tests=ALL_TRUSTED,RP_MATCHES_RCVD X-Spam-Check-By: apache.org Received: from [140.211.11.116] (HELO hel.zones.apache.org) (140.211.11.116) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 03 Jan 2012 01:19:07 +0000 Received: from hel.zones.apache.org (hel.zones.apache.org [140.211.11.116]) by hel.zones.apache.org (Postfix) with ESMTP id 02F7F420D1 for ; Tue, 3 Jan 2012 01:18:22 +0000 (UTC) Date: Tue, 3 Jan 2012 01:18:22 +0000 (UTC) From: "Zhihong Yu (Updated) (JIRA)" To: issues@hbase.apache.org Message-ID: <1448752346.102.1325553502013.JavaMail.tomcat@hel.zones.apache.org> In-Reply-To: <6530688.192251292661001009.JavaMail.jira@thor> Subject: [jira] [Updated] (HBASE-3373) Allow regions of specific table to be load-balanced MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/HBASE-3373?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Zhihong Yu updated HBASE-3373: ------------------------------ Attachment: 3373.txt > Allow regions of specific table to be load-balanced > --------------------------------------------------- > > Key: HBASE-3373 > URL: https://issues.apache.org/jira/browse/HBASE-3373 > Project: HBase > Issue Type: Improvement > Components: master > Affects Versions: 0.20.6 > Reporter: Ted Yu > Attachments: 3373.txt, HbaseBalancerTest2.java > > > From our experience, cluster can be well balanced and yet, one table's regions may be badly concentrated on few region servers. > For example, one table has 839 regions (380 regions at time of table creation) out of which 202 are on one server. > It would be desirable for load balancer to distribute regions for specified tables evenly across the cluster. Each of such tables has number of regions many times the cluster size. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira