Return-Path: Delivered-To: apmail-hbase-dev-archive@www.apache.org Received: (qmail 88782 invoked from network); 28 Jan 2011 19:27:49 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 28 Jan 2011 19:27:49 -0000 Received: (qmail 84838 invoked by uid 500); 28 Jan 2011 19:27:48 -0000 Delivered-To: apmail-hbase-dev-archive@hbase.apache.org Received: (qmail 84745 invoked by uid 500); 28 Jan 2011 19:27:48 -0000 Mailing-List: contact dev-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@hbase.apache.org Delivered-To: mailing list dev@hbase.apache.org Delivered-To: moderator for dev@hbase.apache.org Received: (qmail 69989 invoked by uid 99); 28 Jan 2011 19:20:34 -0000 X-ASF-Spam-Status: No, hits=0.0 required=5.0 tests= X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: local policy) From: Ted Yu To: "dev@hbase.apache.org" Date: Fri, 28 Jan 2011 11:20:11 -0800 Subject: load balancing in HBase-3373 Thread-Topic: load balancing in HBase-3373 Thread-Index: Acu/IGJwUUOeAm9ISqajNS6FMt6oYw== Message-ID: <07640172-585D-48A3-B5BB-145ACDE04EC6@carrieriq.com> References: <36A0EB07-948F-4F40-AB77-49F536507DB5@carrieriq.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: multipart/mixed; boundary="_004_07640172585D48A3B5BB145ACDE04EC6carrieriqcom_" MIME-Version: 1.0 --_004_07640172585D48A3B5BB145ACDE04EC6carrieriqcom_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Below is one email describing what I have done for HBase-3373. In essence, load balancing can apply to 'important' tables only for certain= period. Regards > In case a region server (hadoop1) went down and got restarted, only regio= ns from active fact tables would be moved to it as shown below. --_004_07640172585D48A3B5BB145ACDE04EC6carrieriqcom_ Content-Type: text/plain; name="ATT00001..txt" Content-Description: ATT00001..txt Content-Disposition: attachment; filename="ATT00001..txt"; size=169; creation-date="Fri, 28 Jan 2011 11:20:12 GMT"; modification-date="Fri, 28 Jan 2011 11:20:12 GMT" Content-Transfer-Encoding: base64 DQ0KDQ0KT24gSmFuIDI3LCAyMDExLCBhdCAxMTozMCBBTSwgVGVkIFl1IHdyb3RlOg0NCg0NCj4g SW4gaGJhc2UgMC45MCwgeW91IHdvdWxkIHNlZSB0aGUgZGlzdHJpYnV0aW9uIG9mIGZhY3QgdGFi bGVzIG9uIG1hc3Rlci5qc3A6DQ0KPiA8UGFzdGVkR3JhcGhpYy0yLnBuZz4NDQo+IA0NCg0NCg== --_004_07640172585D48A3B5BB145ACDE04EC6carrieriqcom_ Content-Type: text/plain; name="ATT00001..txt" Content-Description: ATT00001..txt Content-Disposition: attachment; filename="ATT00001..txt"; size=2; creation-date="Fri, 28 Jan 2011 11:20:12 GMT"; modification-date="Fri, 28 Jan 2011 11:20:12 GMT" Content-Transfer-Encoding: base64 DQo= --_004_07640172585D48A3B5BB145ACDE04EC6carrieriqcom_--