Return-Path: X-Original-To: apmail-hbase-user-archive@www.apache.org Delivered-To: apmail-hbase-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id D1BA9110AE for ; Thu, 24 Apr 2014 02:19:59 +0000 (UTC) Received: (qmail 40109 invoked by uid 500); 24 Apr 2014 02:19:56 -0000 Delivered-To: apmail-hbase-user-archive@hbase.apache.org Received: (qmail 39992 invoked by uid 500); 24 Apr 2014 02:19:56 -0000 Mailing-List: contact user-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hbase.apache.org Delivered-To: mailing list user@hbase.apache.org Received: (qmail 39975 invoked by uid 99); 24 Apr 2014 02:19:56 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 24 Apr 2014 02:19:56 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=5.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: local policy) Received: from [202.38.128.6] (HELO ihep.ac.cn) (202.38.128.6) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 24 Apr 2014 02:19:50 +0000 Received: by ajax-webmail-ihep (Coremail) ; Thu, 24 Apr 2014 10:19:27 +0800 (GMT+08:00) Date: Thu, 24 Apr 2014 10:19:27 +0800 (GMT+08:00) From: "LEI Xiaofeng" To: user@hbase.apache.org Message-ID: <3333da2a.8242.1459187cf38.Coremail.leixf@ihep.ac.cn> Subject: hbase bulk load MIME-Version: 1.0 Content-Type: text/plain; charset=GBK Content-Transfer-Encoding: 7bit X-Originating-IP: [192.168.32.34] X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT2.1.9 build 20121203(20875.5107.5063) Copyright (c) 2002-2014 www.mailtech.cn ihep X-SendMailWithSms: false X-CM-TRANSID: AQAAf0AZWUGvdFhT7_gJAA--.5608W X-CM-SenderInfo: hohl5wo6lkv1wodfhubq/1tbiAQUEA1Dmq28k7gABs6 X-Coremail-Antispam: 1Ur529EdanIXcx71UUUUU7IcSsGvfJ3iIAIbVAYjsxI4VWUJw CS07vEb4IE77IF4wCS07vE1I0E4x80FVAKz4kxMIAIbVAFxVCaYxvI4VCIwcAKzIAtYxBI daVFxhVjvjDU= X-Virus-Checked: Checked by ClamAV on apache.org Hi, In my case, I need to bulk load large data into hbase into the same table from time to time. The speed is very low and is only 17MB/s. There are 5 server nodes and a master node in my cluster. To some reasons, I use MapReduce to call a c++ thrift client to communicate with hbase. Does anyone have any suggestions for me to promote the write speed? Thanks, Xiaofeng