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 12119DAFA for ; Mon, 12 Nov 2012 15:45:44 +0000 (UTC) Received: (qmail 44963 invoked by uid 500); 12 Nov 2012 15:45:42 -0000 Delivered-To: apmail-hbase-user-archive@hbase.apache.org Received: (qmail 44838 invoked by uid 500); 12 Nov 2012 15:45:41 -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 44802 invoked by uid 99); 12 Nov 2012 15:45:40 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 12 Nov 2012 15:45:40 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=5.0 tests=RCVD_IN_DNSWL_NONE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of michael_segel@hotmail.com designates 65.55.111.86 as permitted sender) Received: from [65.55.111.86] (HELO blu0-omc2-s11.blu0.hotmail.com) (65.55.111.86) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 12 Nov 2012 15:45:33 +0000 Received: from BLU0-SMTP154 ([65.55.111.73]) by blu0-omc2-s11.blu0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675); Mon, 12 Nov 2012 07:45:11 -0800 X-Originating-IP: [173.15.87.37] X-EIP: [tYHT+Hvsl7B4hlUEkXjMXyXcxgvWOatK] X-Originating-Email: [michael_segel@hotmail.com] Message-ID: Received: from [192.168.0.100] ([173.15.87.37]) by BLU0-SMTP154.blu0.hotmail.com over TLS secured channel with Microsoft SMTPSVC(6.0.3790.4675); Mon, 12 Nov 2012 07:45:10 -0800 Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 (Mac OS X Mail 6.2 \(1499\)) Subject: Re: scan is slower after bulk load From: Michael Segel In-Reply-To: <50A10B4C.5060709@uci.cu> Date: Mon, 12 Nov 2012 09:45:09 -0600 CC: Amit Sela Content-Transfer-Encoding: quoted-printable References: <50A10B4C.5060709@uci.cu> To: user@hbase.apache.org X-Mailer: Apple Mail (2.1499) X-OriginalArrivalTime: 12 Nov 2012 15:45:10.0813 (UTC) FILETIME=[B2CBD4D0:01CDC0EC] X-Virus-Checked: Checked by ClamAV on apache.org Just a guess... have you done any compactions on the table post bulk = load?=20 On Nov 12, 2012, at 8:44 AM, Marcos Ortiz wrote: > Regards, Amit. > Did you tuned the RegionServer where you has that data range hosted? > Why do you say that scans are slower after a bulk load? > Did you test it before bulk load? >=20 > HBase version? >=20 > On 11/12/2012 09:39 AM, Amit Sela wrote: >> Hi all, >>=20 >> Anyone has any idea why scanning over specific range in a table is = about >> 20% slower if that data (that specific range) was just inserted into = HBase >> using bulk load ? >>=20 >> I do the bulk load programmatically with LoadIncrementalHFiles. >>=20 >> Thanks. >>=20 >=20 > --=20 >=20 > Marcos Luis Ort=EDz Valmaseda > about.me/marcosortiz > @marcosluis2186 >=20 >=20 >=20 > 10mo. ANIVERSARIO DE LA CREACION DE LA UNIVERSIDAD DE LAS CIENCIAS = INFORMATICAS... > CONECTADOS AL FUTURO, CONECTADOS A LA REVOLUCION >=20 > http://www.uci.cu > http://www.facebook.com/universidad.uci > http://www.flickr.com/photos/universidad_uci