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 9C644E62F for ; Tue, 5 Feb 2013 14:17:36 +0000 (UTC) Received: (qmail 27802 invoked by uid 500); 5 Feb 2013 14:17:32 -0000 Delivered-To: apmail-hbase-user-archive@hbase.apache.org Received: (qmail 26879 invoked by uid 500); 5 Feb 2013 14:17:31 -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 26845 invoked by uid 99); 5 Feb 2013 14:17:30 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 05 Feb 2013 14:17:30 +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 (athena.apache.org: domain of michael_segel@hotmail.com designates 65.55.111.162 as permitted sender) Received: from [65.55.111.162] (HELO blu0-omc4-s23.blu0.hotmail.com) (65.55.111.162) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 05 Feb 2013 14:17:21 +0000 Received: from BLU0-SMTP329 ([65.55.111.137]) by blu0-omc4-s23.blu0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675); Tue, 5 Feb 2013 06:17:01 -0800 X-EIP: [QBtBw4IgsHHqHTowfBaZLZFm9w3jvCw3] X-Originating-Email: [michael_segel@hotmail.com] Message-ID: Received: from [10.1.10.10] ([173.15.87.38]) by BLU0-SMTP329.phx.gbl over TLS secured channel with Microsoft SMTPSVC(6.0.3790.4675); Tue, 5 Feb 2013 06:16:59 -0800 Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 (Mac OS X Mail 6.2 \(1499\)) Subject: Re: cluster monitoring From: Michael Segel In-Reply-To: Date: Tue, 5 Feb 2013 08:16:57 -0600 CC: hbase-user@hadoop.apache.org Content-Transfer-Encoding: quoted-printable References: To: user@hbase.apache.org X-Mailer: Apple Mail (2.1499) X-OriginalArrivalTime: 05 Feb 2013 14:16:59.0663 (UTC) FILETIME=[762329F0:01CE03AB] X-Virus-Checked: Checked by ClamAV on apache.org Sounds like you're looking to see what rows are being selected within a = region.=20 In theory you could do this w coprocessors, but I wouldn't recommend it.=20= You're going to take a huge performance hit and you'd have a hard time = justifying it. (IMHO)=20 The problem w a Debug mode is that once you load a coprocessor class, = you can't drop it.=20 On Feb 5, 2013, at 7:27 AM, Rita wrote: > hi, >=20 > is it possible to see what keys are being hit throughout the cluster? > --=20 > --- Get your facts first, then you can distort them as you please.--