From user-return-53241-apmail-hbase-user-archive=hbase.apache.org@hbase.apache.org Fri Feb 10 05:10:39 2017 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 E4473193A2 for ; Fri, 10 Feb 2017 05:10:39 +0000 (UTC) Received: (qmail 50908 invoked by uid 500); 10 Feb 2017 05:10:38 -0000 Delivered-To: apmail-hbase-user-archive@hbase.apache.org Received: (qmail 50701 invoked by uid 500); 10 Feb 2017 05:10:38 -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 50689 invoked by uid 99); 10 Feb 2017 05:10:37 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd3-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 10 Feb 2017 05:10:37 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd3-us-west.apache.org (ASF Mail Server at spamd3-us-west.apache.org) with ESMTP id 29DBB183A61 for ; Fri, 10 Feb 2017 05:10:37 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 1.679 X-Spam-Level: * X-Spam-Status: No, score=1.679 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=2, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_SORBS_SPAM=0.5, SPF_PASS=-0.001] autolearn=disabled Authentication-Results: spamd3-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id bQO22W8Q7o-s for ; Fri, 10 Feb 2017 05:10:36 +0000 (UTC) Received: from mail-qt0-f172.google.com (mail-qt0-f172.google.com [209.85.216.172]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTPS id 05DA45F4ED for ; Fri, 10 Feb 2017 05:10:36 +0000 (UTC) Received: by mail-qt0-f172.google.com with SMTP id v23so25114878qtb.0 for ; Thu, 09 Feb 2017 21:10:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=9l7iK0uq0dy1tZ+4CzfhraAfIknzGRLzaRSc9sY5Y2I=; b=J6J9dO7ZNoJrQK554wGYLWc+iZ/4x4S8HDGCkJ5dB3SkjFxTPURk5Q9R0yiRpTuouK xAXUTTD+tNwB8c1nM+xTAihZH54kwApO7mC29ET83ajEpDLISNXbQBuuPfXpwfMWDBAs d9NOI/rSvzNJ3q8m76+76sr+WVHDUNr7vwCTaYqdnGlawwhsJHuKX8u4hfZ0ndwVBu4X caiTULNuAPYjbzmg5uFUhXQS1jgpIBy5s5iq0u8TFqBYURDYQrLy0OOaeKkW750a5Uqn Xas+GX9VciR4+nMNPybMiCsrJt5AXOxXlRcJRsZbXkHJJldqjZP2tbDE2WaOLZLREmHS Mbow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=9l7iK0uq0dy1tZ+4CzfhraAfIknzGRLzaRSc9sY5Y2I=; b=HUWO1QDSyKEGjK1a9CdL/kA2VTz/WxsYdbofCObzEGYGqRuuefryQP0mg5SAsz+nmN sVzgcuiHRsXRKRXbkP744+wK3usgyZwHGOofupjG6RAibu+b53VWzDnz4Gjrum1t2tEU P7YICL1uEBrDYI0Y1FukdDW5bTolUjvUGguSUMzhIn6uge9szxm5dDLIxqgAHkfJe2l1 3NrPl5jRpxTOSHvwZi879zT8/Pq5oxznFAQS+W0SEzvqOPgTeTrE6SPQ+OcLHc8OwMNm h7PUoum7bJ33npYYFVLneZgoi2UwQ8FB7wN4b2mqV2FYpd3NXNuhVrE0l2SKFFO7Q/bm jzvA== X-Gm-Message-State: AMke39kFj/marvGXYwSBbnEt8OnCvFM+lKaJn5xJnUbWguBfSsGWwU6jjRmrEHdjKvzBEQ9nbUoDQv+jeK88sg== X-Received: by 10.200.41.3 with SMTP id y3mr6032706qty.205.1486703432470; Thu, 09 Feb 2017 21:10:32 -0800 (PST) MIME-Version: 1.0 Received: by 10.55.114.2 with HTTP; Thu, 9 Feb 2017 21:10:32 -0800 (PST) In-Reply-To: <1F385DF8-2B8D-4CE4-B29F-44A6E7928E61@gmail.com> References: <1F385DF8-2B8D-4CE4-B29F-44A6E7928E61@gmail.com> From: Devi Sunil Kumar Shegu Date: Fri, 10 Feb 2017 10:40:32 +0530 Message-ID: Subject: Re: HBase Down Scaling To: user@hbase.apache.org Content-Type: multipart/alternative; boundary=001a1139636efab8a00548261d17 --001a1139636efab8a00548261d17 Content-Type: text/plain; charset=UTF-8 Hey Ted, Thanks for the reply. The problem with AWS EMR which doesn't allow downscaling of the slave(core) nodes. On Thu, Feb 9, 2017 at 7:17 PM, Ted Yu wrote: > Can you be specific about how the table didn't work ? > Were some of its regions in transition or offline ? > > Which hbase release are you using ? > > Please pastebin relevant master log / region server log. > > Thanks > > > On Feb 9, 2017, at 3:50 AM, Devi Sunil Kumar Shegu < > sunil143devi@gmail.com> wrote: > > > > Hi, > > > > Please look into the following issue > > > > Scenario: > > 1) Created an AWS EMR HBASE cluster with 1 Master node and 2 Core(Slave) > > nodes > > 2) Created HBase table with 20 regions auto split across the 2 Core nodes > > 3) I downscaled my cluster to 1 Core node > > 4) The table doesn't seem to work > > > > Questions: > > Is it wrong to downscale HBase cluster as my table doesn't seem to be > > working? > > > > Thanks > --001a1139636efab8a00548261d17--