Return-Path: X-Original-To: apmail-accumulo-commits-archive@www.apache.org Delivered-To: apmail-accumulo-commits-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id EFECE1087E for ; Wed, 22 Jan 2014 19:06:21 +0000 (UTC) Received: (qmail 11263 invoked by uid 500); 22 Jan 2014 19:06:11 -0000 Delivered-To: apmail-accumulo-commits-archive@accumulo.apache.org Received: (qmail 11186 invoked by uid 500); 22 Jan 2014 19:06:11 -0000 Mailing-List: contact commits-help@accumulo.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@accumulo.apache.org Delivered-To: mailing list commits@accumulo.apache.org Received: (qmail 11144 invoked by uid 99); 22 Jan 2014 19:06:10 -0000 Received: from tyr.zones.apache.org (HELO tyr.zones.apache.org) (140.211.11.114) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 22 Jan 2014 19:06:10 +0000 Received: by tyr.zones.apache.org (Postfix, from userid 65534) id D4A4B8A037A; Wed, 22 Jan 2014 19:06:09 +0000 (UTC) Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: bhavanki@apache.org To: commits@accumulo.apache.org Date: Wed, 22 Jan 2014 19:06:10 -0000 Message-Id: <7859d76714794997adeea4c72a6fd628@git.apache.org> In-Reply-To: <542119b0b64e4beab768e683b3acb897@git.apache.org> References: <542119b0b64e4beab768e683b3acb897@git.apache.org> X-Mailer: ASF-Git Admin Mailer Subject: [02/10] git commit: ACCUMULO-2227 / ACCUMULO-2228 Update randomwalk README with HA warning ACCUMULO-2227 / ACCUMULO-2228 Update randomwalk README with HA warning Hadoop 2.1.0 includes better retry / failover handling than prior versions. This commit adds a warning to the randomwalk README advising testers to expect more failures exercising HA under Hadoop versions before 2.1.0. Project: http://git-wip-us.apache.org/repos/asf/accumulo/repo Commit: http://git-wip-us.apache.org/repos/asf/accumulo/commit/06f80305 Tree: http://git-wip-us.apache.org/repos/asf/accumulo/tree/06f80305 Diff: http://git-wip-us.apache.org/repos/asf/accumulo/diff/06f80305 Branch: refs/heads/1.5.1-SNAPSHOT Commit: 06f80305e4587f519cb3dfae0686b52b32e7a0b8 Parents: e887f37 Author: Bill Havanki Authored: Wed Jan 22 14:00:40 2014 -0500 Committer: Bill Havanki Committed: Wed Jan 22 14:00:40 2014 -0500 ---------------------------------------------------------------------- test/system/randomwalk/README | 10 ++++++++++ 1 file changed, 10 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/accumulo/blob/06f80305/test/system/randomwalk/README ---------------------------------------------------------------------- diff --git a/test/system/randomwalk/README b/test/system/randomwalk/README index 78a50c6..c50f790 100644 --- a/test/system/randomwalk/README +++ b/test/system/randomwalk/README @@ -50,3 +50,13 @@ start-local.sh All.xml Copies configuration from HDFS into tmp/ and and starts only one local random walker. pkill -f randomwalk.Framework Stops all local random walkers + +----------------------------------------------------------------------------- + +If you are running randomwalk tests while exercising Hadoop's high availability +(HA) failover capabilities, you should use Hadoop version 2.1.0 or later. +Failover scenarios are more likely to cause randomwalk test failures under +earlier Hadoop versions. See the following issue reports for more details. + +* https://issues.apache.org/jira/browse/HDFS-4404 +* https://issues.apache.org/jira/browse/HADOOP-9792