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/master Commit: 06f80305e4587f519cb3dfae0686b52b32e7a0b8 Parents: e887f37 Author: Bill Havanki <bhava...@cloudera.com> Authored: Wed Jan 22 14:00:40 2014 -0500 Committer: Bill Havanki <bhava...@cloudera.com> 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
