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[HADOOP-9451] Node with one topology layer should be handled as fault topology when NodeGroup layer is enabled - Hadoop - [issue]
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...Currently, nodes with one layer topology are allowed to join in the cluster that with enabling NodeGroup layer which cause some exception cases. When NodeGroup layer is enabled, the cluster ...
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http://issues.apache.org/jira/browse/HADOOP-9451
Author: Junping Du,
2013-05-15, 06:16
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[HADOOP-9165] Dynamic Resource/Slot Configuration on NM/TT - Hadoop - [issue]
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...The current Hadoop MRV1/YARN resource management logic assumes per node (TT/NM) resource is static during the lifetime of the TT/NM process. Allowing run-time configuration on per node resou...
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http://issues.apache.org/jira/browse/HADOOP-9165
Author: Junping Du,
2013-04-01, 22:22
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[HADOOP-8468] Umbrella of enhancements to support different failure and locality topologies - Hadoop - [issue]
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...The current hadoop network topology (described in some previous issues like: Hadoop-692) works well in classic three-tiers network when it comes out. However, it does not take into account o...
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http://issues.apache.org/jira/browse/HADOOP-8468
Author: Junping Du,
2013-03-21, 11:55
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[HADOOP-8817] Backport Network Topology Extension for Virtualization (HADOOP-8468) to branch-1 - Hadoop - [issue]
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...HADOOP-8468 propose network topology changes for running on virtualized infrastructure, which includes:1. Add "NodeGroup" layer in new NetworkTopology (also known as NetworkTopologyWithNodeG...
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http://issues.apache.org/jira/browse/HADOOP-8817
Author: Junping Du,
2013-03-19, 17:41
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[HADOOP-8567] Port conf servlet to dump running configuration to branch 1.x - Hadoop - [issue]
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...HADOOP-6408 provide conf servlet that can dump running configuration which great helps admin to trouble shooting the configuration issue. However, that patch works on branch after 0.21 only ...
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http://issues.apache.org/jira/browse/HADOOP-8567
Author: Junping Du,
2013-03-06, 09:55
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[HADOOP-9045] In nodegroup-aware case, make sure nodes are avoided to place replica if some replica are already under the same nodegroup - Hadoop - [issue]
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...In previous implementation for HADOOP-8468, 3rd replica is avoid to place on the same nodegroup of 2nd replica. But it didn't provide check on nodegroup of 1st replica, so if 2nd replica's r...
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http://issues.apache.org/jira/browse/HADOOP-9045
Author: Junping Du,
2012-11-28, 07:22
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[HADOOP-8372] normalizeHostName() in NetUtils is not working properly in resolving a hostname start with numeric character - Hadoop - [issue]
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...A valid host name can start with numeric value (You can refer RFC952, RFC1123 or http://www.zytrax.com/books/dns/apa/names.html), so it is possible in a production environment, user name the...
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http://issues.apache.org/jira/browse/HADOOP-8372
Author: Junping Du,
2012-11-27, 01:57
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[HADOOP-8820] Backport HADOOP-8469 and HADOOP-8470: add "NodeGroup" layer in new NetworkTopology (also known as NetworkTopologyWithNodeGroup) - Hadoop - [issue]
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...This patch backport HADOOP-8469 and HADOOP-8470 to branch-1 and includes:1. Make NetworkTopology class pluggable for extension.2. Implement a 4-layer NetworkTopology class (named as NetworkT...
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http://issues.apache.org/jira/browse/HADOOP-8820
Author: Junping Du,
2012-11-18, 13:14
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[HADOOP-9047] TestHDFSFileSystemContract.testMkdirsWithUmask failed by using umask 022 - Hadoop - [issue]
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...In PreCommit-test of HADOOP-9045, this error appears as it still use system's default 022 umask but not the 062 specifying in test....
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http://issues.apache.org/jira/browse/HADOOP-9047
Author: Junping Du,
2012-11-15, 22:04
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[HADOOP-9048] TestHDFSFileSystemContract.testMkdirsWithUmask failed by using umask 022 - Hadoop - [issue]
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...In PreCommit-test of HADOOP-9405, this error appears as it still use system's default 022 umask but not the 062 specifying in test....
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http://issues.apache.org/jira/browse/HADOOP-9048
Author: Junping Du,
2012-11-15, 18:32
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