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[HDFS-3941] Backport HDFS-3498 and HDFS3601: update replica placement policy for new added "NodeGroup" layer topology - HDFS - [issue]
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...With enabling additional layer of "NodeGroup", the replica placement policy used in BlockPlacementPolicyWithNodeGroup is updated to following rules:0. No more than one replica is placed with...
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http://issues.apache.org/jira/browse/HDFS-3941
Author: Junping Du,
2013-05-15, 06:16
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[HDFS-4282] TestEditLog.testFuzzSequences FAILED in all pre-commit test - HDFS - [issue]
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...Caught non-IOException throwable java.lang.RuntimeException: java.io.IOException: Invalid UTF8 at 9871b370d70a at org.apache.hadoop.io.UTF8.toString(UTF8.java:154) at org.apache....
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http://issues.apache.org/jira/browse/HDFS-4282
Author: Junping Du,
2013-05-03, 18:22
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[HDFS-4653] 4 unit tests in TestFcHdfsSymlink failed on trunk - HDFS - [issue]
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...4 Failed Tests:org.apache.hadoop.fs.TestFcHdfsSymlink.testCreateWithPartQualPathFailsorg.apache.hadoop.fs.TestFcHdfsSymlink.testCreateLinkUsingRelPathsorg.apache.hadoop.fs.TestFcHdfsSymlink....
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http://issues.apache.org/jira/browse/HDFS-4653
Author: Junping Du,
2013-04-04, 00:56
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[HDFS-4652] Node with one topology layer should be handled as fault topology when NodeGroup layer is enabled - HDFS - [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/HDFS-4652
Author: Junping Du,
2013-04-02, 00:18
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[HDFS-3942] Backport HDFS-3495: Update balancer policy for Network Topology with additional 'NodeGroup' layer - HDFS - [issue]
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...This is the backport work for HDFS-3495 and HDFS-4234....
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http://issues.apache.org/jira/browse/HDFS-3942
Author: Junping Du,
2013-01-28, 04:52
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[HDFS-4386] Backport HDFS-4261 to branch-1 to fix timeout in TestBalancerWithNodeGroup - HDFS - [issue]
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...There are also observed Timeout in TestBalancerWithNodeGroup, like: https://issues.apache.org/jira/browse/HBASE-7529?focusedCommentId=13549790&page=com.atlassian.jira.plugin.system.issue...
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http://issues.apache.org/jira/browse/HDFS-4386
Author: Junping Du,
2013-01-28, 04:46
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[HDFS-4337] Backport HDFS-4240 to branch-1: Make sure nodes are avoided to place replica if some replica are already under the same nodegroup. - HDFS - [issue]
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...Update affects version from 1.0.0 to 1.2.0....
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http://issues.apache.org/jira/browse/HDFS-4337
Author: Junping Du,
2013-01-02, 12:42
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[HDFS-4240] In nodegroup-aware case, make sure nodes are avoided to place replica if some replica are already under the same nodegroup - HDFS - [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/HDFS-4240
Author: Junping Du,
2012-12-27, 09:39
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[HDFS-3497] Update Balancer policy with NodeGroup layer - HDFS - [issue]
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...1. Make sure Network Topology and BlockPlacementPolicy check in balancer is compatible with new one with adding NodeGroup layer.2. Update balancer policy for performance optimization with No...
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http://issues.apache.org/jira/browse/HDFS-3497
Author: Junping Du,
2012-11-30, 00:58
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[HDFS-3495] Update Balancer to support new NetworkTopology with NodeGroup - HDFS - [issue]
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...Since the Balancer is a Hadoop Tool, it was updated to be directly aware of four-layer hierarchy instead of creating an alternative Balancer implementation. To accommodate extensibility, a n...
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http://issues.apache.org/jira/browse/HDFS-3495
Author: Junping Du,
2012-11-30, 00:58
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