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[HDFS-2856] Fix block protocol so that Datanodes don't require root or jsvc - HDFS - [issue]
...Since we send the block tokens unencrypted to the datanode, we currently start the datanode as root using jsvc and get a secure (< 1024) port.If we have the datanode generate a nonce and ...
http://issues.apache.org/jira/browse/HDFS-2856    Author: Owen OMalley, 2014-09-06, 00:13
[HDFS-6727] Refresh data volumes on DataNode based on configuration changes - HDFS - [issue]
...HDFS-1362 requires DataNode to reload configuration file during the runtime, so that DN can change the data volumes dynamically. This JIRA reuses the reconfiguration framework introduced by ...
http://issues.apache.org/jira/browse/HDFS-6727    Author: Lei, 2014-09-06, 00:07
[HDFS-6877] Interrupt writes when the volume being written is removed. - HDFS - [issue]
...It will be a race condition that a client is actively writing a block, while the volume that this block is on is being removed....
http://issues.apache.org/jira/browse/HDFS-6877    Author: Lei, 2014-09-05, 23:56
[HDFS-4239] Means of telling the datanode to stop using a sick disk - HDFS - [issue]
...If a disk has been deemed 'sick' – i.e. not dead but wounded, failing occasionally, or just exhibiting high latency – your choices are:1. Decommission the total datanode.  I...
http://issues.apache.org/jira/browse/HDFS-4239    Author: stack, 2014-09-05, 23:32
[HDFS-4284] BlockReaderLocal not notified of failed disks - HDFS - [issue]
...When a DN marks a disk as bad, it stops using replicas on that disk.However a long-running BlockReaderLocal instance will continue to access replicas on the failing disk.Somehow we should le...
http://issues.apache.org/jira/browse/HDFS-4284    Author: Andy Isaacson, 2014-09-05, 23:17
[HDFS-6506] Newly moved block replica been invalidated and deleted in TestBalancer - HDFS - [issue]
...TestBalancerWithNodeGroup#testBalancerWithNodeGroup fails recentlyhttps://builds.apache.org/job/PreCommit-HDFS-Build/7045//testReport/from the error log, the reason seems to be that newly mo...
http://issues.apache.org/jira/browse/HDFS-6506    Author: Binglin Chang, 2014-09-05, 23:16
[HDFS-6999] PacketReceiver#readChannelFully is in an infinite loop - HDFS - [issue]
...In our cluster, we found hbase handler may be never return when it reads hdfs file using RemoteBlockReader2, and the hander thread occupys 100% cup. wo found this is because PacketReceiver#r...
http://issues.apache.org/jira/browse/HDFS-6999    Author: Yang Jiandan, 2014-09-05, 23:05
[HDFS-6621] Hadoop Balancer prematurely exits iterations - HDFS - [issue]
...I have been having an issue with the balancing being too slow.  The issue was not with the speed with which blocks were moved, but rather the balancer would prematurely exit out of it's...
http://issues.apache.org/jira/browse/HDFS-6621    Author: Benjamin Bowman, 2014-09-05, 22:33
[HDFS-6584] Support Archival Storage - HDFS - [issue]
...In most of the Hadoop clusters, as more and more data is stored for longer time, the demand for storage is outstripping the compute. Hadoop needs a cost effective and easy to manage solution...
http://issues.apache.org/jira/browse/HDFS-6584    Author: Tsz Wo Nicholas Sze, 2014-09-05, 22:27
[HDFS-7001] Tests in TestTracing depends on the order of execution - HDFS - [issue]
...o.a.h.tracing.TestTracing#testSpanReceiverHost is assumed to be executed first. It should be done in BeforeClass....
http://issues.apache.org/jira/browse/HDFS-7001    Author: Masatake Iwasaki, 2014-09-05, 21:47
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