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[expand - 22 more] - Re: Thinking ahead to hadoop-2.6 - Hadoop - [mail # dev]
...Thanks Arun for the info and reminder.Hi Alejandro,HADOOP-10895 is a blocker in the list Arun sent out and it's currentlyowned by you. I wonder whether you will have time to work on. If not,...
   Author: Yongjun Zhang, 2014-10-19, 18:36
[expand - 1 more] - Re: How do i find volume failure using java code??? - Hadoop - [mail # user]
...Hi Cho Ju Il,Some of the objects that you are trying to access, like DatanodeDescriptor,are only internal to namenode, not for clients. Client always get a freshinstance, not the one which n...
   Author: Mahesh Kumar Vasanthu Som..., 2014-10-19, 10:57
[HADOOP-11207] DelegationTokenAuthenticationHandler needs to support DT operations for proxy user - Hadoop - [issue]
...Currently, DelegationTokenAuthenticationHandler only support DT operations for the request user after it passes the authentication. However, it should also support the request user to do DT ...
http://issues.apache.org/jira/browse/HADOOP-11207    Author: Zhijie Shen, 2014-10-18, 16:10
[expand - 9 more] - Re: how to copy data between two hdfs cluster fastly? - Hadoop - [mail # user]
...If you still do want to use distcp1. Break the file into smaller files (only if you have the luxury of doingthis2. Use the "-m” option to set the number of mappers.(Each map task will aim at...
   Author: Shivram Mani, 2014-10-18, 05:27
[HADOOP-6857] FsShell should report raw disk usage including replication factor - Hadoop - [issue]
...Currently FsShell report HDFS usage with "hadoop fs -dus <path>" command.  Since replication level is per file level, it would be nice to add raw disk usage including the replicat...
http://issues.apache.org/jira/browse/HADOOP-6857    Author: Alex Kozlov, 2014-10-18, 01:18
[HADOOP-11195] Move Id-Name mapping in NFS to the hadoop-common area for better maintenance - Hadoop - [issue]
...Per Allen Wittenauer's suggestion in HDFS-7146, creating this jira to move the id-name mapping implementation (IdUserGroup.java) to the framework that cache user and group info in hadoop-com...
http://issues.apache.org/jira/browse/HADOOP-11195    Author: Yongjun Zhang, 2014-10-18, 01:03
[HADOOP-11210] Findbugs warning about SpanReceiverHost - Hadoop - [issue]
...Findbugs warning about SpanReceiverHost has bee reported multiple times in some Jira: Dereference of the result of readLine() without nullcheck in org.apache.hadoop.tracing.SpanReceiverHost....
http://issues.apache.org/jira/browse/HADOOP-11210    Author: Zhijie Shen, 2014-10-17, 23:03
[HADOOP-11209] Configuration is not thread-safe - Hadoop - [issue]
...Configuration objects are not fully thread-safe, which causes problems in multi-threaded frameworks like Spark that use these configurations to interact with existing Hadoop APIs (such as In...
http://issues.apache.org/jira/browse/HADOOP-11209    Author: Josh Rosen, 2014-10-17, 22:39
[HADOOP-10771] Refactor HTTP delegation support out of httpfs to common - Hadoop - [issue]
...HttpFS implements delegation token support in AuthenticationFilter & AuthenticationHandler subclasses.For HADOOP-10770 we need similar functionality for KMS.Not to duplicate code, we sho...
http://issues.apache.org/jira/browse/HADOOP-10771    Author: Alejandro Abdelnur, 2014-10-17, 21:20
[expand - 1 more] - Re: Dynamically set map / reducer memory - Hadoop - [mail # user]
...PeterIf you are using oozie to launch the MR jobs you can specify the memoryrequirements in the workflow action specific to each job, in the workflowxml you are using to launch the job. If y...
   Author: Girish Lingappa, 2014-10-17, 20:30
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