Hadoop Ctl script.

Hi all, There should exist a "hadoopctl" (A typical script found with most standard opensource utils) script which provides a central way of executing scripts or doing all the tasks. Accompanied by a proper man page it would serve as a standard way of starting various daemons with complete co

[jira] [Resolved] (MAPREDUCE-471) Refactor JobTracker.Expire* arround an utility class

[ https://issues.apache.org/jira/browse/MAPREDUCE-471?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Harsh J resolved MAPREDUCE-471. --- Resolution: Not A Problem Patch and ticket have gone stale. If you want to pursue this, please reo

[jira] [Created] (MAPREDUCE-3607) Port missing new API mapreduce lib classes to 1.x

Port missing new API mapreduce lib classes to 1.x - Key: MAPREDUCE-3607 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3607 Project: Hadoop Map/Reduce Issue Type: Improvement Co

[jira] [Created] (MAPREDUCE-3606) Job stats for number of maps "mapred.map.tasks" is always 2

Job stats for number of maps "mapred.map.tasks" is always 2 --- Key: MAPREDUCE-3606 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3606 Project: Hadoop Map/Reduce Issue Type: Bug

[jira] [Created] (MAPREDUCE-3605) Allow mr commands to be run via bin/hadoop

Allow mr commands to be run via bin/hadoop -- Key: MAPREDUCE-3605 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3605 Project: Hadoop Map/Reduce Issue Type: Bug Components: mrv2 Aff

Kerberos service token vs Service ticket

Hi, According to the `Hadoop : The Definitive Guide` >A delegation token is generated by the server (the NameNode in this case), and can be thought of as a shared secret between the client and the server. On the first RPC call to the NameNode, the client has no delegation token, so it uses Kerber