[HOD] Make the information printed by allocate and info commands less verbose
and clearer
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Key: HADOOP-2911
URL: https://issues.apache.org/jira/browse/HADOOP-2911
Project: Hadoop Core
Issue Type: Improvement
Components: contrib/hod
Affects Versions: 0.16.0
Reporter: Hemanth Yamijala
Assignee: Vinod Kumar Vavilapalli
Fix For: 0.16.1
Currently hod prints the following information as part of the allocate command
at an 'INFO' verbose level:
Service Registry started
Torque job id
Ringmaster ..
HDFS UI at ..
Mapred UI at ..
The "service registry started" line is misleading and isn't very useful. This
should be removed.
Torque job id is misleading in terminology because job id also clashes with
Mapred "job id". The proposal is to make it something like 'cluster id' or
something similar.
Ringmaster information is useful for debugging, but not for regular users.
Similar changes should be made to the hod info command as well. The naming
should be clear and consistent. There, we print all of the above information
and in addition, also print the number of nodes as min,max. Because we don't
really support the min,max number of nodes, we can remove that and probably
print only the number of nodes allocated.
All information must continue to be printed at a higher verbosity level.
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