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https://issues.apache.org/jira/browse/HADOOP-2099?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shuguang Liu updated HADOOP-2099:
---------------------------------
Affects Version/s: (was: 0.16.0)
0.14.0
Status: Patch Available (was: Open)
New Enhancements for HADOOP on big clusters.
I put some new commands into HADOOP based on 0.14.0 and modified some bugs
especially in the scheduling part.
Enhancements:
1. Add Some commands to make it easy to monitor the cluster.
hhosts -- Display hosts status in the cluster.
hload -- Display host load information including cpu usage, cpu usage
and so on.
hslot -- Change host available slot to improve efficiency.
hopen -- Enable a host on the fly.
hclose -- Disable a host on the fly
2. Add Some commands to improve efficiency for a "Big Cluster"
htop -- Bring a job specified to the top prirority on the fly.
hbot -- Bring a job specified to the lowest priority on the fly.
hjobkill -- Kill a job
hjobs -- List job information in detailed format.
3. Enhance the task trunk dispatching method to make it more efficient when a
job has many tasks.
4. Improved job submitting efficiency asuring right priority
> Pending, running, completed tasks should also be shown as percentage
> --------------------------------------------------------------------
>
> Key: HADOOP-2099
> URL: https://issues.apache.org/jira/browse/HADOOP-2099
> Project: Hadoop
> Issue Type: Improvement
> Affects Versions: 0.14.0
> Reporter: Amar Kamat
> Assignee: Amar Kamat
> Priority: Minor
> Fix For: 0.16.0
>
> Attachments: HADOOP-2099.patch, percent.png
>
>
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