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From "Prachi Bedekar (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CHUKWA-541) How to get the current status of collector
Date Mon, 08 Nov 2010 06:11:09 GMT

    [ https://issues.apache.org/jira/browse/CHUKWA-541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12929465#action_12929465
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Prachi Bedekar commented on CHUKWA-541:
---------------------------------------

For a particular time the collector is running or not is achieved with the help of 
ps -ef | grep collector | wc -l 

if its value is less than 1 then no collecor is running. At that time the output will be 

hadoop@ps6007:/usr/local/hadoop_old/hadoop_old/bin$ ps -ef | grep collecor | wc -l
hadoop 25815 13732 0 11:06 pts/0 00:00:00 grep collecor 


But if collector is running then output will be 

hadoop@ps6007:/usr/local/hadoop_old/hadoop_old/bin$ ps -ef | grep collector | wc -l
postgres 2595 2589 0 Sep29 ? 00:00:38 postgres: stats collector process 
hadoop 26741 13732 0 11:18 pts/0 00:00:00 grep collector 

from this we will come to know the status of the collector. 

Thank you all for putting effort to solve this issue.


> How to get the current status of collector
> ------------------------------------------
>
>                 Key: CHUKWA-541
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-541
>             Project: Chukwa
>          Issue Type: Task
>          Components: Data Processors
>    Affects Versions: 0.4.0
>         Environment: Linux operating syatem 
>            Reporter: Prachi Bedekar
>             Fix For: 0.4.0
>
>
> Hi,
> I want to write the shell script for tracking the collector status after every one min.
And if collector is down at some moment, I want to restart it. 
> I have done rest of the thing related to time n all, but I am not getting how to track
the current status of the collector. So that I can take the necessary action.
> Please reply  as early as you can.
> Thanks in advance.

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