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From Bikas Saha <bi...@hortonworks.com>
Subject RE: RM AM_RESYNC signal to AM
Date Fri, 28 Feb 2014 17:04:37 GMT
Re-sync is sent when the RM reboots and the AM needs to re-sync with the
RM. Current re-sync behavior is to restart the AM but there is a roadmap
to change that.

Bikas


-----Original Message-----
From: Gaurav Gupta [mailto:gaurav@datatorrent.com]
Sent: Thursday, February 27, 2014 10:34 AM
To: yarn-dev@hadoop.apache.org
Subject: RM AM_RESYNC signal to AM



Hi,



I killed the node manager on the node where AM was running and the AM
master got the AM_RESYNC command signal from RM. I have following
questions

1.      In what all scenarios does the RM sends AM_RESYNC signal to AM?

2.      Should the RM not send the AM_SHUTDOWN signal to AM when node
manager is killed?



Thanks

-Gaurav

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