ZhuGe,

If you run your program in the "cluster" deploy-mode you get resiliency against 
driver failure, though there are some steps you have to take in how you write 
your streaming job to allow for transparent resume. Netflix did a nice writeup 
of this resiliency 
here<http://techblog.netflix.com/2015/03/can-spark-streaming-survive-chaos-monkey.html>.

If you tie in ZooKeeper you can also get resiliency against Master failure, 
which has some documentation 
here<http://spark.apache.org/docs/1.4.0/spark-standalone.html>.

Regards,

-- Matthew

________________________________
From: ZhuGe [t...@outlook.com]
Sent: Tuesday, July 21, 2015 3:07 AM
To: user@spark.apache.org
Subject: Would driver shutdown cause app dead?

Hi all:
I am a bit confuse about the work of driver.
In our productin enviroment, we have a spark streaming app running in standone 
mode. what we concern is that if  the driver shutdown accidently(host shutdown 
or whatever). would the app  running normally?

Any explanation would be appreciated!!

Cheers

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