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Subject: Re: Installing C* on EC2
From: Jeremy Hanna <jeremy.hanna1234@gmail.com>
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Date: Fri, 13 Jan 2012 12:14:59 -0600
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To: user@cassandra.apache.org


On Jan 12, 2012, at 6:36 PM, Mohit Anchlia wrote:

> What's the best way to install C*? Any good links?

http://www.slideshare.net/mattdennis/cassandra-on-ec2 has some =
interesting points that aren't immediately obvious - it's mdennis in the =
cassandra irc channel if you had any questions about the slides.  One =
thing that bit us using the property file snitch was that striping =
across availability zones as racks - you need to round robin AZs (or =
racks) in token order or you wind up with data hotspots because of how =
the network topology strategy works when choosing the location of =
replicas.

> Is it better to just create instances and install rpms on it first,
> just like regular cluster and then create image from it? I am assuming
> it's possible.
> Are there any known issues when running C* on EC2?
> How do other C* users deal with instance failures when using local
> storage on EC2 since local storage is gone at that point? Launch new
> instance and run repair?