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From "Pamecha, Abhishek" <apame...@x.com>
Subject Re: hbase deployment using VMs for data nodes and SAN for data storage
Date Tue, 16 Oct 2012 06:07:46 GMT
May be I didn't  understand your question. Do you mean SAN overshadows some of the hbase benefits?
I thought SAN isn't a great choice for hbase deployments because of concentration of iops
to a single device and thus losing out on parallelism and redundancy --  but I am no expert
on SANs. 

Anyways, to answer your question directly, we wanted to leverage the flexible keyvalue based
schema, ability to have a reliable MR type batch jobs infrastructure for analytics and the
linear scalability advantages of hbase. 



i Sent from my iPad with iMstakes 

On Oct 15, 2012, at 21:46, "lars hofhansl" <lhofhansl@yahoo.com> wrote:

If you have a SAN, why would you want to use HBase?

-- Lars

________________________________
From: "Pamecha, Abhishek" <apamecha@x.com>
To: "user@hbase.apache.org" <user@hbase.apache.org> 
Sent: Monday, October 15, 2012 3:00 PM
Subject: hbase deployment using VMs for data nodes and SAN for data storage

Hi

We are deciding between using local disks for bare metal hosts Vs VMs using SAN for data storage.
I was wondering if anyone has contrasted performance, availability and scalability between
these two options?

IMO, This is kinda similar to a typical  AWS or another cloud deployment.

Thanks,
Abhishek

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