-RE: HDFS compatibility.
Jane Chen 2012-09-15, 17:25
Thank you, Harsh!
From: Harsh J [mailto:[EMAIL PROTECTED]]
Sent: Friday, September 14, 2012 7:00 PM
To: [EMAIL PROTECTED]
Subject: Re: HDFS compatibility.
Yes with a regular upgrade, your data will be available, not lost.
For doing upgrades, see
I recommend reading the process and text described in the section
"Upgrades" (under Maintenance), page 316 | Chapter 10: "Administering
Hadoop" of Tom White's 2nd Edition of Hadoop: The Definitive Guide.
On Sat, Sep 15, 2012 at 4:21 AM, Jane Chen <[EMAIL PROTECTED]> wrote:
> If I were to upgrade from 1.0 to 0.23.1 or 2.0, will my data stored on HDFS still be accessible to the 2.0 system? Is there any documented upgrade process available?