Hi All,
Any thoughts to share?
-Nirmal
From: Nirmal Kumar
Sent: Thursday, January 16, 2014 5:44 PM
To: user@hadoop.apache.org
Subject: Hadoop migration downtime: Hadoop 1.x to 2.x
All,
I want to know while upgrading\migrating from Apache Hadoop 1.x to
2.x(MRv2+YARN) in a production cluster
If you have a mirror of your production environment (not in size but in
versions of hardware and software), I suggest you run migration steps on
this environment to test and measure the down times.
Actual down times are dependent on components in use. You could also do
some of your backup steps
All,
I want to know while upgrading\migrating from Apache Hadoop 1.x to
2.x(MRv2+YARN) in a production cluster of several nodes is there any
*anticipated downtime* that one needs to be aware of?
I am asking this since this will hamper the *HA (High Availability)*.
IMHO as with any other