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 of
Hi there,
I was using hadoop-2.2.0 to run an application that only lunch 3 containers the
application master container and 2 more containers that run the job. one of the
2 containers is returning as completed from the Resource Manager's logs as soon
as it is launched. The problem is the process
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
Hi Folks,
Does anyone have idea regrading, start and stop services on all the nodes
in parallel. i am facing an issue i have a big cluster like 1000 nodes and
i want services to start and stop , if i do it sequentially it will take
around 30-50mins , what can i do to make it parallelly, does
Hi,
pssh should be able do to the job.
~Haohui
On Mon, Jan 20, 2014 at 10:34 AM, hadoop hive hadooph...@gmail.com wrote:
Hi Folks,
Does anyone have idea regrading, start and stop services on all the nodes
in parallel. i am facing an issue i have a big cluster like 1000 nodes and
i want
Hi Bruno,
Could you post your configuration? Also, when you killed one of
the NN, you mean only killing the NN process or you shutdown the whole
machine?
Thanks,
-Jing
On Mon, Jan 20, 2014 at 4:11 AM, Bruno Andrade b...@eurotux.com wrote:
Hey,
I have configured a Hadoop v2.2.0 cluster
Hi, we are new to hadoop and trying to use open source apache hadoop (2.2.0)
with IBM JDK V7.0. We had to compile hadoop components (e.g. pig, hive, etc.)
with IBM JDK (since original distribution worked with Oracle JRE but failed on
IBM JRE) however; we discovered a few compilation errors.
Hi,
I am trying to write a map reduce program on a windows machine and I have
imported hadoop-core1.2.1.jar in eclipse on windows
I am getting the following error
Exception in thread main java.lang.NoSuchFieldError: IBM_JAVA
at
