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Moving Away From Amazon’s EMR Service to an In-House Hadoop Cluster
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How to use JConsole to connect to a Cassandra cluster in Amazon EC2?
Mar 2, 2011 I want to use JConsole to look at the Cassandra's MBean's attributes
(like Memtable stats). But since my Cassandra nodes are running on
Amazon EC2 instances, I have to use an ssh login with a ppk
authentication file (when connecting via Putty,…
Using Amazon Simple Email Service SES Feb 15, 2011 Has anyone been able to use this service with commons email? I can't
seem to wrap my head around how to do it. Here here is bit of their
sample code.... PropertiesCredentials credentials = new
PropertiesCredentials( …
Invalid sync error when reading Avro file (Amazon EMR Hadoop) May 25, 2011 This is a multi-part message in MIME format. Getting this error when
reading an Avro file on Amazon EMR Hadoop. Does not occur on any
recent Apache Hadoop build. Exception
org.apache.avro.AvroRuntimeException: java.io.IOException: Invalid
sync!…
how I can do to configure/start a hadoop cluster(pseudo distributed) with the last hadoop trunk cod Jun 3, 2010 All, I have followed the instructions on http://wiki.apache.org/hadoop/EclipseEnvironment to download the latest trunk source code and build .jar for common, hdfs and mapred. but how should I proceed to configure and start a hadoop cluster(psudo…
Chukwa moving out of Hadoop Jul 16, 2010 All, As part of Chukwa's migration from Hadoop to incubator, I've moved the subversion over to incubator. Over the next couple weeks, we'll move the web pages, etc. I just didn't want anyone who isn't tracking the chukwa-dev list to get…
Hive should start moving to the new hadoop mapreduce api. Jul 29, 2010 Hi all, In offline discussions when we fixing HIVE-1492, we think it maybe good now to start thinking to move Hive to use new MapReduce context API, and also start deprecating Hadoop-0.17.0 support in Hive. Basically the new MapReduce API gives…
Created: (HDFS-1488) hadoop will terminate Web service process when a hadoop mapreduce task is finis Nov 5, 2010 hadoop will terminate Web service process when a hadoop mapreduce
task is finished.
Total Space Available on Hadoop Cluster Or Hadoop version of "df". Oct 1, 2010 Hi, I am using Hadoop 0.20.2 version for data processing by setting
up Hadoop Cluster on two nodes. And I am continuously adding more
space to the nodes. Can some body let me know how to get the total
space available on the hadoop cluster using…
Hadoop Cluster Configuration Jul 28, 2010 Hi, While setting hadoop cluster, does configuration files (conf/core-site.xml, conf/mapred-site.xml,conf/hdfs-site.xml) in every node(name node and data nodes) needs to be configured in the same manner? How does configuration of name node…
Deploying my job jar on hadoop cluster Aug 28, 2010 Hi, I want to deploy my map reduce job jar on the Hadoop cluster.
I've always done that by doing the following - 1. Copying the job jar
to all datanodes 2. Having the job jar on the hadoop classpath on all
machines. Isn't hadoop capable of…
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