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I needed to start a new EC2 instance today and decided to try out the new spot instances, where you can reduce your instance cost by bidding on the maximum per-hour price you're prepared to pay. Since today's spot price was only 35c / hour, compared with 85c / hour for an on-demand instance, I was…
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I needed to start a new EC2 instance today and decided to try out the new spot instances, where you can reduce your instance cost by bidding on the maximum per-hour price you're prepared to pay. Since today's spot price was only 3.5c / hour, compared with 8.5c / hour for an on-demand instance, I…
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Hi,
I am using cloudera setup to launch a cluster with hadoop on Amazon. Sometimes, the master hadoop node hangs and we have to restart the job from the job. Did anyone face similar problem and resolve the issue.
Thank you.
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IIS 7.5:
Ftp Firewall Suport: Data Ranges 49152-65535 using external Ip of Amazon EC2 static IP
Ftp IPv4 Restriction: allow: Amazon EC2 static IP
Ftp Authentication: Anonymous: Enabled, Basic: Disabled, IISMgr: Enabled
Ftp Authorization: Allow All Users: Read/Write
Windows Firewall (Inbound):
Open…
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I am not a Linux admin, although I wish I was, and I have seen these questions
Amazon EC2 Backup Strategy
Amazon EC2 + EBS:: Regular backup plan?
Simple Backup Strategy for Amazon EC2 instances / volumes?
And this suggestion
http://alestic.com/2009/09/ec2-consistent-snapshot
I tried using…
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i am willing to learn hadoop as a Developer , but i am confused over the prerequisite of learning it.? is having a good experience in java programming very essential to learn hadoop? I have 4 years of experience in application development in LAMP.
But i am not in touch with java programming as a part…
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Full list of error:
hb@localhost:/etc/hadoop/conf$ sudo service hadoop-hdfs-namenode start
* Starting Hadoop namenode:
starting namenode, logging to /var/log/hadoop-hdfs/hadoop-hdfs-namenode-localhost.out
12/09/10 14:41:09 INFO namenode.NameNode: STARTUP_MSG:
/************************************************************
STARTUP_MSG:…
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Introduction
An attempt to combine HBase and HDFS results in the following:
2014-06-09 00:15:14,777 WARN org.apache.hadoop.hbase.HBaseFileSystem: Create Dir
ectory, retries exhausted
2014-06-09 00:15:14,780 FATAL org.apache.hadoop.hbase.master.HMaster: Unhandled
exception. Starting shutdown.
java…
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I compiling with Solaris 10 SPARC, jdk 1.6 from Sun, Ant 1.7.1 from OpenCSW.
I have no problem running hadoop 0.17.2.1
However, I have problem compiling/integrating hive with the error 'cannot find symbol', although I followed the tutorial.
I have the hive source code from SVN exactly from tutorial…
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I'm new to hadoop and is in learning phase.
As per Hadoop Definitve guide, i have set up my hadoop in pseudo distributed mode and everything was working fine. I was even able to execute all the examples from chapter 3 yesterday. Today, when i rebooted my unix and tried to run start-dfs.sh and then…
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