"ya you can dynamically add the nodes to the cluster."
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Latest Activity
Vikas Srivastava replied to ramzi's discussion exception occured while starting hadoop"You need to change the hostname of you namenode
NEED TO REMOVE "-" from hostname"
Vikas Srivastava replied to Greg's discussion Incompatible namespaceIDs after formatting namenode"Hey ,
After Stopping cluster ,
Wat you have to do is delete the tmp/$hadoopuser directory and format the namenode.
Hope you get your problem solved
Regards
Vikas Srivastava"
Vikas Srivastava replied to Raj Kumar's discussion Regarding Map Reduce Program"hey Raj,
yes u can write MR jobs , but you can also do this in simple java API's, which is much easy anyways,
which you can easily find out in HBASE Definetive guide.
Regards
Vikas Srivastava
"
Vikas Srivastava replied to Bhavesh Shah's discussion Query related to Hadoop's map-reduce"hey i didnot get it,
wat you actually looking for is that code what you need ???
"
Vikas Srivastava replied to Prabha Satya's discussion hardware failures in hadoop"Hey we are using 0.20.2 , till now its working and gud."
Vikas Srivastava replied to John Yard's discussion Turning off Speculative Execution"Hey John,
U just need Alter that block and put final in mapred-site.xml.
like
<final>true<final>
regards
Vikas Srivastava"
Vikas Srivastava replied to Raj Kumar's discussion Can i update data in HDFS file"its possible to update data in hbase."
Vikas Srivastava replied to Vasanthi Valliappan's discussion Need help on how to find the block locations in HDFS"if can find it on NAMENODE UI.. and there must be java api for that also."
Vikas Srivastava replied to Tamil Ilakkia's discussion Opening for Hadoop Developers in CMM5 IT firm Bangalore"i m interested in it."
Vikas Srivastava replied to Raj Kumar's discussion Need Help To process nearly 40 GB data"you can store it in hdfs with compression which would help you to compress the data as well as in reading the data efficiently..
you can do it by hive.
Regards
Vikas Srivastava
"
Vikas Srivastava replied to Arun Prakash's discussion Difference between dfs vs fs"Hi Arun, the dfs commands works when u r on hive cli, if you want to see the file system while being on hive cli, you can do is it by use
hive $: dfs /user/hive ;
and
fs is used for viewing the file system through linux cli
liny@user$: hadoop fs -ls…"
Vikas Srivastava replied to Raj Kumar's discussion Can i update data in HDFS file"Hi Raj,
Its not possible by now, u can simply copy the file do it by sed or Awk.
Regards
Vikas Srivastava"
Vikas Srivastava replied to Raj Kumar's discussion Need Help To process nearly 40 GB data"Simple if you at starting point
read from wiki hadoop ...after installation you can upload data through hive (interface on hadoop) into table,"
Profile Information
- Hadoop Experience Level
- Intermediate
- Interests
- Hadoop, Hbase, Hive, sqoop, Mahout
- Expertise
- Hadoop, Hive
- Current Project
- Big Data Analysis, Storage and Manipulation with the Help of Hadoop/hive/Hbasr, and Mahout
- Available for Consulting
- Yes
- Search Expertise
- Novice
- HBase Expertise
- Intermediate
- Machine Learning Expertise
- Beginner
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