Big Data & Hadoop

Big Data & Hadoop

Q:- What is Big Data?
A:- Massive Volume , Structured,Semi-Structured,Unstructured data which is so large and difficult to       process using traditional approach under databases and software techniques.
      In this individual transactions are not critical only aggregates or you can say derived analysis
      matters.
      Examples :- Credit Card transactions – 10,000/second. Walmart – 1 Million Customer                         transactions/second. RFID Systems .

Internal vs. External Sources
3 V of Big Data

  1. Volume
  2. Velocity
  3. Variety



  
Now Come to HADOOP


Comments

Post a Comment

Popular posts from this blog

For getting Information related to Unix Shell used in Hadoop or HDFS operation, get in touch with this link :- Unix Shell Guide : - HADOOP
Read more

DeprecatedProperties for Apache Hadoop 3.0.0-alpha4

Deprecated Properties The following table lists the configuration property names that are deprecated in this version of Hadoop, and their replacements. Deprecated property name New property name create.empty.dir.if.nonexist mapreduce.jobcontrol.createdir.ifnotexist dfs.access.time.precision dfs.namenode.accesstime.precision dfs.backup.address dfs.namenode.backup.address dfs.backup.http.address dfs.namenode.backup.http-address dfs.balance.bandwidthPerSec dfs.datanode.balance.bandwidthPerSec dfs.block.size dfs.blocksize dfs.data.dir dfs.datanode.data.dir dfs.datanode.max.xcievers dfs.datanode.max.transfer.threads dfs.df.interval fs.df.interval dfs.encryption.key.provider.uri hadoop.security.key.provider.path dfs.federation.nameservice.id dfs.nameservice.id dfs.federation.nameservices dfs.nameservices dfs.http.address dfs.namenode.http-address dfs.https.address dfs.namenode.https-address dfs.https.client.keystore.resource dfs.client.https.keystore.resource dfs.https
Read more