What is the process to perform an incremental data load in sqoop ?
Answer : Sqoop provides an incremental import mode.
Browsing Category
Big Data
20 posts
What is commodity hardware ?
Answer : Commodity hardware is a low-cost system identified …
Difference between Hive and HBase ?
Answer : Hive is a datawarehousing package built on the top of Hadoop…
What are the different configuration files in Hadoop ?
Answer : hadoop-env.sh,core-site.xml,hdfs-site.xml…
What are the different types of file permissions in HDFS ?
Answer : Hadoop distributed file system (HDFS) uses a specific permissions…
Difference between nfs and hdfs ?
Answer : NFS (Network File System) is one of the oldest and popular…
Why do we need Data Locality in Hadoop ?
Answer : Datasets in HDFS store as blocks in DataNodes…
What are the running modes of Hadoop ?
Answer : The three running modes of Hadoop are as follows…
What are the configuration parameters in a “MapReduce” program ?
Answer : Input location of Jobs in the distributed file system…
What are the core components of Hadoop ?
Answer : Hadoop is an open source framework that is meant…
What are the features of Hadoop ?
Answer : Hadoop supports the storage and processing of big data…
What is the difference between Hadoop and RDBMS ?
Answer : Hadoop Based on ‘Schema on Read’…
How to recover a NameNode when it is down ?
Answer : Use the FsImage which is file system metadata…
What are the Six V’s of Big Data ?
Answer : Volume represents the volume i.e. amount of data that is growing…
Why Hadoop used for Big Data Analytics ?
Answer : Big data analytics is the process of examining large data…
What are the components of HDFS and YARN ?
Answer : NameNode is the master node for processing metadata information…
What are the steps to deploy a big data solution ?
Answer : There are three steps to deploy a Big Data …
How big data analysis helpful in increasing business revenue ?
Answer : Big data analysis has become very important for the businesses…
