What is AVR and tell its principle and working ?
Answer : AVR is automatic voltage regulator which is nothing but stabilizer...
Why CRGO material is used in transformer ?
Answer : CRGO is used in transformer to reduce the core losses in transformer...
How to calculate VCB current rating for 2000 KVA transformer ?
Answer : Power is defined as the rate of doing work...
What is MapR’s Direct Access NFS ?
Answer : NFS Benefits with the MapR Converged Data Platform...
What is MapR ?
Answer : MapR addresses the limitations of Hadoop....
What is DITA ?
Answer : Darwin Information Typing Architecture (DITA) is the most ideal approach...
What are the differences between Impala and Apache Drill ?
Answer : Analytic DBMS for Hadoop Schema-free SQL Query Engine for Hadoop...
What is the difference between Impala and Apache Hive ?
Answer : Impala does runtime code generations for “big loops ” using llvm...
What is the difference between Apache Hadoop and Cloudera in big data ?
Answer : Apache Hadoop is the Hadoop distribution from Apache group...
What is the architectural design and features of Cloudera Impala ?
Answer : The impala server consist of distributed and massively parallel processing info engine...
What is Cloudera’s technology stack ?
Answer : Here are some products that make up Cloudera’s tech stack:...
What is cloudera impala ?
Answer : Impala was the first to bring SQL querying to the public in April 2013...
What is the difference between primary, partition and clustering key in Cassandra ?
Answer : In Cassandra, a table contain a number of rows.
What is the difference between Cassandra and Hadoop ?
Answer : All nodes are same in Peer-to-Peer Distributed architecture. Master/Slave. Name Node act as Master and data node...
What is the virtual node in Cassandra ?
Answer : Prior to Cassandra 1.2, every node was allocate to a particular token range.
What is the use of Cassandra database ?
Answer : Apache Cassandra is a high-performance provides database to manage large number of data among many commodity...
What is the replica placement strategy in Cassandra ?
Answer : Once you’ve absorbed that the strategy should fit the kind of environment you are placing your cluster in...
What is the relationship between Apache Hadoop, HBase, Hive and Cassandra ?
Answer : It is a Big Data framework which uses Hadoop Distributed File System to Store the data and MapReduce framework to...
What is the most widely used API to write data to Cassandra ?
Answer : Java makes the write procedure locked into the Java program.
What is the internal architecture of the Cassandra database ?
Answer : Cassandra is build to manage big data workloads among multiple nodes with no single point of failure