Scala is next level of JVM language, Earning is popularity day by day against most popular sibling language JAVA. Considerable amount of developers are switching to scala and many...
Scala is next level of JVM language, Earning is popularity day by day against most popular sibling language JAVA. Considerable amount of developers are switching to scala and many...
A Scalable language Scala is an acronym for “Scalable Language”. This means that Scala grows with you. You can play with it by typing one-line expressions and observing the...
A Scalable language Scala is an acronym for “Scalable Language”. This means that Scala grows with you. You can play with it by typing one-line expressions and observing the...
To configure the OpenStack services with service users, create a project for all services and create users for each service. Assign the admin role to each service user and...
To configure the OpenStack services with service users, create a project for all services and create users for each service. Assign the admin role to each service user and...
As an administrator, you manage projects, users, and roles. Projects are organizational units in the cloud to which you can assign users. Projects are also known as projects or accounts. Users can...
As an administrator, you manage projects, users, and roles. Projects are organizational units in the cloud to which you can assign users. Projects are also known as projects or accounts. Users can...
Mitaka is 13th release of Openstack. Following are some of the notable features in Mitaka. Compute Real-time Kernel-based Virtual Machine (KVM) compute nodes and custom CPU thread policies Live migration improvements...
Mitaka is 13th release of Openstack. Following are some of the notable features in Mitaka. Compute Real-time Kernel-based Virtual Machine (KVM) compute nodes and custom CPU thread policies Live migration improvements...
Question: What are key components of Hbase? Answer: Main components of Hbase :- Hmaster Zoopkeeper Region Server Other main components are :- Memstore Hfile WAL Question: What role does Zookeeper...
Question: What are key components of Hbase? Answer: Main components of Hbase :- Hmaster Zoopkeeper Region Server Other main components are :- Memstore Hfile WAL Question: What role does Zookeeper...
Q. If you run select * query in Hive, why it’s not run MapReduce? It’s an optimization technique. hive.fetch.task.conversion property can (FETCH task) minimize the latency of MapReduce overhead....
Q. If you run select * query in Hive, why it’s not run MapReduce? It’s an optimization technique. hive.fetch.task.conversion property can (FETCH task) minimize the latency of MapReduce overhead....
Question: What is Hive Metastore ? Answer: Hive Meta store is a database that stores metadata of your hive tables like table name,column name,data types,table location,number of buckets in the...
Question: What is Hive Metastore ? Answer: Hive Meta store is a database that stores metadata of your hive tables like table name,column name,data types,table location,number of buckets in the...
Question: Can I set the number of reducers to zero? Answer: Yes, Setting the number of reducers to zero is a valid configuration in Hadoop. When you set the...
Question: Can I set the number of reducers to zero? Answer: Yes, Setting the number of reducers to zero is a valid configuration in Hadoop. When you set the...
Question: What is Hadoop Map Reduce ? Answer: Hadoop MapReduce is a software framework for easily writing applications which process vast amounts of data (multi-terabyte data-sets) in-parallel on large...
Question: What is Hadoop Map Reduce ? Answer: Hadoop MapReduce is a software framework for easily writing applications which process vast amounts of data (multi-terabyte data-sets) in-parallel on large...
Question: What is Big Data ? Answer: Big data is a term for data sets where data is so large or complex that it is difficult to capture data, analysis,...
Question: What is Big Data ? Answer: Big data is a term for data sets where data is so large or complex that it is difficult to capture data, analysis,...
HBase is a database built on top of the HDFS. HBase provides fast lookups for larger tables. The goal of the HBase project is to host very large tables...
HBase is a database built on top of the HDFS. HBase provides fast lookups for larger tables. The goal of the HBase project is to host very large tables...
Pig was initially developed at Yahoo!. Apache Pig is one of the components of Hadoop is used for processing and analysing large data sets. It runs on top of...
Pig was initially developed at Yahoo!. Apache Pig is one of the components of Hadoop is used for processing and analysing large data sets. It runs on top of...
In this section we are going to cover the following :- Type of tables Creating views Type of Tables : You can have Managed table and External Table in Hive....
In this section we are going to cover the following :- Type of tables Creating views Type of Tables : You can have Managed table and External Table in Hive....
Apache Hive is one of the components of Hadoop Ecosystem. Hive is Datawarehouse provides the SQL-like interface used to Query Big Data . Features of Hive : Support various...
Apache Hive is one of the components of Hadoop Ecosystem. Hive is Datawarehouse provides the SQL-like interface used to Query Big Data . Features of Hive : Support various...
