Define and install a rack topology script
Click here to understand the complete details with respect to rack topology script.
Day: February 9, 2023
Define and install a rack topology script
Click here to understand the complete details with respect to rack topology script.
Introduction and Setting up of Scala
In this topic, we will explore Scala. What is Scala? Scala is JVM based functional programming language. Why Scala? Even though Scala is there for more than a decade (founded in 2000), it has gained a lot of momentum with Spark. Spark is completely developed using Scala On top of Spark (used for data processing), Scala …
CCA 175 Spark and Hadoop Developer using Scala – Introduction
This is the reference material for CCA 175 Spark and Hadoop Developer using Scala. Agenda Introduction Curriculum Required Skills Setup Environment HDFS and YARN Data Sets Windows Environment (labs) Introduction CCA Spark and Hadoop Developer is well recognized certification in the industry Conducted by Cloudera – a major Big Data vendor ITVersity played key role …
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Resolve performance problems/errors in cluster operation
Let us discuss some of the common performance problems or errors in cluster operation. We might see performance problems/errors in almost all the services. But most common ones are related to applications. We typically run applications using one of these – Map Reduce, Spark, Impala, HBase etc. Map Reduce and Spark are typically run using …
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Resolve errors/warnings in Cloudera Manager
Let us see how can resolve errors and warnings we see in Cloudera Manager. Errors will be in red and warning will be in orange. We need to make sure there are no errors or warnings in Cloudera Manager. We will only be able to work on errors related to Hosts and Services using Cloudera …