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19: Q125 – Q130 Apache Zookeeper interview Q&As

Q125. What is Apache Zookeeper & where can you use it? A125. Distributed applications like HBase, Solr, etc run services on multiple nodes (i.e. computers) for scalability (i.e more nodes can be added) & redundancy (i.e. several nodes provide the same service & if one node is down another node...



20: Q131 – Q137 FAQ Apache Solr with HDFS interview questions & answers

Covers Solr interview Q&As in general, and how Solr can be used with Big Data in HDFS to index & query the data. You can get sub-seconds query performance when query the data on HDFS that are indexed using Solr. Q131. How does Solr accomplish fast search performance? … Read...



5 Apache YARN interview Q&As

Q1. What is Apache YARN? A1. Apache Hadoop YARN (aka Yet Another Resource Negotiator) is a framework to provide computational resources for execution engines like Map Reduce, Apache Spark, Apache Storm, Hive, Hbase, etc. As a key Hadoop component, YARN is responsible for allocating system resources (E.g. … Read more...



Finding your way around YARN and Spark on Cloudera

What is Apache Hadoop YARN? Apache Hadoop YARN (Yet Another Resource Negotiator) is the prerequisite for Enterprise Hadoop for dynamic allocation oc the cluster resources. For example, when you run a Spark job on YARN as opposed to in standalone mode, you can will take advantage of categorizing, isolating, and...



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