What is the purpose of button groups?
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What are the important differences between apache and hadoop?
Can we do online transactions(oltp) using hadoop?
Can Hadoop be compared to NOSQL database like Cassandra?
What is HDFS Block size? How is it different from traditional file system block size?
Does google use hadoop?
Why do we use HDFS for applications having large data sets and not when there are lot of small files?
What is a Secondary Namenode? Is it a substitute to the Namenode?
Is hadoop open source?
Which data storage components are used by hadoop?
how to share the metastore within multiple users?
How did you debug your Hadoop code ?
Is client the end user in HDFS?
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