You want to understand more about how users browse your public website. For example, you want to know which pages they visit prior to placing an order. You have a server farm of 100 web servers hosting your website.
Which is the most efficient process to gather these web servers across logs into traditional Hadoop ecosystem.
A . Just copy them into HDFS using curl
B . Ingest the server web logs into HDFS using Apache Flume
C . Channel these clickstreams into Hadoop using Hadoop Streaming
D . Import all user clicks from your OLTP databases into Hadoop using Sqoop
Answer: B