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JamCon questions

JamCon answers

• Download file weekly from FTP to HDFS
• how to list spark-packages added to the spark context?
• Load large csv in hadoop via Hue would only store a 64MB block
• Distributing Data Nodes Across Multiple Data Centers
• Simple User/Password authentication for HiveServer2 (without Kerberos/LDAP)
• Apache Toree to connect to a remote spark cluster
• Hadoop MapReduce: Clarification on number of reducers
• Solr 4.2 - what is _version_field?
• Optimal way to create a ml pipeline in Apache Spark for dataset with high number of columns
• Pig - Load multiple files with different schema