HBaseSink (org.apache.flume.sink.hbase.HBaseSink) supports secure HBase clusters and also the novel HBase IPC that was introduced in the version HBase 0.96
AsyncHBaseSink (org.apache.flume.sink.hbase.AsyncHBaseSink) has better performance than HBase sink as it can easily make non-blocking calls to HBase
Question 8. What are the advantages of using Flume?
Using Apache Flume we can store the data in to any of the centralized stores (HBase, HDFS)
When the rate of incoming data exceeds the rate at which data can be written to the destination, Flume acts as a mediator between data producers and the centralized stores and provides a steady flow of data between them
Question 10. Which property in Thrift source of Flume to provide the keytab location used by the Thrift Source in combination with the agent-principal to authenticate to the kerberos KDC?