Best Practices And Optimization Of Hadoop - Study Mode
[#126] What is speculative execution in Hadoop, and when is it triggered?
Correct Answer
(B) Re-executing a task when it fails
[#127] How can the Hadoop block size affect job performance?
Correct Answer
(A) Larger blocks can improve data locality
[#128] Apache Storm added the open source, stream data processing to . . . . . . . . Data Platform.
Correct Answer
(B) Hortonworks
[#129] . . . . . . . . properties can be overridden by specifying them in the job-xml file or configuration element.
Correct Answer
(A) Pipe
[#130] Kafka maintains feeds of messages in categories called . . . . . . . .
Correct Answer
(A) topics