Explanation:Map output will be written directly to disk without first staging through memory. 4. Jobs can enable task JVMs to be reused by specifying the job configuration :
A. mapred.job.recycle.jvm.num.tasks
B. mapissue.job.reuse.jvm.num.tasks
C. mapred.job.reuse.jvm.num.tasks
D. All of the mentioned
Answer:A
Explanation:Map output will be written directly to disk without first staging through memory. 4. Jobs can enable task JVMs to be reused by specifying the job configuration :
A. mapred.job.recycle.jvm.num.tasks B. mapissue.job.reuse.jvm.num.tasks C. mapred.job.reuse.jvm.num.tasks D. All of the mentioned
Explanation:Many of my tasks had performance improved over 50% using mapissue.job.reuse.jvm.num.tasks. 5. Point out the wrong statement :