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Hadoop · Q34

Realtime Processing with Apache Spark

Programming · Hadoop · question 34

Q34

Point out the wrong statement.

A.
ConcurScheduler detects whether the index is on SSD or not
Answer
B.
Memory index supports payloads
C.
Auto-IO-throttling has been added to ConcurrentMergeScheduler, to rate limit IO writes for each merge depending on incoming merge rate
D.
The default codec has an option to control BEST_SPEED or BEST_COMPRESSION for stored fields

Answer: Option A

Solution

Answer: Option A
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