Point out the correct statement.(a) Cassandra accommodates expensive, consumer SSDs extremely well(b) Cassandra re-writes or re-reads existing data, and never overwrites the rows in place(c) Cassandra uses a storage structure similar to a Log-Structured Merge Tree(d) None of the mentionedThis question was addressed to me in an online interview.I want to ask this question from Cassandra with Hadoop in division ZooKeeper, Sqoop and Cassandra of Hadoop

Point out the correct statement.(a) Cassandra accommodates expensive,

1.	Point out the correct statement.(a) Cassandra accommodates expensive, consumer SSDs extremely well(b) Cassandra re-writes or re-reads existing data, and never overwrites the rows in place(c) Cassandra uses a storage structure similar to a Log-Structured Merge Tree(d) None of the mentionedThis question was addressed to me in an online interview.I want to ask this question from Cassandra with Hadoop in division ZooKeeper, Sqoop and Cassandra of Hadoop
Answer» The correct OPTION is (c) Cassandra uses a STORAGE structure similar to a Log-Structured Merge Tree Easiest explanation: A log-structured engine that avoids overwrites and uses sequential IO to update data is ESSENTIAL for writing to HARD disks (HDD) and solid-state disks (SSD).

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