Question-179: When you issue “nodetool compact” it will 

  1. Initiate major compaction.
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Ans : A, D,E

Exp :  Whenever user issues “nodetool compact”  command,  then Cassandra  initiate major compaction.  Which would try to create a single SSTable out of all the available SSTable, which is not a good idea, and this command should be avoided. 

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