Question-74: Match the following configuration parameters and their usage.

1. gc_grace_seconds
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1. Defines the time Cassandra keeps tombstone around.
2. Once this expires nodes stop saving hints.
3. Target for the maximum time between 2 validation of the same data.
4. Maximum number of bytes per second used to validate the data.

Ans: A-1, B-2, C-3, D-4

Exp : The gc_grace_seconds defines the time Cassandra keeps tombstone around. Tombstones are special values Cassandra writes instead of the actual data whenever data is deleted or its TTL expires. The default value of the gc_grace_seconds is 10 days. On single node we can set this value as 0.

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