Question

In Riak Key Value datastore, the variable 'W' indicates __________.

Answer 1

Answer:

w=number of nodes that should respond to a write request before it is considered successful.

Explanation:

Riak is a distributed NoSQL key-value data store. NoSQL means Not Only SQL, meaning that when designing a software solution, there are more than one storage mechanisms used based on the needs

NoSQL databases allows developers to develop without having to convert in-memory structures to relational structures.

Riak offers a distributed key-value database. There are essentially three variables r, w, n where w means;

w=number of nodes that should respond to a write request before it is considered successful.

Answer 2

In Riak Key Value datastore, the variable 'W' indicates the number of nodes that should respond to a write request

Explanation:

'Riak' is a distributed key-value NoSQL database that caters to high-availability, fault tolerance, operating simplicity, and scalability.

Riak NoSQL database gives options to set the database as per the requirement. The following are the three distinct variables r, w, and n which can be used to tune the database.

• r= Indicating the number of nodes which must reply to a read request before it is treated successfully.
• w= Indicating the number of nodes that should respond to write requests before it is treated successfully.
• n= Indicating the number of nodes where the data is replicated.

To know more

The RDBMS 'table' equivalent terminology in Riak is ________.

Options 1)data store 2)key-value 3)bucket 4)datasegment 5) None of the above

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A Riak convergent replicated data type (CRDT) includes?

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