Parallel database systems store replicas of each data item (or partition) on more than one node. a. Why is it a good idea to distribute the copies of the data items allocated to a node across multiple...

Parallel database systems store replicas of each data item (or partition) on
more than one node.
a. Why is it a good idea to distribute the copies of the data items allocated
to a node across multiple other nodes, instead of storing all the copies
in the same node (or set of nodes).
b. What are the benefits and drawbacks of using RAID storage instead of
storing an extra copy of each data item?

Jun 09, 2022

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Parallel database systems store replicas of each data item (or partition) on more than one node. a. Why is it a good idea to distribute the copies of the data items allocated to a node across multiple...

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