Question-57:Your company utilises Google Cloud to host an application that is currently collecting data from thousands of physically dispersed devices all over the world. Through the use of a Dataflow pipeline, data is published to a Pub/Sub and then streamed in real time into a SSD Cloud Bigtable cluster. Your Cloud Bigtable cluster has been identified as having a hotspot by the operations team, which explains why queries are taking significantly more time than usual. You are responsible for finding a solution to the issue and ensuring that it does not recur in the future. What is it that you ought to do?
A. You should suggest to your customers that they use the HBase APIs rather than the NodeJS APIs.
B. Remove records that are more than 30 days old.
C. Review your strategy for RowKey and make sure that the keys are distributed evenly across the alphabet.
D. Increase the number of nodes you already have by a factor of two.

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