Question

Point out the correct statement.

(a) Spikes in the number of available connections can also be the result of application or driver errors

(b) For read-heavy applications, increase the size of your replica set and distribute read operations to secondary members

(c) For read-heavy applications, deploy sharding and add one or more shards to a sharded cluster to distribute load among mongod instances

(d) All of the mentioned

The question was posed to me in a national level competition.

My question is based upon Optimization Strategies in division Monitoring MongoDB and Optimization Strategies for MongoDB of MongoDB

Answer 1

Correct choice is (b) For read-heavy applications, increase the size of your replica set and distribute read operations to secondary members

The explanation: Extremely high numbers of connections, particularly without corresponding workload is often indicative of a driver or other configuration error.