# Import json
mongoimport -d crunchbase -c companies companies.json

# Change Storage Engine and Database location.
mongod -dbpath WT -storageEngine wiredTiger
# Example
mongod --storageEngine wiredTiger --dbpath /data/wt

# Create a new server in replica set
mongod --port 30002 --replSet replica_set --dbpath /data/db/rs2