specified by the kafka consumer client, used to distinguish different clients
the number of byes of messages to attempt to fetch
this is for bootstrapping and the consumer will only use it for getting metadata
backoff time to wait before trying to determine the leader of a partition that has just lost its leader
maximum attempts to determine leader for all partition before giving up
the socket receive buffer for network requests
the socket timeout for network requests.
the socket timeout for network requests. Its value should be at least fetch.wait.max.ms.