卡夫卡平
kafkaping就像IP ping一样，但是对于Kafka。 确切地说，它正在成为经纪人的话题，并且正在消耗和衡量它们之间的等待时间。
用法
Usage: kafkaping [-g] [-t topic] [-c count] [-i interval_ms] [broker list]
-g Increases debugging print verbosity
-t TOPIC What Kafka topic to use for producing/consuming messages [kafkaping]
-c COUNT Number of messages to send & receive before quitting [unlimited]
-i MSECS Time to wait between to pings
