在程序中我们采用5个线程去发送20条消息，并且指定了消息的分区，每条消息的间隔20ms。输出结果如下：
18/07/12 09:58:08 INFO CommonProducerThread: prepare to send msg:thread name=pool-1-thread-1,key=0,value=1531360688703 18/07/12 09:58:08 INFO CommonProducerThread: prepare to send msg:thread name=pool-1-thread-2,key=1,value=1531360688748 18/07/12 09:58:08 INFO CommonProducerThread: prepare to send msg:thread name=pool-1-thread-3,key=2,value=1531360688853 18/07/12 09:58:08 INFO CommonProducerThread: prepare to send msg:thread name=pool-1-thread-4,key=3,value=1531360688878 18/07/12 09:58:08 INFO CommonProducerThread: prepare to send msg:thread name=pool-1-thread-5,key=4,value=1531360688900 18/07/12 09:58:08 INFO CommonProducerThread: prepare to send msg:thread name=pool-1-thread-1,key=5,value=1531360688921 18/07/12 09:58:08 INFO CommonProducerThread: prepare to send msg:thread name=pool-1-thread-3,key=6,value=1531360688942 18/07/12 09:58:08 INFO ProducerAckCallback: send success:key 3,value 1531360688878, sent to partition 0,offset 59 in 91 ms 18/07/12 09:58:08 INFO ProducerAckCallback: send success:key 0,value 1531360688703, sent to partition 0,offset 60 in 241 ms 18/07/12 09:58:08 INFO ProducerAckCallback: send success:key 6,value 1531360688942, sent to partition 0,offset 61 in 17 ms 18/07/12 09:58:08 INFO ProducerAckCallback: send success:key 1,value 1531360688748, sent to partition 1,offset 68 in 121 ms 18/07/12 09:58:08 INFO ProducerAckCallback: send success:key 4,value 1531360688900, sent to partition 1,offset 69 in 71 ms 18/07/12 09:58:08 INFO ProducerAckCallback: send success:key 2,value 1531360688853, sent to partition 2,offset 33 in 95 ms 18/07/12 09:58:08 INFO ProducerAckCallback: send success:key 5,value 1531360688921, sent to partition 2,offset 34 in 19 ms 18/07/12 09:58:08 INFO CommonProducerThread: prepare to send msg:thread name=pool-1-thread-1,key=7,value=1531360688976 18/07/12 09:58:08 INFO ProducerAckCallback: send success:key 7,value 1531360688976, sent to partition 1,offset 70 in 5 ms 18/07/12 09:58:08 INFO CommonProducerThread: prepare to send msg:thread name=pool-1-thread-3,key=8,value=1531360688997 18/07/12 09:58:09 INFO ProducerAckCallback: send success:key 8,value 1531360688997, sent to partition 2,offset 35 in 4 ms 18/07/12 09:58:09 INFO CommonProducerThread: prepare to send msg:thread name=pool-1-thread-4,key=9,value=1531360689022 18/07/12 09:58:09 INFO ProducerAckCallback: send success:key 9,value 1531360689022, sent to partition 0,offset 62 in 3 ms 18/07/12 09:58:09 INFO CommonProducerThread: prepare to send msg:thread name=pool-1-thread-5,key=10,value=1531360689043 18/07/12 09:58:09 INFO ProducerAckCallback: send success:key 10,value 1531360689043, sent to partition 1,offset 71 in 4 ms 18/07/12 09:58:09 INFO CommonProducerThread: prepare to send msg:thread name=pool-1-thread-2,key=11,value=1531360689065 18/07/12 09:58:09 INFO ProducerAckCallback: send success:key 11,value 1531360689065, sent to partition 2,offset 36 in 5 ms 18/07/12 09:58:09 INFO CommonProducerThread: prepare to send msg:thread name=pool-1-thread-1,key=12,value=1531360689089 18/07/12 09:58:09 INFO ProducerAckCallback: send success:key 12,value 1531360689089, sent to partition 0,offset 63 in 5 ms 18/07/12 09:58:09 INFO CommonProducerThread: prepare to send msg:thread name=pool-1-thread-3,key=13,value=1531360689118 18/07/12 09:58:09 INFO ProducerAckCallback: send success:key 13,value 1531360689118, sent to partition 1,offset 72 in 5 ms 18/07/12 09:58:09 INFO CommonProducerThread: prepare to send msg:thread name=pool-1-thread-4,key=14,value=1531360689141 18/07/12 09:58:09 INFO ProducerAckCallback: send success:key 14,value 1531360689141, sent to partition 2,offset 37 in 7 ms 18/07/12 09:58:09 INFO CommonProducerThread: prepare to send msg:thread name=pool-1-thread-5,key=15,value=1531360689174 18/07/12 09:58:09 INFO ProducerAckCallback: send success:key 15,value 1531360689174, sent to partition 0,offset 64 in 5 ms 18/07/12 09:58:09 INFO CommonProducerThread: prepare to send msg:thread name=pool-1-thread-2,key=16,value=1531360689198 18/07/12 09:58:09 INFO ProducerAckCallback: send success:key 16,value 1531360689198, sent to partition 1,offset 73 in 4 ms 18/07/12 09:58:09 INFO CommonProducerThread: prepare to send msg:thread name=pool-1-thread-1,key=17,value=1531360689220 18/07/12 09:58:09 INFO ProducerAckCallback: send success:key 17,value 1531360689220, sent to partition 2,offset 38 in 4 ms 18/07/12 09:58:09 INFO CommonProducerThread: prepare to send msg:thread name=pool-1-thread-3,key=18,value=1531360689245 18/07/12 09:58:09 INFO ProducerAckCallback: send success:key 18,value 1531360689245, sent to partition 0,offset 65 in 4 ms 18/07/12 09:58:09 INFO CommonProducerThread: prepare to send msg:thread name=pool-1-thread-4,key=19,value=1531360689266 18/07/12 09:58:09 INFO ProducerAckCallback: send success:key 19,value 1531360689266, sent to partition 1,offset 74 in 6 ms本文总结了kafka生产者常用配置，并用多线程发送消息。