生产消息
# 使用控制台来向 Kafka 的指定主题发送消息
$ bin/kafka-console-producer.sh --broker-list kafka-host:port --topic test-topic --request-required-acks -1 --producer-property compression.type=lz4
>
消费消息
# 禁掉了自动提交位移,一些简单的测试
$ bin/kafka-console-consumer.sh --bootstrap-server kafka-host:port --topic test-topic --group test-group --from-beginning --consumer-property enable.auto.commit=false
测试生产者性能
# 向指定主题发送了 1 千万条消息，每条消息大小是 1K
$ bin/kafka-producer-perf-test.sh --topic test-topic --num-records 10000000 --throughput -1 --record-size 1024 --producer-props bootstrap.servers=kafka-host:port acks=-1 linger.ms=2000 compression.type=lz4
2175479 records sent, 435095.8 records/sec (424.90 MB/sec), 131.1 ms avg latency, 681.0 ms max latency.
4190124 records sent, 838024.8 records/sec (818.38 MB/sec), 4.4 ms avg latency, 73.0 ms max latency.
10000000 records sent, 737463.126844 records/sec (720.18 MB/sec), 31.81 ms avg latency, 681.00 ms max latency, 4 ms 50th, 126 ms 95th, 604 ms 99th, 672 ms 99.9th.
测试消费者性能
$ bin/kafka-consumer-perf-test.sh --broker-list kafka-host:port --messages 10000000 --topic test-topic
start.time, end.time, data.consumed.in.MB, MB.sec, data.consumed.in.nMsg, nMsg.sec, rebalance.time.ms, fetch.time.ms, fetch.MB.sec, fetch.nMsg.sec
2019-06-26 15:24:18:138, 2019-06-26 15:24:23:805, 9765.6202, 1723.2434, 10000000, 1764602.0822, 16, 5651, 1728.1225, 1769598.3012
查看主题消息总数
$ bin/kafka-run-class.sh kafka.tools.GetOffsetShell --broker-list kafka-host:port --time -2 --topic test-topic
#最早位移
test-topic:0:0
test-topic:1:0
$ bin/kafka-run-class.sh kafka.tools.GetOffsetShell --broker-list kafka-host:port --time -1 --topic test-topic
# 最新位移
test-topic:0:5500000 + 5500000
test-topic:1:5500000
# 5500000 + 5500000 =1100w
查看消息文件数据
$ bin/kafka-dump-log.sh --files ../data_dir/kafka_1/test-topic-1/00000000000000000000.log
Dumping ../data_dir/kafka_1/test-topic-1/00000000000000000000.log
Starting offset: 0
baseOffset: 0 lastOffset: 14 count: 15 baseSequence: -1 lastSequence: -1 producerId: -1 producerEpoch: -1 partitionLeaderEpoch: 0 isTransactional: false isControl: false position: 0 CreateTime: 1561597044933 size: 1237 magic: 2 compresscodec: LZ4 crc: 646766737 isvalid: true
baseOffset: 15 lastOffset: 29 count: 15 baseSequence: -1 lastSequence: -1 producerId: -1 producerEpoch: -1 partitionLeaderEpoch: 0 isTransactional: false isControl: false position: 1237 CreateTime: 1561597044934 size: 1237 magic: 2 compresscodec: LZ4 crc: 3751986433 isvalid: true
......
# 查看详细信息
$ bin/kafka-dump-log.sh --files ../data_dir/kafka_1/test-topic-1/00000000000000000000.log --deep-iteration
Dumping ../data_dir/kafka_1/test-topic-1/00000000000000000000.log
Starting offset: 0
baseOffset: 0 lastOffset: 14 count: 15 baseSequence: -1 lastSequence: -1 producerId: -1 producerEpoch: -1 partitionLeaderEpoch: 0 isTransactional: false isControl: false position: 0 CreateTime: 1561597044933 size: 1237 magic: 2 compresscodec: LZ4 crc: 646766737 isvalid: true
| offset: 0 CreateTime: 1561597044911 keysize: -1 valuesize: 1024 sequence: -1 headerKeys: []
......
| offset: 14 CreateTime: 1561597044933 keysize: -1 valuesize: 1024 sequence: -1 headerKeys: []
baseOffset: 15 lastOffset: 29 count: 15 baseSequence: -1 lastSequence: -1 producerId: -1 producerEpoch: -1 partitionLeaderEpoch: 0 isTransactional: false isControl: false position: 1237 CreateTime: 1561597044934 size: 1237 magic: 2 compresscodec: LZ4 crc: 3751986433 isvalid: true
......
查看消费者组位移
bin/kafka-consumer-groups.sh --bootstrap-server kafka-host:port --describe--group test-group