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Kafka数据缓存
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==步骤== 1.创建Kafka主题 2.创建Kafka消费者 3.通过Flume数据采集到Kafka ==操作步骤== ===启动zookeeper和kafka=== master,slave1,slave2 参考:[[Kafka——集群安裝部署(自带Zookeeper)]] ===创建Kafka主题=== master节点: <nowiki>在此插入非格式文本</nowiki> [root@master kafka_2.11-2.3.1]# bin/kafka-topics.sh -create --zookeeper 192.168.128.130:2181 -replication-factor 1 --partitions 1 --topic shop Created topic shop. [root@master kafka_2.11-2.3.1]# bin/kafka-topics.sh --list --zookeeper 192.168.128.130:2181 <nowiki>__consumer_offsets shop test</nowiki> ===创建消费者=== slave1 节点: [root@slave1 ~]# cd /usr/local/kafka_2.11-2.3.1/ [root@slave1 kafka_2.11-2.3.1]# bin/kafka-console-consumer.sh --bootstrap-server 192.168.128.131:9092 --topic shop --from-beginning ===创建定时任务=== 创建定时任务,定时生成数据 crontab -e <nowiki>* * * * * python /opt/data.py /opt/flinkproject/$(date +"\%Y-\%m-\%d-\%H-\%M-\%S").log 1000</nowiki> ===开启Flume数据采集到Kafka=== master节点: /usr/local/flume/bin/flume-ng agent -c /usr/local/flume/conf/ -f /usr/local/flume/conf/spool-memory-kafka.conf -n client -Dflume.root.logger=INFO,console <nowiki>Info: Sourcing environment configuration script /usr/local/flume/conf/flume-env.sh Info: Including Hadoop libraries found via (/usr/local/hadoop-2.6.5/bin/hadoop) for HDFS access Info: Including HBASE libraries found via (/usr/local/hbase-1.3.6/bin/hbase) for HBASE access Info: Including Hive libraries found via (/usr/local/apache-hive-1.2.1-bin) for Hive access ...</nowiki> ===在Kafka消费者端查看=== slave1 节点: [root@slave1 kafka_2.11-2.3.1]# bin/kafka-console-consumer.sh --bootstrap-server 192.168.128.131:9092 --topic shop --from-beginning <nowiki>951595538181,Lrjbe,18,man,650012,218.58,313015,scan,13938126759,mOdhYpNBjS@126.com,2019-08-01 041595538181,Htnlr,48,woman,430031,191.20,313015,pv,15019460573,FwQiachIBs@huawei.com,2019-08-01 541595538181,Ytsow,54,woman,430031,617.12,313013,buy,18648305921,NdJwnsbZfc@gmail.com,2019-08-03 261595538181,Mefuv,26,man,152121,675.57,313017,scan,14798316570,jeGETmJozh@gmail.com,2019-08-04 291595538181,Ukosa,25,woman,220902,618.96,313013,fav,13467840315,rlbwhmkAsT@163.com,2019-08-04 831595538181,Etsxc,28,man,230121,994.51,313015,fav,15078310469,VMZhFmAWBq@huawei.com,2019-08-06 941595538181,Swmrx,30,woman,230121,659.97,313017,scan,15256218374,cgTIRywUDG@huawei.com,2019-08-03 551595538181,Vgyrs,51,woman,250983,121.45,313016,cart,15980167923,IeobPAmzsQ@126.com,2019-08-03 841595538181,Ksoab,30,woman,430031,274.40,313015,cart,18873845162,xhJOXmneKv@gmail.com,2019-08-01</nowiki>
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