Kafka中怎么实现数据日志分离，很多新手对此不是很清楚，为了帮助大家解决这个难题，下面小编将为大家详细讲解，有这方面需求的人可以来学习下，希望你能有所收获。
1. 停止kafka集群
root@bluejay-PC:/# /usr/local/kafka/kafka01/bin/kafka-server-stop.sh root@bluejay-PC:/# /usr/local/kafka/kafka02/bin/kafka-server-stop.sh root@bluejay-PC:/# /usr/local/kafka/kafka03/bin/kafka-server-stop.sh
2. 删除kafka集群中每个服务的logs
root@bluejay-PC:/usr/local/kafka/kafka01/logs# rm -rf * root@bluejay-PC:/usr/local/kafka/kafka02/logs# rm -rf * root@bluejay-PC:/usr/local/kafka/kafka03/logs# rm -rf *
3.停止zookeeper集群的每个服务
root@bluejay-PC:/# /usr/local/zookeeper/zookeeper01/bin/zkServer.sh stop ZooKeeper JMX enabled by default Using config: /usr/local/zookeeper/zookeeper01/bin/../conf/zoo.cfg Stopping zookeeper ... STOPPED root@bluejay-PC:/# /usr/local/zookeeper/zookeeper02/bin/zkServer.sh stop ZooKeeper JMX enabled by default Using config: /usr/local/zookeeper/zookeeper02/bin/../conf/zoo.cfg Stopping zookeeper ... STOPPED root@bluejay-PC:/# /usr/local/zookeeper/zookeeper03/bin/zkServer.sh stop ZooKeeper JMX enabled by default Using config: /usr/local/zookeeper/zookeeper03/bin/../conf/zoo.cfg Stopping zookeeper ... STOPPED root@bluejay-PC:/#
4. 删除zookeeper中的data 中除myid的所有内容，和dataLog中所有内容
root@bluejay-PC:/# cd /usr/local/zookeeper/zookeeper01/data root@bluejay-PC:/usr/local/zookeeper/zookeeper01/data# ls myid version-2 root@bluejay-PC:/usr/local/zookeeper/zookeeper01/data# rm -rf version-2/ root@bluejay-PC:/usr/local/zookeeper/zookeeper01/data# root@bluejay-PC:/usr/local/zookeeper/zookeeper01/data# ls myid root@bluejay-PC:/usr/local/zookeeper/zookeeper01/data# cd /usr/local/zookeeper/zookeeper02/data root@bluejay-PC:/usr/local/zookeeper/zookeeper02/data# rm -rf version-2/ root@bluejay-PC:/usr/local/zookeeper/zookeeper02/data# ls myid root@bluejay-PC:/usr/local/zookeeper/zookeeper02/data# cd /usr/local/zookeeper/zookeeper03/data root@bluejay-PC:/usr/local/zookeeper/zookeeper03/data# rm -rf version-2/ root@bluejay-PC:/usr/local/zookeeper/zookeeper03/data# ls myid root@bluejay-PC:/usr/local/zookeeper/zookeeper03/data#
5. 重启zookeeper集群
root@bluejay-PC:/# /usr/local/zookeeper/zookeeper01/bin/zkServer.sh start ZooKeeper JMX enabled by default Using config: /usr/local/zookeeper/zookeeper01/bin/../conf/zoo.cfg Starting zookeeper ... STARTED root@bluejay-PC:/# /usr/local/zookeeper/zookeeper02/bin/zkServer.sh start ZooKeeper JMX enabled by default Using config: /usr/local/zookeeper/zookeeper02/bin/../conf/zoo.cfg Starting zookeeper ... STARTED root@bluejay-PC:/# /usr/local/zookeeper/zookeeper03/bin/zkServer.sh start ZooKeeper JMX enabled by default Using config: /usr/local/zookeeper/zookeeper03/bin/../conf/zoo.cfg Starting zookeeper ... STARTED
6. 重新配置每个kafka的配置文件
将log.dirs 配置到data目录
log.dirs=/usr/local/kafka/kafka03/data
7. 创建topic后查看 kafka 中的logs 和 data目录
/usr/local/kafka/kafka03/bin/kafka-topics.sh --create --zookeeper 127.0.0.1:2181,127.0.0.1:2182,127.0.0.1:2183 --replication-factor 1 --partitions 1 --topic first
root@bluejay-PC:/usr/local/kafka/kafka03/logs# ls -l 总用量 164 -rw-r--r-- 1 root staff 307 4月 4 15:05 controller.log -rw-r--r-- 1 root staff 0 4月 4 15:05 kafka-authorizer.log -rw-r--r-- 1 root staff 0 4月 4 15:05 kafka-request.log -rw-r--r-- 1 root staff 9955 4月 4 15:05 kafkaServer-gc.log.0.current -rw-r--r-- 1 root staff 67722 4月 4 15:07 kafkaServer.out -rw-r--r-- 1 root staff 172 4月 4 15:05 log-cleaner.log -rw-r--r-- 1 root staff 67722 4月 4 15:07 server.log -rw-r--r-- 1 root staff 5675 4月 4 15:07 state-change.log root@bluejay-PC:/usr/local/kafka/kafka03/logs# ls -l ../data 总用量 88 -rw-r--r-- 1 root staff 0 4月 4 15:05 cleaner-offset-checkpoint drwxr-sr-x 2 root staff 4096 4月 4 15:07 __consumer_offsets-0 drwxr-sr-x 2 root staff 4096 4月 4 15:07 __consumer_offsets-12 drwxr-sr-x 2 root staff 4096 4月 4 15:07 __consumer_offsets-15 drwxr-sr-x 2 root staff 4096 4月 4 15:07 __consumer_offsets-18 drwxr-sr-x 2 root staff 4096 4月 4 15:07 __consumer_offsets-21 drwxr-sr-x 2 root staff 4096 4月 4 15:07 __consumer_offsets-24 drwxr-sr-x 2 root staff 4096 4月 4 15:07 __consumer_offsets-27 drwxr-sr-x 2 root staff 4096 4月 4 15:07 __consumer_offsets-3 drwxr-sr-x 2 root staff 4096 4月 4 15:07 __consumer_offsets-30 drwxr-sr-x 2 root staff 4096 4月 4 15:07 __consumer_offsets-33 drwxr-sr-x 2 root staff 4096 4月 4 15:07 __consumer_offsets-36 drwxr-sr-x 2 root staff 4096 4月 4 15:07 __consumer_offsets-39 drwxr-sr-x 2 root staff 4096 4月 4 15:07 __consumer_offsets-42 drwxr-sr-x 2 root staff 4096 4月 4 15:07 __consumer_offsets-45 drwxr-sr-x 2 root staff 4096 4月 4 15:07 __consumer_offsets-48 drwxr-sr-x 2 root staff 4096 4月 4 15:07 __consumer_offsets-6 drwxr-sr-x 2 root staff 4096 4月 4 15:07 __consumer_offsets-9 drwxr-sr-x 2 root staff 4096 4月 4 15:07 first-0 -rw-r--r-- 1 root staff 4 4月 4 15:09 log-start-offset-checkpoint -rw-r--r-- 1 root staff 88 4月 4 15:05 meta.properties
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