flink分布式高可用集群部署

一、部署规划

1.1 版本说明

软硬件信息	参数
配置	2C2G
操作系统版本	CentOS Linux release 7.7.1908 (Core)
java版本	java version “1.8.0_251”
Hadoop版本	Hadoop 3.3.0
flink版本	flink 1.11.1

1.2 服务器规划

服务器	IP	角色
node1	192.168.137.86	zk、namenode、zkfc、datanode、nodemanager、journalnode、StandaloneSessionClusterEntrypoint、TaskManagerRunner
node2	192.168.137.87	zk、namenode、zkfc、datanode、nodemanager、resourcemanager、journalnode、StandaloneSessionClusterEntrypoint、TaskManagerRunner
node3	192.168.137.88	zk、datanode、nodemanager、resourcemanager、journalnode、StandaloneSessionClusterEntrypoint、TaskManagerRunner

二、flink部署

2.1 解压安装包并配置环境变量

tar xf flink-1.11.1-bin-scala_2.12.tgz -C /usr/local/
mv /usr/local/flink-1.11.1/ /usr/local/flink
chown -R hadoop.hadoop /usr/local/flink/
cat>>/etc/profile <

2.2 修改核心配置文件

[hadoop@node1 conf]$ cd /usr/local/flink/conf/

2.2.1 配置 flink-conf.yaml

jobmanager.rpc.address: node1
jobmanager.rpc.port: 6123
jobmanager.heap.size: 1024m
taskmanager.heap.size: 1024m
taskmanager.numberOfTaskSlots: 3
parallelism.default: 1
fs.default-scheme:hdfs:///flink/
high-availability: zookeeper
high-availability.storageDir: hdfs:///flink/ha/
high-availability.zookeeper.quorum: node1:2181,node2:2181,node3:2181
state.checkpoints.dir: hdfs:///flink-checkpoints
state.savepoints.dir: hdfs:///flink-checkpoints
state.backend.incremental: ture
jobmanager.execution.failover-strategy: region

2.2.2 配置 masters、workers

[hadoop@node1 conf]$ cat masters
node1:8081
node2:8081
node3:8081

[hadoop@node1 conf]$ cat workers
node1
node2
node3

2.2.3 将flink jar包拷贝至lib

[hadoop@node1 lib]$ ll /usr/local/flink/lib/flink-shaded-hadoop-2-uber-2.8.3-10.0.jar
-rw-r--r-- 1 hadoop hadoop 43317025 7月  29 13:59 /usr/local/flink/lib/flink-shaded-hadoop-2-uber-2.8.3-10.0.jar

2.2.4 将安装包分发给其他节点

scp -r /usr/loca/flink/* node2:/usr/local/flink
scp -r /usr/loca/flink/* node3:/usr/local/flink

2.3 启动flink

[hadoop@node1 conf]$ start-cluster.sh
Starting HA cluster with 3 masters.
Starting standalonesession daemon on host node1.
Starting standalonesession daemon on host node2.
Starting standalonesession daemon on host node3.
Starting taskexecutor daemon on host node1.
Starting taskexecutor daemon on host node2.
Starting taskexecutor daemon on host node3.