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[英]How to manage Flink application when Kafka broker is unavailable?
[英]how to manage kafka broker by systemd?
我正在嘗試通過systemd來管理kafka經紀人。 這是一個單位文件:
[Unit]
Description=Kafka with broker id (%i)
After=network.target
After=zk.service
[Service]
Type=simple
SyslogIdentifier=kafka (%i)
WorkingDirectory=/opt/service/kafka_2.11-0.9.0.1
LimitNOFILE=16384:163840
ExecStart=/usr/bin/bash -c 'bin/kafka-server-start.sh /opt/service/units/kafka/%i.properties'
ExecStop=/usr/bin/bash -c 'bin/kafka-server-stop.sh /opt/service/units/kafka/%i.properties'
[Install]
WantedBy=multi-user.target
有了該文件,我可以通過命令systemctl --user start kafka@0.service
和systemctl --user start kafka@1.service
。
但是,當我嘗試通過systemctl --user stop kafka@0.service
殺死那些守護程序時,所有兩個守護程序都systemctl --user stop kafka@0.service
! 因此,為什么我不能只殺死一位經紀人?
像這樣:
[Unit]
Description=Kafka with broker id (%i)
After=network.target
After=zk.service
[Service]
Type=forking
SyslogIdentifier=kafka (%i)
Restart=on-failure
LimitNOFILE=16384:163840
ExecStart=/opt/service/kafka_2.11-0.9.0.1/bin/kafka-server-start.sh -daemon /opt/service/units/kafka/%i.properties
[Install]
WantedBy=multi-user.target
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