[英]Confluent Control Center shutting down periodically with "exit 1"
Confluent Kafka 实例正在我的 Debian 9 服务器上通过 docker-compose 运行。 我按照本教程来启动并运行它。 但是,控制中心会定期关闭。
sudo docker-compose ps
给出以下输出:
control-center /etc/confluent/docker/run Exit 1
其余的 Confluent 服务保持正常运行。
检查 docker 日志( sudo docker-compose logs
)时,我可以看到它正在发送以下错误:
control-center | INFO [Consumer clientId=_confluent-controlcenter-5-3-0-1-9de26cca-62ca-42d6-9d46-86731fc8109a-StreamThread-5-restore-consumer, groupId=null] Unsubscribed all topics or patterns and assigned partitions (org.apache.kafka.clients.consumer.KafkaConsumer)
编辑:发现了更多日志:
control-center | [2019-08-30 23:10:02,304] INFO [Consumer clientId=_confluent-controlcenter-5-3-0-1-39ae65e2-457c-4696-b592-504fe320038e-StreamThread-3-consumer, groupId=_confluent-controlcenter-5-3-0-1] Group coordinator broker:29092 (id: 2147483646 rack: null) is unavailable or invalid, will attempt rediscovery
control-center | [2019-08-30 22:38:39,291] INFO [Consumer clientId=_confluent-controlcenter-5-3-0-1-39ae65e2-457c-4696-b592-504fe320038e-StreamThread-8-consumer, groupId=_confluent-controlcenter-5-3-0-1] Attempt to heartbeat failed since group is rebalancing (org.apache.kafka.clients.consumer.internals.AbstractCoordinator)
编辑 2 :docker 容器可用的内存:
NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS
ksql-datagen 0.00% 3.312MiB / 7.792GiB 0.04% 18.2kB / 2.11kB 92.8MB / 65.5kB 1
control-center 0.00% 0B / 0B 0.00% 0B / 0B 0B / 0B 0
ksql-cli 0.00% 484KiB / 7.792GiB 0.01% 19.6kB / 0B 41kB / 0B 1
ksql-server 0.36% 136MiB / 7.792GiB 1.70% 39.8MB / 34.5MB 210MB / 147kB 30
rest-proxy 0.12% 107.2MiB / 7.792GiB 1.34% 22.2kB / 2.41kB 72.6MB / 81.9kB 28
connect 0.60% 1.571GiB / 7.792GiB 20.16% 124MB / 110MB 1.04GB / 81.9kB 36
schema-registry 0.20% 176.8MiB / 7.792GiB 2.22% 40.2MB / 38.4MB 93.7MB / 156kB 32
broker 7.59% 621MiB / 7.792GiB 7.78% 573MB / 791MB 171MB / 335MB 73
zookeeper 0.10% 80.9MiB / 7.792GiB 1.01% 9.56MB / 8.99MB 38.4MB / 410kB 21
系统内存(命令: free
):
total used free shared buff/cache available
Mem: 8366596096 6770286592 160227328 219533312 1436082176 1099268096
Swap: 34356588544 2301014016 32055574528
任何想法如何解决这一问题?
当分配的内存非常少时会出现此错误。 如果您使用的是 Docker Desktop,则增加内存。 转到 Docker Desktop->Dashboard->Settings->Preferences->Resources->Advanced 并增加内存,您将全部设置。
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