我在三个docker容器中运行elasticsearch集群,docker-compose.yml如下所示。
当我运行其中任何两个时,可以设置群集哪个状态为绿色,但是当我启动第三个群集时,群集中的一个节点被强制关闭(docker容器退出)并且没有错误消息登录关闭弹性搜索节点。
节点1 docker-compose.yml:
version: '2'
services:
elasticsearch:
image: docker.elastic.co/elasticsearch/elasticsearch:5.4.1
container_name: elasticsearch1
environment:
- cluster.name=MoquiElasticSearch
- bootstrap.memory_lock=true
- discovery.zen.minimum_master_nodes=2
- xpack.security.enabled=false
- transport.publish_host=192.168.2.101
- http.publish_host=192.168.2.101
- discovery.zen.ping.unicast.hosts=192.168.2.101:9301,192.168.2.101:9302
- "ES_JAVA_OPTS=-Xms512m -Xmx512m"
- TZ=Asia/Shanghai
ulimits:
memlock:
soft: -1
hard: -1
mem_limit: 1g
ports:
- 9200:9200
- 9300:9300
node 2 docker-compose.yml
version: '2'
services:
elasticsearch:
image: docker.elastic.co/elasticsearch/elasticsearch:5.4.1
container_name: elasticsearch2
environment:
- cluster.name=MoquiElasticSearch
- bootstrap.memory_lock=true
- discovery.zen.minimum_master_nodes=2
- xpack.security.enabled=false
- transport.publish_host=192.168.2.101
- transport.publish_port=9301
- transport.tcp.port=9301
- http.publish_host=192.168.2.101
- http.publish_port=9201
- http.port=9201
- discovery.zen.ping.unicast.hosts=192.168.2.101:9300,192.168.2.101:9302
- "ES_JAVA_OPTS=-Xms512m -Xmx512m"
- TZ=Asia/Shanghai
ulimits:
memlock:
soft: -1
hard: -1
mem_limit: 1g
ports:
- 9201:9201
- 9301:9301
node 3 docker-compose.yml
version: '2'
services:
elasticsearch:
image: docker.elastic.co/elasticsearch/elasticsearch:5.4.1
container_name: elasticsearch3
environment:
- cluster.name=MoquiElasticSearch
- bootstrap.memory_lock=true
- discovery.zen.minimum_master_nodes=2
- xpack.security.enabled=false
- transport.publish_host=192.168.2.101
- transport.publish_port=9302
- transport.tcp.port=9302
- http.publish_host=192.168.2.101
- http.publish_port=9202
- http.port=9202
- discovery.zen.ping.unicast.hosts=192.168.2.101:9300,192.168.2.101:9301
- "ES_JAVA_OPTS=-Xms512m -Xmx512m"
- TZ=Asia/Shanghai
ulimits:
memlock:
soft: -1
hard: -1
mem_limit: 1g
ports:
- 9202:9202
- 9302:9302
答案 0 :(得分:1)
这是由Mac上的docker引起的,它有内存限制(2.5G),因此它无法承受3个节点,因此其中一个节点被迫关闭。
将专用内存增加到docker引擎后,所有3个节点都启动并运行,elasticsearch集群为GREEN