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打开manager1服务器 shell
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设置服务的期望容量 命令:
docker service scale <SERVICE-ID>=<NUMBER-OF-TASKS>
$ docker service scale helloworld=5 helloworld scaled to 5
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查看服务运行节点 命令:
docker service ps <SERVICE-ID>
$ docker service ps helloworld ID NAME IMAGE NODE DESIRED STATE CURRENT STATE ERROR PORTS i55lyst49m5t helloworld.1 alpine:latest ubuntu-1604-001 Running Running 23 minutes ago b1h5uai64w51 \_ helloworld.1 alpine:latest ubuntu-1604-003 Shutdown Failed 23 minutes ago "task: non-zero exit (1)" f3422ekz2d76 helloworld.2 alpine:latest ubuntu-1604-002 Running Running about a minute ago dnktr3xxmrvh helloworld.3 alpine:latest ubuntu-1604-001 Running Running 49 seconds ago nts8hr8wp4fx \_ helloworld.3 alpine:latest ubuntu-1604-003 Shutdown Failed 55 seconds ago "task: non-zero exit (1)" 63aybcfgcnh9 \_ helloworld.3 alpine:latest ubuntu-1604-003 Shutdown Failed about a minute ago "task: non-zero exit (1)" fwixq1p9kfv3 \_ helloworld.3 alpine:latest ubuntu-1604-003 Shutdown Failed about a minute ago "task: non-zero exit (1)" qpnexiadt8tc helloworld.4 alpine:latest ubuntu-1604-002 Running Running 49 seconds ago lkog48cvbcjw \_ helloworld.4 alpine:latest ubuntu-1604-003 Shutdown Failed 55 seconds ago "task: non-zero exit (1)" wvu8erzlpdjp \_ helloworld.4 alpine:latest ubuntu-1604-003 Shutdown Failed about a minute ago "task: non-zero exit (1)" gk4mh3c08a49 \_ helloworld.4 alpine:latest ubuntu-1604-003 Shutdown Failed about a minute ago "task: non-zero exit (1)" hw5ajb6n87sl helloworld.5 alpine:latest ubuntu-1604-001 Running Running about a minute ago
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查看容器运行详情 打开对应节点shell 命令:
docker ps
$ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES bd5005eb3609 alpine:latest "ping baidu.com" 2 minutes ago Up 2 minutes helloworld.3.dnktr3xxmrvhdt217vd3i9m1l 3c4924203012 alpine:latest "ping baidu.com" 3 minutes ago Up 3 minutes helloworld.5.hw5ajb6n87sljcxd0zcn7agjk 5d2d0a2d73c9 alpine:latest "ping baidu.com" 25 minutes ago Up 25 minutes helloworld.1.i55lyst49m5tsca49qicalc3m
Docker Swarm 入门示例5: 缩放服务
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转载自my.oschina.net/u/915811/blog/1593850
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