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使用 Ubuntu 12.04 我正在尝试设置 LAN 集群。细节：

控制器配置

# Configuration file for ipcontroller.

c = get_config()
c.IPControllerApp.reuse_files = True
c.IPControllerApp.engine_ssh_server = u'bar@bar1'
c.HubFactory.ip = '*'
c.HubFactory.db_class = 'NoDB'

集群配置

# Configuration file for ipcluster.

c = get_config()
c.IPClusterEngines.engine_launcher_class = 'SSH'
c.SSHEngineSetLauncher.engine_args = ['--profile-dir=~/.config/ipython/profile_foo']
c.SSHEngineSetLauncher.engines = {'foo@foo1' : 1, 'foo@foo2' : 1, 'foo@foo3' : 1, 'foo@foo4' : 1}

引擎配置

# Configuration file for ipengine.

c = get_config()
c.EngineFactory.timeout = 10

所以，然后运行

ipcluster start --profile=foo --debug

产生以下结果：

2013-09-03 19:43:45.772 [IPClusterStart] Process 'ssh' started: 5198
2013-09-03 19:43:45.773 [IPClusterStart] Process 'engine set' started: [None, None, None, None]
2013-09-03 19:43:47.086 [IPClusterStart] 2013-09-03 19:44:02.726 [IPEngineApp] Completed registration with id 0
2013-09-03 19:43:47.795 [IPClusterStart] 2013-09-03 19:43:53.737 [IPEngineApp] Completed registration with id 1
2013-09-03 19:43:48.561 [IPClusterStart] 2013-09-03 19:43:59.793 [IPEngineApp] Completed registration with id 2
2013-09-03 19:43:49.667 [IPClusterStart] 2013-09-03 19:44:03.859 [IPEngineApp] Completed registration with id 3
2013-09-03 19:44:15.773 [IPClusterStart] Engines appear to have started successfully

在我看来很好。但是当我尝试与客户建立联系时，我得到的引擎数量少于预期的数量。即使在一台远程机器上运行 1 或 2 个引擎也会发生这种情况

In [22]: rc=Client(profile='foo')

In [23]: rc.ids
Out[23]: [1, 2]

如果这是问题，我将超时设置得很高，但它仍然存在。

如果我单独运行ipcontroller，ipengines该过程会成功，但我真的更希望能够使用ipcluster.

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