泉云涡轮空流

Question

我有一个spring云应用程序充当涡轮服务器和Hystrix仪表盘。它有一个Eureka客户端，仪表板出现了，可以看到一个单独的Hystrix流，但我没有得到任何涡轮流。

这是application.yml：

eureka:
  client:
    serviceUrl:
      defaultZone: ${vcap.services.eureka-service.credentials.uri:http://10.12.2.99:8761}/eureka/

turbine:
  aggregator:
    clusterConfig: ITEMS-SERVICE
  appConfig: items-service

如果我在Turbin/Dashboard应用程序启动时查看日志，它会发现我的Hystrix服务正常：

2015-03-10 14:45:35.256  INFO 1383 --- [        Timer-0] o.s.c.n.turbine.EurekaInstanceDiscovery  : Fetching instance list for apps: [items-service]
2015-03-10 14:45:35.257  INFO 1383 --- [        Timer-0] o.s.c.n.turbine.EurekaInstanceDiscovery  : Fetching instances for app: items-service
2015-03-10 14:45:35.257  INFO 1383 --- [        Timer-0] o.s.c.n.turbine.EurekaInstanceDiscovery  : Received instance list for app: items-service, size=2
2015-03-10 14:45:35.264  INFO 1383 --- [        Timer-0] c.n.t.discovery.InstanceObservable       : Retrieved hosts from InstanceDiscovery: 2
2015-03-10 14:45:35.265  INFO 1383 --- [        Timer-0] c.n.t.discovery.InstanceObservable       : Found hosts that have been previously terminated: 0
2015-03-10 14:45:35.265  INFO 1383 --- [        Timer-0] c.n.t.discovery.InstanceObservable       : Hosts up:2, hosts down: 0
2015-03-10 14:45:35.270  INFO 1383 --- [        Timer-0] c.n.t.monitor.instance.InstanceMonitor   : Url for host: http://nf-app1:8080/hystrix.stream ITEMS-SERVICE
2015-03-10 14:45:35.270  INFO 1383 --- [        Timer-0] c.n.t.handler.TurbineDataDispatcher      : 
Just added and starting handler tuple: ITEMS-SERVICE_agg_aggClusterEventHandler
2015-03-10 14:45:35.271  INFO 1383 --- [        Timer-0] c.n.turbine.data.AggDataFromCluster      : Per handler dispacher started for: ITEMS-SERVICE_agg_aggClusterEventHandler
2015-03-10 14:45:35.273  INFO 1383 --- [        Timer-0] c.n.t.monitor.instance.InstanceMonitor   : Url for host: http://nf-app2:8080/hystrix.stream ITEMS-SERVICE

如果我撞上涡轮流

http://localhost:8080/turbine.stream?cluster=ITEMS-SERVICE

我得到：

: ping
data: {"timestamp":1426018670641,"name":"meta","reportingHostsLast10Seconds":0,"type":"meta"}

: ping
data:     {"timestamp":1426018673643,"name":"meta","reportingHostsLast10Seconds":0,"type":"meta"}

: ping
data: {"timestamp":1426018676645,"name":"meta","reportingHostsLast10Seconds":0,"type":"meta"}

2015-03-10 14:48:33.804  INFO 1383 --- [nio-8080-exec-1] c.n.t.s.servlet.TurbineStreamServlet     : FilterCriteria: []
2015-03-10 14:48:33.804  INFO 1383 --- [nio-8080-exec-1] c.n.t.s.servlet.TurbineStreamServlet     : StatsType filters: []
2015-03-10 14:48:33.808  INFO 1383 --- [nio-8080-exec-1] c.n.t.s.TurbineStreamingConnection       : Relevance config: []
2015-03-10 14:48:33.808  INFO 1383 --- [nio-8080-exec-1] c.n.t.s.TurbineStreamingConnection       : Relevance metrics config: {}
2015-03-10 14:48:33.809  INFO 1383 --- [nio-8080-exec-1] c.n.t.monitor.cluster.ClusterMonitor     : Registering event handler for cluster monitor: StreamingHandler_f1b7fc33-d0ed-4206-9976-fd4b2347bdd5
2015-03-10 14:48:33.809  INFO 1383 --- [nio-8080-exec-1] c.n.t.handler.TurbineDataDispatcher      : 

Just added and starting handler tuple: StreamingHandler_f1b7fc33-d0ed-4206-9976-fd4b2347bdd5
2015-03-10 14:48:33.809  INFO 1383 --- [nio-8080-exec-1] c.n.turbine.data.AggDataFromCluster      : Per handler dispacher started for: StreamingHandler_f1b7fc33-d0ed-4206-9976-fd4b2347bdd5
2015-03-10 14:48:33.809  INFO 1383 --- [nio-8080-exec-1] c.n.t.monitor.cluster.ClusterMonitor     : All event handlers for cluster monitor: [StaticListener_For_Aggregator, StreamingHandler_f1b7fc33-d0ed-4206-9976-fd4b2347bdd5]
2015-03-10 14:48:33.809  INFO 1383 --- [nio-8080-exec-1] c.n.t.monitor.cluster.ClusterMonitor     : Starting up the cluster monitor for ITEMS-SERVICE_agg
2015-03-10 14:48:35.265  INFO 1383 --- [        Timer-0] o.s.c.n.turbine.EurekaInstanceDiscovery  : Fetching instance list for apps: [items-service]
2015-03-10 14:48:35.266  INFO 1383 --- [        Timer-0] o.s.c.n.turbine.EurekaInstanceDiscovery  : Fetching instances for app: items-service
2015-03-10 14:48:35.266  INFO 1383 --- [        Timer-0] o.s.c.n.turbine.EurekaInstanceDiscovery  : Received instance list for app: items-service, size=2
2015-03-10 14:48:35.266  INFO 1383 --- [        Timer-0] c.n.t.discovery.InstanceObservable       : Retrieved hosts from InstanceDiscovery: 2
2015-03-10 14:48:35.266  INFO 1383 --- [        Timer-0] c.n.t.discovery.InstanceObservable       : Found hosts that have been previously terminated: 0
2015-03-10 14:48:35.267  INFO 1383 --- [        Timer-0] c.n.t.discovery.InstanceObservable       : Hosts up:2, hosts down: 0

看起来涡轮程序发现了两个项目-通过Eureka的服务和他们的Hystrix streamendpoint是有效的和工作的，所以我不知道为什么涡轮流是空的。

Answer 1

问题是涡轮运行的机器与Hysterix服务运行的机器没有时间同步。这个关于另一个Turbine问题的答案表明Turbine默认情况下会忽略“旧”事件。我尝试在application.yml中禁用turbine.instanceMonitor.eventstream.skiplineLogic，结果一切都开始工作了。