How many workers do you have in your topology?

Andy Feng

Sent from my iPhone

> On Mar 4, 2014, at 5:21 AM, "李家宏" <[email protected]> wrote:
> 
> hi, all
> 
> When I submit a topology to a storm cluster of 0.9.0.1, the following error
> occurs:
> ----------------------------------------------------------------------------------------------------------------------
> [INFO] Starting
>   2014-03-04 20:24:13 o.a.z.ZooKeeper [INFO] Initiating client connection,
>   
> connectString=10.207.52.82:2181,10.207.52.83:2181,10.207.52.84:2181sessionTimeout=20000
>   watcher=com.netflix.curator.ConnectionState@796cefa8
>   2014-03-04 20:24:13 o.a.z.ClientCnxn [INFO] Opening socket connection to
> server /10.207.52.83:2181
>   2014-03-04 20:24:13 o.a.z.ClientCnxn [INFO] Socket connection
> established to
>   storm010207052083.cm3.tbsite.net/10.207.52.83:2181, initiating session
>   2014-03-04 20:24:13 o.a.z.ClientCnxn [INFO] Session establishment
> complete on server
>   storm010207052083.cm3.tbsite.net/10.207.52.83:2181, sessionid =
> 0x2423f964207c973, negotiated timeout = 20000
>   2014-03-04 20:24:13 b.s.zookeeper [INFO] Zookeeper state update:
> :connected:none
>   2014-03-04 20:24:13 o.a.z.ZooKeeper [INFO] Session: 0x2423f964207c973
> closed
>   2014-03-04 20:24:13 o.a.z.ClientCnxn [INFO] EventThread shut down
>   2014-03-04 20:24:13 c.n.c.f.i.CuratorFrameworkImpl [INFO] Starting
>   2014-03-04 20:24:13 o.a.z.ZooKeeper [INFO] Initiating client connection,
>   connectString=10.207.52.82:2181,10.207.52.83:2181,
> 10.207.52.84:2181/tmp/storm-0.9.0.1 sessionTimeout=20000
>   watcher=com.netflix.curator.ConnectionState@58f41393
>   2014-03-04 20:24:13 o.a.z.ClientCnxn [INFO] Opening socket connection to
> server /10.207.52.82:2181
>   2014-03-04 20:24:13 o.a.z.ClientCnxn [INFO] Socket connection
> established to
>   storm010207052082.cm3.tbsite.net/10.207.52.82:2181, initiating session
>   2014-03-04 20:24:13 o.a.z.ClientCnxn [INFO] Session establishment
> complete on server
>   storm010207052082.cm3.tbsite.net/10.207.52.82:2181, sessionid =
> 0x1423f964209c65f, negotiated timeout = 20000
>   2014-03-04 20:24:14 b.s.m.TransportFactory [INFO] Storm peer transport
> plugin:backtype.storm.messaging.netty.Context
>   2014-03-04 20:24:14 b.s.m.n.Client [INFO] Reconnect ... [1]
>   2014-03-04 20:24:14 b.s.m.n.Client [INFO] Reconnect ... [1]
>   2014-03-04 20:24:14 b.s.m.n.Client [INFO] Reconnect ... [1]
>   2014-03-04 20:24:14 b.s.m.n.Client [INFO] Reconnect ... [1]
>   2014-03-04 20:24:14 b.s.m.n.Client [INFO] Reconnect ... [1]
>   2014-03-04 20:24:14 b.s.m.n.Client [INFO] Reconnect ... [1]
>   2014-03-04 20:24:14 b.s.m.n.Client [INFO] Reconnect ... [1]
>   2014-03-04 20:24:14 b.s.m.n.Client [INFO] Reconnect ... [2]
>   2014-03-04 20:24:14 b.s.m.n.Client [INFO] Reconnect ... [1]
>   2014-03-04 20:24:14 b.s.m.n.Client [INFO] Reconnect ... [1]
>   2014-03-04 20:24:14 b.s.m.n.Client [INFO] Reconnect ... [1]
>   2014-03-04 20:24:14 b.s.d.worker [ERROR] Error on initialization of
> server mk-worker
>   org.jboss.netty.channel.ChannelException: Failed to create a selector.
>   at
> org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:337)
>   ~[netty-3.6.3.Final.jar:na]
>   at
> org.jboss.netty.channel.socket.nio.AbstractNioSelector.(AbstractNioSelector.java:95)
> ~[netty-3.6.3.Final.jar:na]
>   at
> org.jboss.netty.channel.socket.nio.AbstractNioWorker.(AbstractNioWorker.java:51)
> ~[netty-3.6.3.Final.jar:na]
>   at org.jboss.netty.channel.socket.nio.NioWorker.(NioWorker.java:45)
> ~[netty-3.6.3.Final.jar:na]
>   at
> org.jboss.netty.channel.socket.nio.NioWorkerPool.createWorker(NioWorkerPool.java:45)
> ~[netty-3.6.3.Final.jar:na]
>   at
> org.jboss.netty.channel.socket.nio.NioWorkerPool.createWorker(NioWorkerPool.java:28)
> ~[netty-3.6.3.Final.jar:na]
>   at
> org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.newWorker(AbstractNioWorkerPool.java:99)
>   ~[netty-3.6.3.Final.jar:na]
>   at
> org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.init(AbstractNioWorkerPool.java:69)
>   ~[netty-3.6.3.Final.jar:na]
>   at
> org.jboss.netty.channel.socket.nio.NioWorkerPool.(NioWorkerPool.java:39)
> ~[netty-3.6.3.Final.jar:na]
>   at
> org.jboss.netty.channel.socket.nio.NioWorkerPool.(NioWorkerPool.java:33)
> ~[netty-3.6.3.Final.jar:na]
>   at
> org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory.(NioClientSocketChannelFactory.java:152)
>   ~[netty-3.6.3.Final.jar:na]
>   at
> org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory.(NioClientSocketChannelFactory.java:134)
>   ~[netty-3.6.3.Final.jar:na]
>   at backtype.storm.messaging.netty.Client.(Client.java:54)
> ~[storm-netty-0.9.0.1.jar:na]
>   at backtype.storm.messaging.netty.Context.connect(Context.java:36)
> ~[storm-netty-0.9.0.1.jar:na]
>   at
> backtype.storm.daemon.worker$mk_refresh_connections$this__5827$iter__5834__5838$fn__5839.invoke(worker.clj:250)
>   ~[storm-core-0.9.0.1.jar:na]
>   at clojure.lang.LazySeq.sval(LazySeq.java:42) ~[clojure-1.4.0.jar:na]
>   at clojure.lang.LazySeq.seq(LazySeq.java:60) ~[clojure-1.4.0.jar:na]
>   at clojure.lang.Cons.next(Cons.java:39) ~[clojure-1.4.0.jar:na]
>   at clojure.lang.RT.next(RT.java:587) ~[clojure-1.4.0.jar:na]
>   at clojure.core$next.invoke(core.clj:64) ~[clojure-1.4.0.jar:na]
>   at clojure.core$dorun.invoke(core.clj:2726) ~[clojure-1.4.0.jar:na]
>   at clojure.core$doall.invoke(core.clj:2741) ~[clojure-1.4.0.jar:na]
>   at
> backtype.storm.daemon.worker$mk_refresh_connections$this__5827.invoke(worker.clj:244)
> ~[storm-core-0.9.0.1.jar:na]
>   at
> backtype.storm.daemon.worker$fn__5882$exec_fn__1229__auto____5883.invoke(worker.clj:357)
>   ~[storm-core-0.9.0.1.jar:na]
>   at clojure.lang.AFn.applyToHelper(AFn.java:185) [clojure-1.4.0.jar:na]
>   at clojure.lang.AFn.applyTo(AFn.java:151) [clojure-1.4.0.jar:na]
>   at clojure.core$apply.invoke(core.clj:601) ~[clojure-1.4.0.jar:na]
>   at
> backtype.storm.daemon.worker$fn__5882$mk_worker__5938.doInvoke(worker.clj:329)
> [storm-core-0.9.0.1.jar:na]
>   at clojure.lang.RestFn.invoke(RestFn.java:512) [clojure-1.4.0.jar:na]
>   at backtype.storm.daemon.worker$_main.invoke(worker.clj:439)
> [storm-core-0.9.0.1.jar:na]
>   at clojure.lang.AFn.applyToHelper(AFn.java:172) [clojure-1.4.0.jar:na]
>   at clojure.lang.AFn.applyTo(AFn.java:151) [clojure-1.4.0.jar:na]
>   at backtype.storm.daemon.worker.main(Unknown Source)
> [storm-core-0.9.0.1.jar:na]
>   Caused by: java.io.IOException: Too many open files
>   at sun.nio.ch.IOUtil.initPipe(Native Method) ~[na:1.6.0_38]
>   at sun.nio.ch.EPollSelectorImpl.(EPollSelectorImpl.java:49)
> ~[na:1.6.0_38]
>   at
> sun.nio.ch.EPollSelectorProvider.openSelector(EPollSelectorProvider.java:18)
> ~[na:1.6.0_38]
>   at java.nio.channels.Selector.open(Selector.java:209) ~[na:1.6.0_38]
>   at
> org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:335)
>   ~[netty-3.6.3.Final.jar:na]
>   ... 32 common frames omitted
>   2014-03-04 20:24:14 b.s.util [INFO] Halting process: ("Error on
> initialization")
> --------------------------------------------------------------------------------------------------------------------
> 
> This topology works fine with storm cluster of 0.8.0.
> And:
>    ulimit -n => 131072;
>    sudo losf | grep java | wc -l => 5000
> it seems like opened fds do not reaching limits
> 
> What's the problem ?
> 
> Regards
> 
> -- 
> 
> ======================================================
> 
> Gvain
> 
> Email: [email protected]

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