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Date: Sun, 27 Oct 2013 14:32:38 -0700
Message-ID: 
 <CAA_-67cv4F6yBW3KAZiQFaaShxFF3-PjB2bjvbBY6MvoU4BTeg@mail.gmail.com>
Subject: Re: Distributed mode troubles: ZK/Curator connection time out
From: Steven Phillips <sphillips@maprtech.com>
To: drill-dev@incubator.apache.org
Cc: Apache Drill User <drill-user@incubator.apache.org>
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One thing to add to the diagram is that all of the drill java processes
will look at what is in drill-override.conf. You must set zk.connect to the
correct zk host:port.


On Sun, Oct 27, 2013 at 2:00 PM, Michael Hausenblas <
michael.hausenblas@gmail.com> wrote:

>
> Folks,
>
> I=92m trying to set up Drill in distributed mode. Here=92s what I have so=
 far:
> when I launch the first Drillbit with bin/drillbit.sh I get the following
> in log/drillbit.out:
>
> [[
> 20:47:20.963 [main] ERROR com.netflix.curator.ConnectionState - Connectio=
n
> timed out for connection string (localhost:2181) and timeout (5000) /
> elapsed (5045)
> org.apache.zookeeper.KeeperException$ConnectionLossException:
> KeeperErrorCode =3D ConnectionLoss
>         at
> com.netflix.curator.ConnectionState.getZooKeeper(ConnectionState.java:94)
> ~[curator-client-1.1.9.jar:na]
>         at
> com.netflix.curator.CuratorZookeeperClient.getZooKeeper(CuratorZookeeperC=
lient.java:106)
> [curator-client-1.1.9.jar:na]
>         at
> com.netflix.curator.framework.imps.CuratorFrameworkImpl.getZooKeeper(Cura=
torFrameworkImpl.java:393)
> [curator-framework-1.1.9.jar:na]
>         at
> com.netflix.curator.framework.imps.GetChildrenBuilderImpl$3.call(GetChild=
renBuilderImpl.java:184)
> [curator-framework-1.1.9.jar:na]
>         at
> com.netflix.curator.framework.imps.GetChildrenBuilderImpl$3.call(GetChild=
renBuilderImpl.java:173)
> [curator-framework-1.1.9.jar:na]
>         at com.netflix.curator.RetryLoop.callWithRetry(RetryLoop.java:85)
> [curator-client-1.1.9.jar:na]
>         at
> com.netflix.curator.framework.imps.GetChildrenBuilderImpl.pathInForegroun=
d(GetChildrenBuilderImpl.java:169)
> [curator-framework-1.1.9.jar:na]
>         at
> com.netflix.curator.framework.imps.GetChildrenBuilderImpl.forPath(GetChil=
drenBuilderImpl.java:161)
> [curator-framework-1.1.9.jar:na]
>         at
> com.netflix.curator.framework.imps.GetChildrenBuilderImpl.forPath(GetChil=
drenBuilderImpl.java:36)
> [curator-framework-1.1.9.jar:na]
>         at
> com.netflix.curator.x.discovery.details.ServiceDiscoveryImpl.getChildrenW=
atched(ServiceDiscoveryImpl.java:306)
> [curator-x-discovery-1.1.9.jar:na]
>         at
> com.netflix.curator.x.discovery.details.ServiceDiscoveryImpl.queryForInst=
ances(ServiceDiscoveryImpl.java:276)
> [curator-x-discovery-1.1.9.jar:na]
>         at
> com.netflix.curator.x.discovery.details.ServiceCache.refresh(ServiceCache=
.java:193)
> [curator-x-discovery-1.1.9.jar:na]
>         at
> com.netflix.curator.x.discovery.details.ServiceCache.start(ServiceCache.j=
ava:116)
> [curator-x-discovery-1.1.9.jar:na]
>         at
> org.apache.drill.exec.coord.ZKClusterCoordinator.start(ZKClusterCoordinat=
or.java:89)
> [java-exec-1.0.0-m1-rebuffed.jar:1.0.0-m1]
>         at org.apache.drill.exec.server.Drillbit.run(Drillbit.java:94)
> [java-exec-1.0.0-m1-rebuffed.jar:1.0.0-m1]
>         at org.apache.drill.exec.server.Drillbit.start(Drillbit.java:56)
> [java-exec-1.0.0-m1-rebuffed.jar:1.0.0-m1]
>         at org.apache.drill.exec.server.Drillbit.start(Drillbit.java:43)
> [java-exec-1.0.0-m1-rebuffed.jar:1.0.0-m1]
>         at org.apache.drill.exec.server.Drillbit.main(Drillbit.java:65)
> [java-exec-1.0.0-m1-rebuffed.jar:1.0.0-m1]
> ]]
>
> This seems to be a known issue? See
> http://stackoverflow.com/questions/16056751/curator-zookeeper-client-keep=
s-throw-out-connectionlossexception-per-connection
>
> Any ideas? Did anyone actually run Drill in distributed mode already and
> if so, how did you overcome the above issue?
>
> What is next? How do I make other Drillbits point to the same ZK cluster?
> And has anyone an example of the call parameters for bin/submit_plan mayb=
e
> as well?
>
>
> BTW, in the process of trying to figure what=92s going on behind the scen=
e I
> traced down the startup call dependencies (scripts), available via:
>
>
> https://docs.google.com/drawings/d/1-ADIGJ-lBr-dOrOjMpQlProiZjYjjuM0kR6A8=
1BYwKA/edit?usp=3Dsharing
>
> which we could then also use for documentation purposes.
>
>
> Cheers,
>                 Michael
>
> --
> Michael Hausenblas
> Ireland, Europe
> http://mhausenblas.info/
>
>

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