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Date: Fri, 4 Jul 2014 09:51:00 +0400
Message-ID: 
 <CABtFS4dmg7NqzU0EXVM66=Odb79EdwmeRsSAUO8793heVUB_SQ@mail.gmail.com>
Subject: Re: storm crashes when one of the zookeeper server dies
From: Irek Khasyanov <quard8@gmail.com>
To: user <user@storm.incubator.apache.org>,
	=?UTF-8?B?7J207Iq57KeE?= <sweetest.sj@navercorp.com>
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Are you sure all zookeeper servers are in replication mode and can connect
each other?

Yesterday we added zookeeper cluster and checked what happens with storm
when one zookeeper fails. Everything was good, nothing happens with
topology.


On 4 July 2014 08:26, =EC=9D=B4=EC=8A=B9=EC=A7=84 <sweetest.sj@navercorp.co=
m> wrote:

> in storm.yaml, we listed 3 zookeeper servers
>
>
>
> storm.zookeeper.servers:
>
> -"host1"
>
> -"host2"
>
> -"host3"
>
>
>
> and host1 dies unexpectedly today morning,
>
>
>
> since then, not only I cannot connect to storm UI (TTransport exception)
> but also can't execute any of storm command.
>
>
>
> I was quite worried when this happened, because if it's what storm is
> supposed to be, one of the zookeeper server can be a SPOF.
>
>
>
> seems like it should be fixed ASAP
>
>
>
> Sincerly,
>


--=20
With best regards, Irek Khasyanov.

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<div dir=3D"ltr">Are you sure all zookeeper servers are in replication mode=
 and can connect each other?<div><br></div><div>Yesterday we added zookeepe=
r cluster and checked what happens with storm when one zookeeper fails. Eve=
rything was good, nothing happens with topology.</div>
</div><div class=3D"gmail_extra"><br><br><div class=3D"gmail_quote">On 4 Ju=
ly 2014 08:26, =EC=9D=B4=EC=8A=B9=EC=A7=84 <span dir=3D"ltr">&lt;<a href=3D=
"mailto:sweetest.sj@navercorp.com" target=3D"_blank">sweetest.sj@navercorp.=
com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"mar=
gin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style=3D"font-size:10pt;font-family:=EB=82=98=EB=88=94=EA=B3=A0=EB=94=
=95,NanumGothic,sans-serif"><p>in storm.yaml, we listed 3 zookeeper servers=
</p><p>=C2=A0</p><p>storm.zookeeper.servers:</p><p>-&quot;host1&quot;</p><p=
>-&quot;host2&quot;</p><p>-&quot;host3&quot;</p>
<p>=C2=A0</p><p>and host1 dies unexpectedly today morning,</p><p>=C2=A0</p>=
<p>since then, not only I cannot connect to storm UI (TTransport exception)=
 but also can&#39;t execute any of storm command.</p><p>=C2=A0</p><p>I was =
quite worried when this happened, because if it&#39;s what storm is suppose=
d to be, one of the zookeeper server can be a SPOF.</p>
<p>=C2=A0</p><p>seems like it should be fixed ASAP</p><p>=C2=A0</p><p>Since=
rly,</p></div>
<table><tbody><tr><td><img src=3D"http://ack.mail.navercorp.com/readReceipt=
/notify/?img=3DrfbmFqKrFxu%2FKxEYaqumFrJvp4tXMoKZMqivpopvax34Mrkop4uXFAJ4tz=
FXp6UmKZl5W63474lcWNFlbX30WLloWrdQaXkqpBigbX3Tb4d516lo%2B6iC%2BzeZ74JmM6Fcp=
LlTb4b%3D.gif" border=3D"0"></td>
</tr></tbody></table></blockquote></div><br><br clear=3D"all"><div><br></di=
v>-- <br>With best regards, Irek Khasyanov.
</div>

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