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HBase, mail # user - NoRouteToHostException when zookeeper crashes


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Dhaval Shah 2013-08-06, 14:48
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Ted Yu 2013-08-06, 15:08
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Re: NoRouteToHostException when zookeeper crashes
Dhaval Shah 2013-08-06, 15:18
HBase - 0.92.1
Zookeeper - 3.4.3
 
Regards,
Dhaval
----- Original Message -----
From: Ted Yu <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]; Dhaval Shah <[EMAIL PROTECTED]>
Cc:
Sent: Tuesday, 6 August 2013 11:08 AM
Subject: Re: NoRouteToHostException when zookeeper crashes

What HBase / zookeeper versions are you using ?

On Tue, Aug 6, 2013 at 7:48 AM, Dhaval Shah <[EMAIL PROTECTED]>wrote:

> I have a weird (and a pretty serious) issue on my HBase cluster. Whenever
> one of my zookeeper server goes down, already running services work fine
> for a few hours but when I try to restart any service (be it region servers
> or clients), they fail with a NoRouteToHostException while trying to
> connect to zookeeper and I cannot restart any service successfully at all.
> I do realize that No Route to host is coming from my network infrastructure
> (ping gives the same error) but why would 1 zookeeper server going down
> bring down the entire HBase cluster. Why doesn't HBase ride over the
> exception and try some other zookeeper server?
>
> Is this an issue other people face or its just me? We are running these on
> DHCP (but the IPs don't change because we have long leases). Do you guys
> think its a DHCP specific issue? Do you have pointers to avoid this issue
> with DHCP or do I have to move to static IPs?
>
> Regards,
> Dhaval
>
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Ted Yu 2013-08-06, 15:32
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Dhaval Shah 2013-08-06, 15:37
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Stack 2013-08-06, 17:29
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Dhaval Shah 2013-08-06, 17:41
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Stack 2013-08-06, 18:46