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HBase, mail # user - NoRouteToHostException when zookeeper crashes


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Re: NoRouteToHostException when zookeeper crashes
Ted Yu 2013-08-06, 15:32
bq. one of my zookeeper server goes down

How many servers were left in the quorum ? Was the new leader elected
properly afterwards ?

Thanks

On Tue, Aug 6, 2013 at 8:18 AM, Dhaval Shah <[EMAIL PROTECTED]>wrote:

> 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
> >
>
>