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From Ted Yu <yuzhih...@gmail.com>
Subject Re: How to healthcheck a regionserver
Date Thu, 30 Mar 2017 16:31:20 GMT
Health check can be as simple as pinging - see
https://issues.apache.org/jira/browse/HBASE-17453

To get list of regions, see this post:

http://search-hadoop.com/m/HBase/YGbb7vLCS1bp1Ed1?subj=Re+How+to+get+the+Region+s+of+a+Table+on+a+Region+server

On Thu, Mar 30, 2017 at 9:21 AM, jeff saremi <jeffsaremi@hotmail.com> wrote:

> I couldn't find the relationship between Slider and Regionservers. Do you
> have a specific link?
> What I'm looking for is something like this:
>
> using the java native client:
> - get a list of regions
>
> - for each region, get the name of the region server
>
> - somehow find a record belonging to that region (starting hash?)
>
> - do a GET on one record of each region and report back
>
> ________________________________
> From: Ted Yu <yuzhihong@gmail.com>
> Sent: Wednesday, March 29, 2017 10:20:17 PM
> To: user@hbase.apache.org
> Subject: Re: How to healthcheck a regionserver
>
> Have you heard of http://slider.incubator.apache.org/ (since you mentioned
> Yarn) ?
>
> Slider provides several methods of monitoring region server health.
>
> FYI
>
> On Wed, Mar 29, 2017 at 9:57 PM, jeff saremi <jeffsaremi@hotmail.com>
> wrote:
>
> > We have our region servers assigned by Yarn and occasionally we get a
> > false list of servers in zookeeper.
> >
> > I'm writing a monitor program and I'd like to instead of pinging the
> > server, perform a simple query to get the health of a specific region
> > server. Is this possible? how? thanks
> >
> > Jeff
> >
> >
>

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