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From Ted Yu <yuzhih...@gmail.com>
Subject Re: hbase 0.94.26 hangs when a datanode is suspended via SIGSTOP
Date Mon, 22 Jun 2015 17:29:30 GMT
bq. my hbase client keeps stuck

Can you provide stack trace for the client ?

Were region servers operating properly ? Can you check server logs during
that time frame ?

Cheers

On Thu, Jun 18, 2015 at 1:54 AM, Neutron sharc <neutronsharc@gmail.com>
wrote:

> Btw,  hbase 0.94.26 is on top of HDFS 2.5.0-chd5.3.2.
>
> On Wed, Jun 17, 2015 at 10:41 AM, Neutron sharc <neutronsharc@gmail.com>
> wrote:
>
> > Hi community,
> >
> > I am testing the time to recovery of hbase 0.94.26.   0.94.26 can
> tolerate
> > region server failures very smoothly.   However, it seems  client cannot
> > recover when a datanode is suspended (through kill -SIGSTOP).   When DN
> is
> > paused,  I expect hbase client will timeout and pick the next DN with
> > data.  However my hbase client keeps stuck there, until I resume DN with
> > SIGCONT.
> >
> > Are there any special parameters I should tune regarding this scenario?
> > Thanks!
> >
> >
> >
> > -Neutron
> >
>

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