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HDFS, mail # user - 答复: Re: how to close hadoop when tmp files were cleared


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Re: how to close hadoop when tmp files were cleared
Azuryy Yu 2013-06-17, 09:29
Yes Harsh, It's my fault.
On Mon, Jun 17, 2013 at 5:09 PM, Harsh J <[EMAIL PROTECTED]> wrote:

> Hey Azuryy,
>
> The -9 (SIGKILL) is unnecessary and isn't recommended unless its
> unresponsive. The SIGTERM has an additional benefit of running any
> necessary shutdown handling procedures, but SIGKILL is instant death.
>
> On Mon, Jun 17, 2013 at 2:34 PM, Azuryy Yu <[EMAIL PROTECTED]> wrote:
> > ps aux|grep java  , you can find pid, then just 'kill -9' to stop the
> Hadoop
> > process.
> >
> >
> > On Mon, Jun 17, 2013 at 4:34 PM, Harsh J <[EMAIL PROTECTED]> wrote:
> >>
> >> Just send the processes a SIGTERM signal (regular kill). Its what the
> >> script does anyway. Ensure to change the PID directory before the next
> >> restart though.
> >>
> >> On Mon, Jun 17, 2013 at 1:09 PM,  <[EMAIL PROTECTED]> wrote:
> >> >
> >> > Hi,
> >> >
> >> > My hadoop cluster has been running for a period of time.  Now i want
> to
> >> > close it for some system changes. But the command "bin/stop-all.sh"
> >> > shows
> >> > "no jobtracker to stop","no tasktracker to stop","no namenode to stop"
> >> > and
> >> > "no datanode to stop". I use "jps" got nothing but jps itself.
> However,
> >> > hadoop is indeed running.I think it may be some tmp files about hadoop
> >> > had
> >> > been cleared by operation system. Could someone tell me how to stop
> >> > hadoop
> >> > in case of no data files breaks ?
> >> > Any guidance would be greatly appreciated. Thanks!
> >> >
> >> > Jeff
> >> >
> >> >
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> >>
> >> --
> >> Harsh J
> >
> >
>
>
>
> --
> Harsh J
>