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From zhang.hen...@zte.com.cn
Subject 答复: Re: how to close hadoop when tmp files were cleared
Date Mon, 17 Jun 2013 09:22:54 GMT
Thanks all. Now i'm using "kill pid" to stop it.






Harsh J <harsh@cloudera.com> 
2013-06-17 17:09
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Re: how to close hadoop when tmp files were cleared






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 <azuryyyu@gmail.com> 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 <harsh@cloudera.com> 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,  <zhang.heng16@zte.com.cn> 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


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