thanks :) On Tue, Sep 16, 2008 at 12:46 PM, Arun C Murthy <[EMAIL PROTECTED]> wrote:
> > On Sep 16, 2008, at 12:33 AM, lohit wrote: > > <property> >> <name>mapred.map.tasks.speculative.execution</name> >> <value>true</value> >> <description>If true, then multiple instances of some map tasks >> may be executed in parallel.</description> >> </property> >> >> > And similarly for reduces: mapred.reduce.tasks.speculative.execution. > > Arun > > > You can change that to false. >> That would be cluster wide change, also you could change that per job >> basis like passing it as config like any other configs of hadoop. >> Thanks, >> Lohit >> >> >> >> >> ----- Original Message ---- >> From: Ahmad Humayun <[EMAIL PROTECTED]> >> To: [email protected] >> Sent: Tuesday, September 16, 2008 12:18:56 AM >> Subject: speculative execution >> >> How do you shut-off speculative execution in Hadoop >> >> Thanks for the help >> >> >> regards, >> -- >> Ahmad Humayun >> Research Associate >> Computer Science Dpt., LUMS >> http://suraj.lums.edu.pk/~ahmadh <http://suraj.lums.edu.pk/%7Eahmadh> >> +92 321 4457315 >> >> > -- Ahmad Humayun Research Associate Computer Science Dpt., LUMS http://suraj.lums.edu.pk/~ahmadh +92 321 4457315
