I believe that this is turned on by default (at least in 15).
On 4/16/08 10:57 AM, "Milind Bhandarkar" <[EMAIL PROTECTED]> wrote: > Yes. In hadoop, you can enable "backup" tasks by setting > mapred.speculative.execution to true. > > - milind > > > On 4/16/08 8:07 AM, "Chaman Singh Verma" <[EMAIL PROTECTED]> wrote: > >> >> >> Hello, >> >> I am curious to know whether Hadoop MapReduce has the feature of "Backup >> Tasks" as described in the >> seminal paper "MapReduce:Simplified Data Processing in Large Cluster" ( Dean >> and Ghemawat ). >> >> Any implementation detail will be extremely valuable. >> >> Thanks. >> >> With Regards. >> Chaman Singh Verma >> Poona,India >> >> ----- >> Chaman Singh Verma >> Poona, India >> -- >> View this message in context: >> http://www.nabble.com/Backup-Tasks-in-Hadoop-MapReduce.-tp16722539p16722539.h>> t >> ml >> Sent from the Hadoop core-user mailing list archive at Nabble.com. >> > > - Milind
