hi all:
I set the mapred.map.tasks.speculative.execution=false,but in the
userlogs,you could found 3 attempt map task's log. have i miss something?
expect your help. thanks.
Besides Speculative execution , Tasks can be attempted multiple times due
to failures.
So you can see 3 attempt there.
On Tue, Jun 12, 2012 at 5:08 PM, 林育智 mylinyu...@gmail.com wrote:
hi all:
I set the mapred.map.tasks.speculative.execution=false,but in the
userlogs,you could found 3
: Jagat Singh jagatsi...@gmail.com
Date: Tue, 12 Jun 2012 17:13:36
To: common-user@hadoop.apache.org
Reply-To: common-user@hadoop.apache.org
Subject: Re: set the mapred.map.tasks.speculative.execution=false, but it is
not useful.
Besides Speculative execution , Tasks can be attempted multiple times