-Re: resetting conf/ parameters in a life cluster.
Harsh J 2012-08-18, 15:06
Oddly, the counters limit changes (increases, anyway) needs to be
applied at the JT, TT and *also* at the client - to take real effect.
On Sat, Aug 18, 2012 at 8:31 PM, Jay Vyas <[EMAIL PROTECTED]> wrote:
> Hi guys:
> I've reset my max counters as follows :
> However, a job is failing (after reducers get to 100%!) at the very end,
> due to exceeded counter limit. I've confirmed in my
> code that indeed the correct counter parameter is being set.
> My hypothesis: Somehow, the name node counters parameter is effectively
> being transferred to slaves... BUT the name node *itself* hasn't updated its
> maximum counter allowance, so it throws an exception at the end of the job,
> that is, they dying message from hadoop is
> " max counter limit 120 exceeded.... "
> I've confirmed in my job that the counter parameter is correct, when the
> job starts... However... somehow the "120 limit exceeded" exception is
> still thrown.
> This is in elastic map reduce, hadoop .20.205
> Jay Vyas