What is the hardware configuration of your system? On 02/10/2014 1:20 pm, "Guillermo Ortiz" <[email protected]> wrote:
> Hi > > I'm working with PIG, trying to do a GROUP BY operation. I get an Java Heap > OutOfMemory in the Combiner phase, if I disabled the combiner phase it > works. But, there're not too data and I don't understand what's happening. > > The error looks like this JIRA ( > https://issues.apache.org/jira/browse/PIG-1442), but, I'm using PIG 0.12, > so, it's suppose that I was resolved a long time ago. > > The output of the Map is about 50Mb and the field for grouping has about 20 > different values. > > The sentences that I'm trying to execute are: > > s = foreach inputPig generate $10,$5; > g = GROUP s BY ($0); > outputPig = FOREACH g GENERATE FLATTEN(group), AVG(s.$1); >
