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Pig >> mail # user >> simple script generating 'too many counters' error


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Re: simple script generating 'too many counters' error
Do you have any special properties set?
Like the pig.udf.profile one maybe..
D
On Thu, Apr 4, 2013 at 6:25 AM, Lauren Blau <
[EMAIL PROTECTED]> wrote:

> I'm running a simple script to add a sequence_number to a relation, sort
> the result and store to a file:
>
> a0 = load '<filename>' using PigStorage('\t','-schema');
> a1 = rank a0;
> a2 = foreach a1 generate col1 .. col16 , rank_a0 as sequence_number;
> a3 = order a2 by  sequence_number;
> store a3 into 'outputfile' using PigStorage('\t','-schema');
>
> I get the following error:
> org.apache.hadoop.mapreduce.counters.LimitExceededException: Too many
> counters: 241 max=240
>     at
> org.apache.hadoop.mapreduce.counters.Limits.checkCounters(Limits.java:61)
>     at
> org.apache.hadoop.mapreduce.counters.Limits.incrCounters(Limits.java:68)
>     at
>
> org.apache.hadoop.mapreduce.counters.AbstractCounterGroup.readFields(AbstractCounterGroup.java:174)
>     at
> org.apache.hadoop.mapred.Counters$Group.readFields(Counters.java:278)
>     at
>
> org.apache.hadoop.mapreduce.counters.AbstractCounters.readFields(AbstractCounters.java:303)
>     at
> org.apache.hadoop.io.ObjectWritable.readObject(ObjectWritable.java:280)
>     at
> org.apache.hadoop.io.ObjectWritable.readFields(ObjectWritable.java:75)
>     at
> org.apache.hadoop.ipc.Client$Connection.receiveResponse(Client.java:951)
>     at org.apache.hadoop.ipc.Client$Connection.run(Client.java:835)
>
>
> we aren't able to up our counters any higher (policy) and I don't
> understand why I should need so many counters for such a simple script
> anyway?
> running Apache Pig version 0.11.1-SNAPSHOT (r: unknown)
> compiled Mar 22 2013, 10:19:19
>
> Can someone help?
>
> Thanks,
> Lauren
>