Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Plain View
HBase >> mail # user >> Exceeded limits on number of counters


+
Glen Arrowsmith 2013-07-02, 06:43
+
Jean-Marc Spaggiari 2013-07-02, 17:24
+
Michel Segel 2013-07-02, 17:52
Copy link to this message
-
Re: Exceeded limits on number of counters
In mapreduce, there is a proper

Best Regards,
Anil

On Jul 1, 2013, at 11:43 PM, Glen Arrowsmith <[EMAIL PROTECTED]> wrote:

> Hi,
> I'm getting an error on a map reduce task that use to work just fine for a few weeks.
>
> Exceeded limits on number of counters - Counters=120 Limit=120
>
> The full stderr output is at the bottom.
>
> I'm using Amazon's Elastic MapReduce.
> The following command starts the job
> elastic-mapreduce --create --name REGISTER table to S3 v2" --num-instances 6 --with-supported-products mapr-m5 --instance-type m1.xlarge --hive-script --arg s3://censored/dynamo-to-s3-v2.h --args -d,OUTPATH=s3://censored/out/,-d,INTABLE="REGISTER"
>
> From what I've read you can't change the counter limit without recompiling.
>
> Originally I had "fixed" this problem by upgrading from standard map reduce instances to mapr-m5 instances but that stopped working now for some reason.
>
> Thanks very much in advance for your help
>
> Glen Arrowsmith
> Systems Architect
>
>
> /mnt/var/lib/hadoop/steps/2/./hive-script:326: warning: Insecure world writable dir /home/hadoop/bin in PATH, mode 040757
> Logging initialized using configuration in file:/home/hadoop/.versions/hive-0.8.1/conf/hive-log4j.properties
> Hive history file=/mnt/var/lib/hive_081/tmp/history/hive_job_log_hadoop_201307020009_133883985.txt
> OK
> [snip]
> Time taken: 0.389 seconds
> OK
> Time taken: 0.382 seconds
> Total MapReduce jobs = 12
> Launching Job 1 out of 12
> Number of reduce tasks not specified. Defaulting to jobconf value of: 10
> In order to change the average load for a reducer (in bytes):
>  set hive.exec.reducers.bytes.per.reducer=<number>
> In order to limit the maximum number of reducers:
>  set hive.exec.reducers.max=<number>
> In order to set a constant number of reducers:
>  set mapred.reduce.tasks=<number>
> Starting Job = job_201307020007_0001, Tracking URL = http://ip-10-151-78-231.ec2.internal:9100/jobdetails.jsp?jobid=job_201307020007_0001
> Kill Command = /opt/mapr/hadoop/hadoop-0.20.2/bin/../bin/hadoop job  -Dmapred.job.tracker=maprfs:/// -kill job_201307020007_0001
> Hadoop job information for Stage-12: number of mappers: 23; number of reducers: 10
> 2013-07-02 00:09:30,325 Stage-12 map = 0%,  reduce = 0%
> org.apache.hadoop.mapred.Counters$CountersExceededException: Error: Exceeded limits on number of counters - Counters=120 Limit=120
>                at org.apache.hadoop.mapred.Counters$Group.getCounterForName(Counters.java:318)
>                at org.apache.hadoop.mapred.Counters.findCounter(Counters.java:439)
>                at org.apache.hadoop.mapred.Counters.getCounter(Counters.java:503)
>                at org.apache.hadoop.hive.ql.exec.Operator.updateCounters(Operator.java:1150)
>                at org.apache.hadoop.hive.ql.exec.ExecDriver.updateCounters(ExecDriver.java:1281)
>                at org.apache.hadoop.hive.ql.exec.HadoopJobExecHelper.updateCounters(HadoopJobExecHelper.java:85)
>                at org.apache.hadoop.hive.ql.exec.HadoopJobExecHelper.progress(HadoopJobExecHelper.java:312)
>                at org.apache.hadoop.hive.ql.exec.HadoopJobExecHelper.progress(HadoopJobExecHelper.java:685)
>                at org.apache.hadoop.hive.ql.exec.ExecDriver.execute(ExecDriver.java:494)
>                at org.apache.hadoop.hive.ql.exec.MapRedTask.execute(MapRedTask.java:136)
>                at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:133)
>                at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:57)
>                at org.apache.hadoop.hive.ql.exec.TaskRunner.run(TaskRunner.java:47)
> Ended Job = job_201307020007_0001 with exception 'org.apache.hadoop.mapred.Counters$CountersExceededException(Error: Exceeded limits on number of counters - Counters=120 Limit=120)'
> FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.MapRedTask
> Command exiting with ret '255'
+
anil gupta 2013-07-03, 06:00