Vladimir Tarasov created MAPREDUCE-6832:
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Summary: Counter name is truncated regardless the configuration
Key: MAPREDUCE-6832
URL: https://issues.apache.org/jira/browse/MAPREDUCE-6832
Project: Hadoop Map/Reduce
Issue Type: Bug
Environment: hadoop version
Hadoop 2.6.0-cdh5.8.0
Subversion http://github.com/cloudera/hadoop -r
042da8b868a212c843bcbf3594519dd26e816e79
Compiled by jenkins on 2016-07-12T22:55Z
Compiled with protoc 2.5.0
>From source with checksum 2b6c319ecc19f118d6e1c823175717b5
This command was run using /usr/lib/hadoop/hadoop-common-2.6.0-cdh5.8.0.jar
Reporter: Vladimir Tarasov
For now I have hadoop job which creates counters with pretty big name. For
example, the following one:
stats.counters.server-name.job.job-name.mapper.site.site-name.qualifier.qualifier-name.super-long-string-which-is-not-quantity-within-standard-limits.
This counter is truncated on web interface and is returned truncated by
getName() method. I've found out that hadoop have limitations on the counter
max name and mapreduce.job.counters.counter.name.max is for configuring this
limit. So I incremented this to 500 and web interface now shows full counter
name. But getName() of the counter still returns truncated name.
This seems like a bug as result of getName() call should be consistent.
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