zeekling created HADOOP-19754:
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Summary: NNloadGeneratorMR should display aggregated performance
metrics in Counters or AM.
Key: HADOOP-19754
URL: https://issues.apache.org/jira/browse/HADOOP-19754
Project: Hadoop Common
Issue Type: Improvement
Reporter: zeekling
NNloadGeneratorMR should display aggregated performance metrics in Counters or
AM.
like this:
{code:java}
Result of running LoadGenerator against fileSystem: hdfs://hacluster1:8020
Average open execution time: 1801.1324795297082ms
Average list execution time: 1767.8814285714286ms
Average deletion execution time: 1759.8374531835207ms
Average create execution time: 1828.5810306198655ms
Average write_close execution time: 310.880720180045ms
Average operations per second: 157.83333333333334ops/s {code}
But now it is only displayed in each Map; it would be better if it could also
be displayed in Counters or AM.
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