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You should use the Hbase PerformanceEvaluation script to evaluate your Hbase cluster before you do test using MapReduce.
To check if your Hbase can reach or close to the benchmark released by Hbase team.
Even the data is kind of old (Only to Hbase 0.19, and 5 years ago), but based on my experience, most of new set Hbase cluster cannot even be close to that benchmark.
http://wiki.apache.org/hadoop/Hbase/PerformanceEvaluation |
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