Yi Mei created HBASE-21034:
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             Summary: Add new throttle type: read/write capacity unit
                 Key: HBASE-21034
                 URL: https://issues.apache.org/jira/browse/HBASE-21034
             Project: HBase
          Issue Type: Task
    Affects Versions: 3.0.0, 2.2.0
            Reporter: Yi Mei


Add new throttle type: read/write capacity unit like DynamoDB.

One read capacity unit represents that read up to 1K data per time unit. If 
data size is more than 1K, the consume additional read capacity units.

One write capacity unit represents that one write for an item up to 1 KB in 
size per time unit. If data size is more than 1K, the consume additional write 
capacity units.

For example, 100 read capacity units per second means that, HBase user can read 
100 times for 1K data in every second, or 50 times for 2K data in every second 
and so on.



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