[book] Document how to count rows
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Key: HBASE-5069
URL: https://issues.apache.org/jira/browse/HBASE-5069
Project: HBase
Issue Type: Improvement
Reporter: Jean-Daniel Cryans
Priority: Minor
I just saw that there's no documentation on how to count rows. Basically
there's:
- The "count" command in the shell, it's quite fast when configured with the
right CACHE.
- The "rowcounter" MR job, it's super fast but you need to have a MapReduce
setup in place in order to use it.
There's also a way to estimate the row count by using the HFile tool and doing
a bit of bash magic.
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