Josh Wills created CRUNCH-230:
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Summary: Attempt to estimate HBase table sizes when we're given a
trivial Scan object
Key: CRUNCH-230
URL: https://issues.apache.org/jira/browse/CRUNCH-230
Project: Crunch
Issue Type: Improvement
Components: IO
Affects Versions: 0.6.0
Reporter: Josh Wills
Priority: Minor
Attachments: CRUNCH-230.patch
If we're asked to do a scan of an entire HBase table, we can actually do a
pretty good job of estimating how large it is by looking up its directory in
HDFS. This patch checks the input scan given to the HBaseSourceTarget, and if
it doesn't specify any filters, looks up the size of the input table on HDFS.
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