@InterfaceAudience.Public @InterfaceStability.Stable public class CellCounter extends Object
1. Total number of rows in the table 2. Total number of CFs across all rows 3. Total qualifiers across all rows 4. Total occurrence of each CF 5. Total occurrence of each qualifier 6. Total number of versions of each qualifier.The cellcounter takes two optional parameters one to use a user supplied row/family/qualifier string to use in the report and second a regex based or prefix based row filter to restrict the count operation to a limited subset of rows from the table.
| Constructor and Description |
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CellCounter() |
| Modifier and Type | Method and Description |
|---|---|
static org.apache.hadoop.mapreduce.Job |
createSubmittableJob(org.apache.hadoop.conf.Configuration conf,
String[] args)
Sets up the actual job.
|
static void |
main(String[] args)
Main entry point.
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public static org.apache.hadoop.mapreduce.Job createSubmittableJob(org.apache.hadoop.conf.Configuration conf,
String[] args)
throws IOException
conf - The current configuration.args - The command line parameters.IOException - When setting up the job fails.Copyright © 2007–2019 The Apache Software Foundation. All rights reserved.