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From "Varun Sharma (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-7075) Allow ColumnPaginationFilter to accept qualifier name as input
Date Tue, 30 Oct 2012 21:48:13 GMT
Varun Sharma created HBASE-7075:
-----------------------------------

             Summary: Allow ColumnPaginationFilter to accept qualifier name as input
                 Key: HBASE-7075
                 URL: https://issues.apache.org/jira/browse/HBASE-7075
             Project: HBase
          Issue Type: Improvement
          Components: Filters
            Reporter: Varun Sharma
            Assignee: Varun Sharma


Currently column pagination filter takes (offset, limit) as the parameters. It then scans
through until offset and then retrieves "limit" number of columns.

A lot of times we can do pagination in the following manner:
1) Provide offset=0, limit=50
2) Get <last_column_id> obtained and then Provide offset=<last_column_id>, limit=50
to get the next set of columns.

Since we can seek to column qualifier names - this will allow for faster pagination using
columns and ColumnPaginationFilter (particularly if there are millions of columns).

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