On Tue, Mar 3, 2009 at 6:17 PM, schubert zhang <[email protected]> wrote:
> Yes, we can tell HBase API only scan rows start with a key. > Would the filtering feature help here? http://hadoop.apache.org/hbase/docs/r0.19.0/api/org/apache/hadoop/hbase/filter/package-summary.html#package_description Scanners can be passed a filter (Read the description section on the above url). Can any expert share your ideas about: > 1. If the rowkey is not chronological, how can I only process the newly > added/updated rows? We don't have a means of asking for versions before a timestamp, only older (Can you add timestamp to your row key if you need this?) > 2. How can I remove the old rows which are inserted three months ago? > See above. St.Ack
