Created CASSANDRA-1042.
On Sat, May 1, 2010 at 12:01 AM, Jonathan Ellis <jbel...@gmail.com> wrote: > Can you create a ticket? > > On Fri, Apr 30, 2010 at 4:55 PM, Joost Ouwerkerk <jo...@openplaces.org> wrote: >> There's a bug in ColumnFamilyRecordReader that appears when processing >> a single split. When the start and end tokens of the split are equal, >> duplicate rows can be returned. >> >> Example with 5 rows: >> token (start and end) = 53193025635115934196771903670925341736 >> >> Tokens returned by first get_range_slices iteration: >> 16955237001963240173058271559858726497 >> 40670782773005619916245995581909898190 >> 99079589977253916124855502156832923443 >> 144992942750327304334463589818972416113 >> 166860289390734216023086131251507064403 >> >> Tokens returned by next iteration (first token is last token from >> previous, end token is unchanged) >> 16955237001963240173058271559858726497 >> 40670782773005619916245995581909898190 >> >> Tokens returned by final iteration (first token is last token from >> previous, end token is unchanged) >> [] (empty) >> >> In this example, the mapper has processed 7 rows in total, 2 of which >> were duplicates. >> >> Joost. >> > > > > -- > Jonathan Ellis > Project Chair, Apache Cassandra > co-founder of Riptano, the source for professional Cassandra support > http://riptano.com >
