This sounds similar to https://issues.apache.org/jira/browse/CASSANDRA-10010, but that only affected 2.x. Can you open a Jira ticket with your table schema, the problematic query, and the details you posted here?
On Tue, Apr 19, 2016 at 10:25 AM, Siddharth Verma < verma.siddha...@snapdeal.com> wrote: > Hi, > > We are using cassandra(dsc3.0.3) on production. > > For some purpose, we were doing a full table scan (setPagingState and > getPagingState used on ResultSet in java program), and there has been some > discrepancy when we ran the same job multiple times. > Each time some new data was added to the output, and some was left out. > > Side Note 1 : > Table structure > col1, col2, col3, col4, col5, col6 > Primary key(col1, col2) > col5 is static column > col6 static column. Used to explicitly store updated time when col5 changed > > > Sample Data > 1,A,AA,AAA,STATIC,T1 > 1,B,BB,BBB,STATIC,T1 > 1,C,CC,CCC,STATIC,T1 > 1,D,DD,DDD,STATIC,T1 > > For some key, sometime col6 was updated while the job was running, so some > values were not printed for that partition key. > > Side Note 2 : > we did -> select col6, writetime(col6) from ... where col1=... and col2=... > For the data that was missed out to make sure that particular entry wasn't > added later. > > > Side Note 3: > The above scenario that some col6 was updated while job was running, > therefore some entry for that partition key was ignored, is an assumption > from our end. > We can't understand why some entries were not printed in the table scan. > > -- Tyler Hobbs DataStax <http://datastax.com/>