That makes sense - I think my client uses milliseconds. Thanks for pointing that out.

-Q

On 12/21/12 6:25 PM, Edward Capriolo wrote:
The cli using microsecond precision your client might be using something else and the insert with lower timestamps are dropped.

On Friday, December 21, 2012, Qiaobing Xie <qiaobing....@gmail.com <mailto:qiaobing....@gmail.com>> wrote:
> Hi,
>
> I am developing a thrift client that inserts and removes columns from a column-family (using batch_mutate calls). Everything seems to be working fine - my thrift client can add/retrieve/delete/add back columns as expected... until I manually deleted a column with cassandra-cli. (I was trying to test an error scenario in which my client would discover a missing column and recreated it in the column-family). After I deleted a column from within cassandra-cli manually, my thrift client detected the column of that name missing when it tried to get it. So it tried to recreated a new column with that name along with a bunch of other columns with a batch_mutate call. The call returned normally and the other columns were added/updated, but the one that I manually deleted from cassandra-cli was not added/created in the column family.
>
> I tried to restart my client and cassandra-cli but it didn't help. It just seemed that my thrift client could no longer add a column with that name! Finally I destroyed and recreated the whole column-family and the problem went away.
>
> Any idea what I did wrong?
>
> -Qiaobing
>
>
>

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