> The schema change was that we created a new key space with composite type
> CFs, but later we had to change some definition/CF names, so we dropped the
> key space and recreated with new definition.  

sounds like a bug, as Sylvain suggest can you report it here 
https://issues.apache.org/jira/browse/CASSANDRA and include the schema changes 
you made. 

Cheers

-----------------
Aaron Morton
Freelance Developer
@aaronmorton
http://www.thelastpickle.com

On 27/01/2012, at 4:41 AM, huyle wrote:

> This is on single node environment, and there is a lot of data in commit logs
> needs to be flushed to sstables. So remove commit logs will cause data lost.
> 
> Fortunately, this issue happens on a new key space that have CFs that use
> composite type, and we can sacrifice loosing data on this new key space.  So
> we modified cassandra code so that cassandra will continue load when it
> encounters this issue.  We was able to get cassandra up and running with the
> modified code, and data in other key spaces remain intact. 
> 
> The schema change was that we created a new key space with composite type
> CFs, but later we had to change some definition/CF names, so we dropped the
> key space and recreated with new definition.  
> 
> Huy
> 
> 
> 
> 
> 
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