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From aaron morton <>
Subject Re: Cassandra backup queston regarding commitlogs
Date Mon, 30 Apr 2012 20:16:01 GMT
When the server starts it reads the SSTables then applies the Commit Logs. 

There is nothing you need to do other than leave the commit logs where they are. 


Aaron Morton
Freelance Developer

On 30/04/2012, at 6:02 PM, Roshan wrote:

> Hi Aaron
> Thanks for the comments. Yes for the durability will keep them in a safe
> place. But such crash situation, how can I restore the data (because those
> are not in a SSTable and only in commit log). 
> Do I need to replay only that commit log when server starts after crash?
> Will it override the same keys with values?
> Appreciate your reply on this.
> Kind Regards
> /Roshan
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