Re: What is the transaction ability of CarbonData? Does it support the transaction like this.

Posted by 李书明 on
URL: http://apache-carbondata-dev-mailing-list-archive.168.s1.nabble.com/What-is-the-transaction-ability-of-CarbonData-Does-it-support-the-transaction-like-this-tp91939p91965.html

Thanks for your replies.

Can you explain how CanbonData can do like this even if `Overwrite` may delete the whole subDir.

How does this session to check another session maybe reading this subDir?

> 在 2020年2月17日，下午8:44，Ravindra Pesala <[hidden email]> 写道：
>
> Hi ,
>
> Yes, you are right. Carbon supports the way you expected.  It can either
> give the data before overwrite or after overwrite in another session when
> you run query concurrently. It never gives `FileNotFoundException`.
>
> Regards,
> Ravindra.