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From Ryan King <r...@twitter.com>
Subject Re: Consistency question caused by Read_all and Write_one
Date Fri, 10 Dec 2010 20:59:40 GMT
On Fri, Dec 10, 2010 at 12:49 PM, Alvin UW <alvinuw@gmail.com> wrote:
> Hello,
>
>
> I got a consistency problem in Cassandra.
>
> Given a column family with a record:    Id   Name
>                                                        
1    David
>
> There are three backups for this column family.
>
> Assume there are two write operation happens issued by the same application
> by this order: write_one("1", "Dan") ; write_one("1", "Ken").
> What will Read_all("1") get?
>
> Assume the above two write operations happens exactly the same time in two
> applications,
> Again what will Read_all("1") get?

By "exactly the same" do you mean "with the same timestamp"?

-ryan

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