Could you give more details on what you're trying to do? This sounds like a
case where a UUID will give you what you need without needing to lock.
- Tyler
On Tue, Dec 14, 2010 at 10:24 AM, Alvin UW wrote:
> Thanks.
> It is very helpful.
>
> I think I'd like to write to the same column.
>
> Wou
Thanks.
It is very helpful.
I think I'd like to write to the same column.
Would you please give me more details about your last sentence? For example,
why can't I use locking mechanism inside of cassandra?
Thanks.
Alvin
2010/12/13 Aaron Morton
> In your example is a little unclear.
>
> If yo
In your example is a little unclear.
If you are writing to a single row and creating columns with user names. Then
when you read all the columns for row 1 you will get columns called Dan and Ken.
If you are writing to the same column, let's say called user, then *if* they
are send with the sam
Yes, the same timestamp
2010/12/10 Ryan King
> On Fri, Dec 10, 2010 at 12:49 PM, Alvin UW wrote:
> > Hello,
> >
> >
> > I got a consistency problem in Cassandra.
> >
> > Given a column family with a record:Id Name
> > 1David
> >
On Fri, Dec 10, 2010 at 12:49 PM, Alvin UW 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
> 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?
Assuming read_all means reading at consistency level ALL, it sees the
latest value ("Ken").
> Assume the above two write ope
Hello,
I got a consistency problem in Cassandra.
Given a column family with a record:Id Name
1David
There are three backups for this column family.
Assume there are two write operation happens issued by the same application
by t
