Column family ID mismatch

[sumit thakur]

hello,
1) what is CF-id?

2) should i set this value if creating new CF?


3) I got some exception when trying to update CF.

InvalidRequestException(why:Column family ID mismatch (found 1022;
expected 1021)).

[Nate McCall]

You should not need to worry about CFid. That error implies you have
an older version of hector - upgrade to 1.0-3

[sumit thakur]

yes i am using hector-core-1.0-3 ,still i am getting same exception.

[sumit thakur]

yes i am using hector-core-1.0-3 ,still i am getting same exception.

Exception:

Exception in thread "main" java.lang.UnsupportedOperationException
at java.util.AbstractList.add(Unknown Source)
at java.util.AbstractList.add(Unknown Source)
at
me.prettyprint.cassandra.service.ThriftCfDef.addColumnDefinition(ThriftCfDef.java:
359)


-----------------------------------------------------------------------

[Nate McCall]

Oh - do not add then update a column family in two subsequent steps.
Cassandra is still processing the first request internally. Add all
the index creation logic in the same place as column family creation.

You could also try the overloaded call with a "sleep" parameter, but
since you are just creating a single CF, do it all in one place.

[sumit thakur]

hello Nate,

thanks for reply,

Q) shall i get any performance issue ,if i will create multiple
indexes on
multiple CF ?

On Feb 16, 7:50 pm, Nate McCall <zznat...@gmail.com> wrote:
> Oh - do not add then update a column family in two subsequent steps.
> Cassandra is still processing the first request internally. Add all
> the index creation logic in the same place as column family creation.
>
> You could also try the overloaded call with a "sleep" parameter, but
> since you are just creating a single CF, do it all in one place.
>
> On Thu, Feb 16, 2012 at 12:52 AM, sumit thakur
>
>
>
>
>
>
>

> <sumitthakur040...@gmail.com> wrote:
> > yes i am using hector-core-1.0-3 ,still i am getting same exception.
>

[Nate McCall]

Yes. Indexes are actually separate column families under the covers,
so there is overhead associated with them.