Hi,
I have a 2 DC setup(DC1:3, DC2:3). All reads and writes are at
LOCAL_QUORUM. The question is if I do reads at LOCAL_QUORUM in DC1, will
read repair happen on the replicas in DC2?
Thanks
-Raj
Re-work the data model if needed.
There are probably some savings inside the server and definitely on the network
if you could get just the column names. But it would take a lot of work to make
the change and it's probably better solved at the model layer.
Hope that helps.
I have a schema that represents a filesystem and one example of a Super CF is:
This may help with some ideas
http://www.datastax.com/dev/blog/cassandra-file-system-design
In general we advise to avoid Super Columns if possible. They are often slower,
and the sub columns are not indexed. Meaning
I have a script that needs to set up a schema first before starting up the
cassandra node. Is this possible ?
No.
A node must be running to make a DDL change.
Cheers
-
Aaron Morton
Freelance Developer
@aaronmorton
http://www.thelastpickle.com
On 15/09/2012, at 2:05 AM, Xu,
Starting with -f backgrounds the process.
By default logging is configured to write to stdout, maybe update
log4j-server.properties.
Hope that helps.
-
Aaron Morton
Freelance Developer
@aaronmorton
http://www.thelastpickle.com
On 15/09/2012, at 2:49 AM, Xu, Zaili
I may be missing something, but it looks like you pass multiple keys but
only a singular SlicePredicate
My bad.
I was probably thinking multiple gets but wrote multigets.
If Collections don't help maybe you need to support both query types using
separate CF's. Or a secondary index for the
