Does cassandra-jdbc-1.1.1 driver can be used with Cassandra server 1.0.0
version ? Or does it support only the Cassandra server versions 1.1.0 and
later ?
Regards,
~Dinusha~
Hi Folks,
I'm coming up with a set of decision criteria on when to chose traditional
RDBMS vs various NoSQL options.
So one aspect is the application requirements around Consistency,
Availability, Partition Tolerance, Scalability, Data Modeling etc. These can be
decided at a theoretical level
Hi.
I´ve avoided the issue by disabling assertions (-da). Any suggestions
on a better strategy?
Thanks
José
On Thu, Aug 9, 2012 at 5:29 PM, Jose Flexa wrote:
> Hi,
>
> I am triggering the assertion at the start of
> ColumnFamilyStore.getRangeSlice when setting a SlicePredicate with
> sliceRange
Hi,
I am triggering the assertion at the start of
ColumnFamilyStore.getRangeSlice when setting a SlicePredicate with
sliceRange.setStart(new byte[0]), sliceRange.setFinish(new byte[0]);
sliceRange.setCount(Integer.MAX_VALUE); in a AWS EMR job flow. AWS EMR
uses libthrift 0.7.0 but my cassandra clu
Are row key hashed before being physically stored in Cassandra ? If
so, what hash function is used to ensure collision is minimal.
Thanks.
On Wed, Aug 8, 2012 at 10:28 PM, rajesh.ba...@orkash.com
wrote:
> i would suggest you delete the files in your system keyspace folder except
> files like Schema*.*.
This thread could have been much shorter with a judicious use of "grep", heh ...
# grep -i name /etc/cassandra/cassandra.yaml
clust
On Thu, Aug 9, 2012 at 5:52 AM, wrote:
> Hi,
> I am trying to create a Cassandra schema for cluster monitoring system, where
> one cluster can have multiple nodes and I am monitoring multiple matrices
> from a node. My raw data schema looks like and taking values in every 5 min
> interval
>
>
De : Sylvain Lebresne [mailto:sylv...@datastax.com]
> 2) copy the snapshot sstable in the right place and call the JMX method
> loadNewSSTables() (in the column family MBean, which mean you need to
> do that per-CF).
How does this affect the contents of the CommitLogs? I mean,
I imagine u
Hello
It seems the Thrift method *batch-mutate*, with Mutations, will not update
the previous data with the mutation given, but clear and replace by it?
right?
thanks for answers
How could I do if I have more than one field to update, I should send
several thrft *insert*?
Any idea on how to fix this?
Thanks,
Kasun
On Wed, Aug 8, 2012 at 11:56 AM, Kasun Weranga wrote:
> Hi all,
>
> I am facing the above issue in Cassandra 1.1.0, it will add 134.2MB
> commitlog file in every restart, but it never delete it. We can't control
> the commitlog dir size even
> by expli
Hello,
We've noticed that when passing multiple -k arguments to the
sstable2json utility, we pretty much always get an IOException with
"Key out of order!". Looking at this:
https://github.com/apache/cassandra/blob/cassandra-1.0.10/src/java/org/apache/cassandra/tools/SSTableExport.java#L241
it loo
Hi,
I am trying to create a Cassandra schema for cluster monitoring system, where
one cluster can have multiple nodes and I am monitoring multiple matrices from
a node. My raw data schema looks like and taking values in every 5 min interval
matrix_name + daily time stamp as row key, composite co
Hi
I am running 12.04 Ubuntu, and had cassandra ubuntu packaged installation.
I have just upgraded cassandra from 1.0 to 1.1.
I followed the step provided by this link
http://www.datastax.com/docs/1.1/install/upgrading
Anyway, when I try to start cassandra using the command: sudo cassandra -f
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