You should be able to use the CLI show schema yourkeyspace if your
cassandra is recent enough ( = 0.8 if I remember well. I think it is
better if you are in 0.8.7 because this command was fixed a couple of times
in 8.6 and 8.7).
You can put the show schema command into a file and call it with :
Thank you Alain.
michael
From: Alain RODRIGUEZ [mailto:arodr...@gmail.com]
Sent: Thursday, December 08, 2011 11:52 AM
To: user@cassandra.apache.org
Subject: Re: Schematool
You should be able to use the CLI show schema yourkeyspace if your
cassandra is recent enough ( = 0.8 if I
Hi,
I am using cassandra-jdbc driver and following is my code snip written for
delete a entry from column family.
String query1 = delete from USER where key=?;
PreparedStatement stmt = con.prepareStatement(query1);
stmt.setString(1, dinusha);
stmt.execute();
But I am getting following exception
On Thu, Dec 8, 2011 at 12:57 AM, Christof Bornhoevd
cbornho...@gmail.com wrote:
Hi All,
I'm using Cassandra 1.0.3 (with Hector 0.7). What is the granularity of
atomic read and write operations with Cassandra. I.e. is the insert or
update of an individual column an atomic operation (in the
CompositeType is meant as a comparator to deal with composite column names.
While it is possible to use it as a column value validator, I don't
see any good
use of that.
--
Sylvain
On Thu, Dec 8, 2011 at 6:13 AM, Asil Klin asdk...@gmail.com wrote:
I know Composite columns are used for some very
Just rebooting a machine with ephemeral drives is ok (it does an os
level reboot). You will also keep the same IP address. If you stop and
then start a machine with ephemeral drives you will lose data.
See: http://alestic.com/2011/09/ec2-reboot-stop-start
On Wed, Dec 7, 2011 at 6:43 PM,
On Thu, Dec 8, 2011 at 4:20 AM, Dinusha Dilrukshi
sdddilruk...@gmail.com wrote:
I am using cassandra-jdbc driver and following is my code snip written for
delete a entry from column family.
Where did you get this driver? Is it a release, is it from git (and
if so, when/which ID?). What
Hi Evans,
On Thu, Dec 8, 2011 at 8:59 PM, Eric Evans eev...@acunu.com wrote:
On Thu, Dec 8, 2011 at 4:20 AM, Dinusha Dilrukshi
sdddilruk...@gmail.com wrote:
I am using cassandra-jdbc driver and following is my code snip written
for
delete a entry from column family.
Where did you get
Is there a way to set up a single node cluster without specifying anything
about the specific machine in cassandra.yaml? I've cleared the values from
listen_address and rpc_address, but it complains upon startup that no other
nodes can be seen (presumably because the ip in the seeds doesn't
In addition to the below i would also think of rebooting one at a time,
just to be safe... folks in my corp are seeing the reboot fail because of
EBS or S3 dependencies while booting the image.
Regards,
/VJ
On Thu, Dec 8, 2011 at 3:04 AM, Peter Sanford
psanf...@nearbuysystems.comwrote:
Just
You can add a DNS entry with multiple IP's or something like a elastic ip
which will keep switching between the active machines. or you can also
write your custom seed provider class. Not sure if you will get a quorum
when there dev's are on vacation :)
Regards,
/VJ
On Thu, Dec 8, 2011 at
Just solved it. I’m using localhost for the listen_address, 0.0.0.0 for the
rpc_address, and 127.0.0.1 for the seeds.
Cheers,
Steve
From: Vijay [mailto:vijay2...@gmail.com]
Sent: Thursday, December 08, 2011 2:15 PM
To: user@cassandra.apache.org
Subject: Re: Single node
You can add a DNS entry
Hello (5-nodes, RF=3, 32GB RAM, 0.8.6, BOP, 6x2.33Ghz AMD cores)
I'm encountering a weird issue on my CPU-bound workload. Basically I have
two processes
- one is sending counter increments as fast as it can for a couple tens of
seconds. When few were issued it sleeps for 30 seconds
- another is
0.6.12, we had serious problem with 0.7.x and 0.8.x
On 12/08/2011 04:50 PM, Attila Babo wrote:
0.6.12, we had serious problem with 0.7.x and 0.8.x
Seriously folks - dont make the choice to run 0.6.x build now, that
would be like burning all our books (and e-books, and internets) and
returning to the dark ages by choice.
0.7.x is the first
Hi,
Here is what I do, starting from 4 0.6.13 nodes with RF 2:
- repair all the nodes
- compact all the nodes
- upgrade to 1.0
- scrub all the nodes
- repair all the nodes
- compact all the nodes
- move one node to a new token
For some requests, I don't get the same result before and after the
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