Hi,
First time here. I'm having trouble adding a third node to an existing 2-node
ring (successfully upgraded from 0.72) running cassandra 0.8rc1 (successfully
upgraded from 0.72) on ubuntu on EC2.
Evidently the seed node is working as the second node is already talking to it,
nodetool lists b
On 24 May 2011, at 19:33, Sameer Farooqui wrote:
> What region and availability zones are the different nodes in? Are you using
> EC2 Snitch? Did you set up the cluster using the Datastax AMI?
The two existing ones are in us-east-1c and us-east-1d, the new one is in
us-east-1c, so all same regi
On 25 May 2011, at 02:10, aaron morton wrote:
> Check the listen_address and rpc_address in the yaml file for each node. I
> think they are normally set to the private and public respectively.
On all modes, listen_address and rpc_address are blank and 0.0.0.0
respectively, the seed node addres
On 24 May 2011, at 23:58, Sameer Farooqui wrote:
> Even with AutoBootstrap it is recommended that you always specify the
> InitialToken on the new node because the picking of an initial token will
> almost certainly result in an unbalanced ring.
>
> Right now, I'm afraid that if you simply copi
On 26 May 2011, at 00:17, aaron morton wrote:
> I've seen discussion of using the EIP but I do not have direct experience.
The idea is not to use the external IP, but the external DNS name because of
this very useful trick (please excuse me if you already know this!):
Say the DNS name of an el
Thanks for all your helpful suggestions - I've now got it working. It was down
to a combination of things.
1. A missing rule in a security group
2. A missing DNS name for the new node, so its default name was defaulting to
localhost
3. Google DNS caching the failed DNS lookup for the full durati
On 24 May 2011, at 23:58, Sameer Farooqui wrote:
> So, once you know what token each of the 3 nodes should have, shut down the
> first two nodes, change their tokens and add the correct token to the 3rd
> node (in the YAML file).
I'd like to make sure I've got the right sequence of operations f
On 26 May 2011, at 15:21, Sasha Dolgy wrote:
> Turn the node off, remove the node from the ring using nodetool and
> removetoken i've found this to be the best problem-free way.
> Maybe it's better now ...
> http://blog.sasha.dolgy.com/2011/03/apache-cassandra-nodetool.html
So I'd need to ha
Are there separate repos/packages for stable/unstable releases of Cassandra? I
was a bit surprised to find the official debian repo pushing out 0.8b2 as a
normal update to the cassandra package. Would it not be better to have a
cassandra-unstable package for bleeding edge and plain cassandra for
On 27 May 2011, at 10:10, Marcus Bointon wrote:
> Are there separate repos/packages for stable/unstable releases of Cassandra?
> I was a bit surprised to find the official debian repo pushing out 0.8b2 as a
> normal update to the cassandra package. Would it not be better to have a
&g
On 30 May 2011, at 10:59, Amrita Jayakumar wrote:
> I am new to cassandra. I am trying to start the Cassandra single node setup
> using the command
> bin/cassandra -f. But there is no response from the prompt.. this is what it
> shows
I'm new to this too, but I think you're looking at the wron
On 31 May 2011, at 08:28, Amrita Jayakumar wrote:
> Can you please tell me what is thrift and what is it used for??? I mean is it
> necessary to use cassandra? do i have to install it separately??? or does it
> come along with the cassandra package?
It's the underlying protocol stack that cassa
On 31 May 2011, at 08:56, Amrita Jayakumar wrote:
> So what you are saying is that, if i wanna write a php code to load data from
> a file into cassandra, i dont have to make any separate installations for
> thrift???
That's right. Thrift was used to generate the PHP client libraries, you don't
I'm wondering how cassandra implements appending values to fields. Since (so
the docs tell me) there's not really any such thing such thing as an update in
Cassandra, I wonder if it falls into the same trap as MySQL does. With a query
like "update x set y = concat(y, 'a') where id = 1", mysql re
On 31 May 2011, at 23:03, Dan Kuebrich wrote:
> I think perhaps OP meant O(N * M), where N is number of rows and M is total
> bytes.
That's probably more accurate.
This is what it was doing: Say I repeatedly append 100 bytes to the same 1000
records. First time around that's 100,000 bytes to
On 1 Jun 2011, at 07:03, Amrita Jayakumar wrote:
> into the php.ini file. But wen i fired locate php.ini i got many of them in
> the following locations.
>
> /etc/php5/apache2/php.ini
> /etc/php5/cgi/php.ini
> /etc/php5/cli/php.ini
> /usr/share/doc/php5-common/examples/php.ini-development
> /usr
On 1 Jun 2011, at 07:21, Amrita Jayakumar wrote:
> so i just should create a directory phpcassa in the location
> /etc/php5/conf.d/ and in phpcassa just create a file php.ini and include
> the line extension=thrift_protocol.so in it
Nearly. Just run this:
echo 'extension=thrift_protocol.
On 1 Jun 2011, at 08:12, Amrita Jayakumar wrote:
> I have deployed this code into a php file phcass.php in the ubuntu machine in
> the location /var/www/vishnu/. But nothing happens when i execute the file
> through the browser. Neither can i find the data inserted in the column
> family 'Users
A while ago I removed a node (on EC2) with decommission and removed its token.
It all seemed happy at the time, but on creating a column family, I get this:
Waiting for schema agreement...
Warning: unreachable nodes ... schemas agree across the cluster
The IP it lists is not in the ring. How do
My commit logs sometimes eat too much disk space. I see that the oldest is
about a day old, so it's clearly pruning already, but is there some way I can
clear them out manually without breaking stuff, assuming that all the
transactions they describe have been completed?
Marcus
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