2010/3/3 Ted Zlatanov t...@lifelogs.com:
On Mon, 01 Mar 2010 12:15:11 -0600 Ted Zlatanov t...@lifelogs.com wrote:
TZ I need to find Cassandra servers on my network from several types of
TZ clients and platforms. The goal is to make adding and removing servers
TZ painless, assuming a leading
On Wed, 3 Mar 2010 08:41:18 -0600 Gary Dusbabek gdusba...@gmail.com wrote:
GD It wouldn't be a lot work for you to write a mdns service that would
GD query the seeds for endpoints and publish it to interested clients.
GD It could go in contrib.
This requires knowledge of the seeds so I need to
2010/3/3 Ted Zlatanov t...@lifelogs.com:
On Wed, 3 Mar 2010 08:41:18 -0600 Gary Dusbabek gdusba...@gmail.com wrote:
GD It wouldn't be a lot work for you to write a mdns service that would
GD query the seeds for endpoints and publish it to interested clients.
GD It could go in contrib.
This
On Wed, 3 Mar 2010 09:32:33 -0600 Gary Dusbabek gdusba...@gmail.com wrote:
GD 2010/3/3 Ted Zlatanov t...@lifelogs.com:
This requires knowledge of the seeds so I need to at least look in
storage-conf.xml to find them. Are you saying there's no chance of
Cassandra nodes (or just seeds)
On Wed, 2010-03-03 at 10:05 -0600, Ted Zlatanov wrote:
I can do a patch+ticket for this in the core, making it optional and
off by default, or do the same for a contrib/ service as you
suggested. So I'd appreciate a +1/-1 quick vote on whether this can
go in the core to save me from rewriting
So is the current general practice to connect to a known node, e.g. by ip
address?
If so, what happens if that node is down? Is the entire cluster effectively
broken at that point?
Or do clients simply maintain a list of nodes a just connect to the first
available in the list?
Thanks in
On Wed, 03 Mar 2010 10:43:19 -0600 Eric Evans eev...@rackspace.com wrote:
EE It's entirely possible that you've identified a problem that others
EE can't see, or haven't yet encountered. I don't see it, but then maybe
EE I'm just thick.
Getting back to my original question, how do you (and
+1 on erics comments
We could create a branch or git fork where you guys could develop it,
and if it reaches a usable state and others find it interesting it
could get integrated in then
On 3/3/10, Eric Evans eev...@rackspace.com wrote:
On Wed, 2010-03-03 at 10:05 -0600, Ted Zlatanov wrote:
I
On Wed, 3 Mar 2010 09:04:37 -0800 Ryan King r...@twitter.com wrote:
RK Something like RRDNS is no more complex that managing a list of seed nodes.
How do your clients at Twitter find server nodes? Do you just run them
local to each node?
My concern is that both RRDNS and seed node lists are
At Digg we have automated infrastructure. We use Puppet + our own in-house
system that allows us to query pools of nodes for 'seeds'. Config files like
storage-conf.xml are auto generated on the fly, and we randomly pick a set of
seeds.
Seeds can be per datacenter as well. As soon as a
2010/3/3 Ted Zlatanov t...@lifelogs.com
On Wed, 3 Mar 2010 09:04:37 -0800 Ryan King r...@twitter.com wrote:
RK Something like RRDNS is no more complex that managing a list of seed
nodes.
My concern is that both RRDNS and seed node lists are vulnerable to
individual node failure.
They're
On Wed, 3 Mar 2010 12:08:06 -0500 Ian Holsman i...@holsman.net wrote:
IH We could create a branch or git fork where you guys could develop it,
IH and if it reaches a usable state and others find it interesting it
IH could get integrated in then
Thanks, Ian. Would it be OK to do it as a patch
We appear to be reaching consensus that this is solving a non-problem,
so I have closed that ticket.
2010/3/3 Ted Zlatanov t...@lifelogs.com:
On Wed, 3 Mar 2010 12:08:06 -0500 Ian Holsman i...@holsman.net wrote:
IH We could create a branch or git fork where you guys could develop it,
IH and
On Wed, 2010-03-03 at 16:49 +, Christopher Brind wrote:
So is the current general practice to connect to a known node, e.g. by
ip address?
There are so many ways you could tackle this but...
If you're talking about provisioning/startup of new nodes, just use the
IPs of 2-4 nodes in the
On Wed, 3 Mar 2010 09:19:28 -0800 Chris Goffinet goffi...@digg.com wrote:
CG At Digg we have automated infrastructure. We use Puppet + our own
CG in-house system that allows us to query pools of nodes for
CG 'seeds'. Config files like storage-conf.xml are auto generated on
CG the fly, and we
2010/3/3 Ted Zlatanov t...@lifelogs.com:
On Wed, 3 Mar 2010 09:04:37 -0800 Ryan King r...@twitter.com wrote:
RK Something like RRDNS is no more complex that managing a list of seed
nodes.
How do your clients at Twitter find server nodes? Do you just run them
local to each node?
RRDNS +
On Wed, Mar 3, 2010 at 9:27 AM, Eric Evans eev...@rackspace.com wrote:
On Wed, 2010-03-03 at 16:49 +, Christopher Brind wrote:
So is the current general practice to connect to a known node, e.g. by
ip address?
There are so many ways you could tackle this but...
If you're talking about
On Wed, 3 Mar 2010 09:35:31 -0800 Ryan King r...@twitter.com wrote:
With seed node lists, if I get unlucky I'd be trying to hit a downed
node in which case I may as well just use RRDNS and deal with connection
failure from the start.
RK Why would you not deal with connection failure?
I mean
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