port 7002 doesnt trying nodeprobe On Wed, Jul 15, 2009 at 4:03 PM, Anthony Molinaro < [email protected]> wrote:
> Alternatively if you are using the 0.3 release you can point a browser > at port 7002 of one of the boxes and should see all the nodes in the > list. > > -Anthony > > On Wed, Jul 15, 2009 at 05:40:27PM -0500, Michael Greene wrote: > > You can use the nodeprobe utility in bin/ to contact each node and > > make sure they see the same information. Run it with no arguments to > > see the commands you can pass it. > > > > There is also an open issue at > > https://issues.apache.org/jira/browse/CASSANDRA-252 for making this a > > little more automatic (instead of having to run nodeprobe on each node > > and check the results by hand, you can just pass in all the servers > > that you think should be able to see each other) but there's no code > > for this yet. > > > > Michael > > > > On Wed, Jul 15, 2009 at 5:33 PM, <[email protected]> wrote: > > > Mark and Jonathan > > > I have started cassandra on 4 servers with all 4 of them as seeds > > > how do i know all 4 are now part of the datastore > > > are there ways to test this > > > thanks a lot > > > > > > On Tue, Jul 14, 2009 at 8:30 AM, Mark Robson <[email protected]> wrote: > > >> > > >> 2009/7/14 <[email protected]> > > >>> > > >>> 1. If you only have 3 production servers, Cassandra may not do much > for > > >>> you. You will probably only care if you have lots more servers. 3 > servers is > > >>> a reasonable minimum for a test / dev environment > > >>> At How many servers does cassandra start really performing? > > >>> or how many servers is an ideal setup say for a game 10? > > >> > > >> It can use any number, three is probably a reasonable minimum, I don't > > >> know what the maximum is. > > >> > > >> If you have a small number of servers, there is probably no reason to > use > > >> Cassandra; you can more usefully use a conventional database with > > >> replication or sharding. > > >> > > >> The reason you might want to use Cassandra is to scale writes a lot, > to > > >> levels you couldn't reach with more "conventional" databases. > > >> > > >> In all likelihood, an application would use Cassandra to store > high-volume > > >> high-write data alongside a more conventional database to store > smaller, > > >> less frequently changing stuff. > > >> > > >> It appears to me that Cassandra 0.3 is only really useful if running > on a > > >> homogenous cluster of dedicated servers with reasonable amounts of > memory / > > >> storage (But not necessarily high spec servers of CPU, IO speed or > internal > > >> redundancy). > > >> > > >> Once the load balancing is implemented in 0.5 (according to current > plans) > > >> it will become more useful for heterogenous environments. > > >> > > >> Mark > > > > > > > > > > > > -- > > > Bidegg worlds best auction site > > > http://bidegg.com > > > > > -- > ------------------------------------------------------------------------ > Anthony Molinaro <[email protected]> > -- Bidegg worlds best auction site http://bidegg.com
