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]>
