Oh, yeah, definitely set ListenAddress to blank. 0.0.0.0 doesn't mean "all interfaces" for some reason I forget.
Evan On Wed, Jul 15, 2009 at 9:23 PM, Evan Weaver<[email protected]> wrote: > Try with only one seed. Not every host has to be in the seeds. > > Evan > > On Wed, Jul 15, 2009 at 8:52 PM, <[email protected]> wrote: >> in Seeds >> can we specify domain name instead of ip address >> right now seeds is specifying ip address >> >> On Wed, Jul 15, 2009 at 4:49 PM, Evan Weaver <[email protected]> wrote: >>> >>> I sometimes have to use 127.0.0.1, at least when ListenAddress is >>> blank (auto-discover). Dunno if that has changed. >>> >>> Looks like this if you're successful: >>> >>> $ bin/nodeprobe --host 10.224.17.13 ring >>> Token(124007023942663924846758258675932114665) 3 10.224.17.13 |<--| >>> Token(106858063638814585506848525974047690568) 3 10.224.17.19 | ^ >>> Token(141130545721235451315477340120224986045) 3 10.224.17.14 |-->| >>> >>> Evan >>> >>> On Wed, Jul 15, 2009 at 4:24 PM, Michael Greene<[email protected]> >>> wrote: >>> > The port you're looking for is typically 8080, but if you only specify >>> > the host and not the port it shoudl work just fine. >>> > >>> > bin/nodeprobe -host localhost >>> > >>> > Michael >>> > >>> > On Wed, Jul 15, 2009 at 6:18 PM, <[email protected]> wrote: >>> >> bin]$ ./nodeprobe -host localhost -port 8888 >>> >> Error connecting to remote JMX agent! >>> >> java.io.IOException: Failed to retrieve RMIServer stub: >>> >> javax.naming.CommunicationException [Root exception is >>> >> java.rmi.ConnectIOException: error during JRMP connection >>> >> establishment; >>> >> nested exception is: >>> >> java.io.EOFException] >>> >> at >>> >> javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:342) >>> >> at >>> >> >>> >> javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:267) >>> >> at >>> >> org.apache.cassandra.tools.NodeProbe.connect(NodeProbe.java:149) >>> >> at >>> >> org.apache.cassandra.tools.NodeProbe.<init>(NodeProbe.java:111) >>> >> at >>> >> org.apache.cassandra.tools.NodeProbe.main(NodeProbe.java:470) >>> >> Caused by: javax.naming.CommunicationException [Root exception is >>> >> java.rmi.ConnectIOException: error during JRMP connection >>> >> establishment; >>> >> nested exception is: >>> >> java.io.EOFException] >>> >> at >>> >> >>> >> com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java:118) >>> >> at >>> >> >>> >> com.sun.jndi.toolkit.url.GenericURLContext.lookup(GenericURLContext.java:203) >>> >> at javax.naming.InitialContext.lookup(InitialContext.java:409) >>> >> at >>> >> >>> >> javax.management.remote.rmi.RMIConnector.findRMIServerJNDI(RMIConnector.java:1902) >>> >> at >>> >> >>> >> javax.management.remote.rmi.RMIConnector.findRMIServer(RMIConnector.java:1871) >>> >> at >>> >> javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:276) >>> >> ... 4 more >>> >> Caused by: java.rmi.ConnectIOException: error during JRMP connection >>> >> establishment; nested exception is: >>> >> java.io.EOFException >>> >> at >>> >> sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:304) >>> >> at >>> >> sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:202) >>> >> at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:340) >>> >> at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source) >>> >> at >>> >> >>> >> com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java:114) >>> >> ... 9 more >>> >> Caused by: java.io.EOFException >>> >> at java.io.DataInputStream.readByte(DataInputStream.java:267) >>> >> at >>> >> sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:246) >>> >> ... 13 more >>> >> >>> >> On Wed, Jul 15, 2009 at 4:17 PM, <[email protected]> wrote: >>> >>> >>> >>> 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 >>> >> >>> >> >>> >> >>> >> -- >>> >> Bidegg worlds best auction site >>> >> http://bidegg.com >>> >> >>> > >>> >>> >>> >>> -- >>> Evan Weaver >> >> >> >> -- >> Bidegg worlds best auction site >> http://bidegg.com >> > > > > -- > Evan Weaver > -- Evan Weaver
