cassandra]$ bin/nodeprobe -host 127.0.0.1 ring
DEBUG - Loading settings from bin/../conf/storage-conf.xml
Token(14446472026035954629218078815970965332) 1 0.0.0.0 |<--|
none of the servers r picking up the ring -
all 4 servers are on the seeds!
how do i make them pick the other 4 in the ring should listen be made blank
right now listen addres is 0.0.0.0
<ListenAddress>0.0.0.0</ListenAddress>
On Wed, Jul 15, 2009 at 8:49 PM, <[email protected]> wrote:
> bin/nodeprobe -host 127.0.0.1 ring
> DEBUG - Loading settings from bin/../conf/storage-conf.xml
> Token(24598770870836697279577556965837538135) 1 0.0.0.0 |<--|
>
>
> this means the ring is not working?
>
>
> 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
>
--
Bidegg worlds best auction site
http://bidegg.com
