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From Andrey Ilinykh <ailin...@gmail.com>
Subject Re: Cassandra on EC2 - describe_ring() is giving private IPs
Date Wed, 12 Dec 2012 17:40:52 GMT
It makes sense. rpc_address is interface to listen. Try to set up public IP
to broadcast_address.

Andrey


On Wed, Dec 12, 2012 at 9:33 AM, santi kumar <santi.kumar@gmail.com> wrote:

> When I configured rpc_address with public IP, cassandra is not starting
> up. It's trowing 'unable to create thrift socket on <public IP>. When I
> changed it to private IP, it was good.
>
> java.lang.RuntimeException: Unable to create thrift socket to /
> 107.21.80.94:9160
>         at
> org.apache.cassandra.thrift.CassandraDaemon$ThriftServer.<init>(CassandraDaemon.java:148)
>         at
> org.apache.cassandra.thrift.CassandraDaemon.startServer(CassandraDaemon.java:76)
>         at
> org.apache.cassandra.service.AbstractCassandraDaemon.startRPCServer(AbstractCassandraDaemon.java:300)
>         at
> org.apache.cassandra.service.AbstractCassandraDaemon.start(AbstractCassandraDaemon.java:272)
>         at
> org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:369)
>         at
> org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:107)
> Caused by: org.apache.thrift.transport.TTransportException: Could not
> create ServerSocket on address /107.21.80.94:9160.
>         at
> org.apache.cassandra.thrift.TCustomServerSocket.<init>(TCustomServerSocket.java:80)
>         at
> org.apache.cassandra.thrift.CassandraDaemon$ThriftServer.<init>(CassandraDaemon.java:141)
>
>
>
> On Wed, Dec 12, 2012 at 3:34 AM, aaron morton <aaron@thelastpickle.com>wrote:
>
>> Though I configured the listen_address with public dns, still I had the
>> same issue.
>>
>> Internally the public DNS resolves to the private IP.
>>
>> looks like describe_ring() is the one which provides the details.
>>
>> describe_ring() returns includes the registered RPC addresses for the
>> nodes. Trying setting the rpc_address to the public IP.
>>
>> Cheers
>>
>>    -----------------
>> Aaron Morton
>> Freelance Cassandra Developer
>> New Zealand
>>
>> @aaronmorton
>> http://www.thelastpickle.com
>>
>> On 11/12/2012, at 11:32 PM, santi kumar <santi.kumar@gmail.com> wrote:
>>
>> We have a 4 node cluster in us-east region in two different AZ's. Clients
>> connect to this cluster from our datacenter which is not on AWS.
>>
>> Hector clients are initialized with public DNS names, then
>> listern_address is with private ip and rpc_address is with 0.0.0.0.
>>
>> Having issues with Node Auto Discovery by Hector. When it's trying to
>> discover the ring, the end points are initialized with private IP's for all
>> Token Ranges. It checks with the existing hosts (which are initialized
>> public DNS) and thinks that there is a new node got added to the cluster.
>>
>> looks like describe_ring() is the one which provides the details. Though
>> I configured the listen_address with public dns, still I had the same
>> issue.
>>
>> Any idea, what is the best way to configure for EC2. Have gone through
>> the link
>>
>> https://docs.google.com/document/d/175duUNIx7m5mCDa2sjXVI04ekyMa5bdiWdu-AFgisaY/edit?hl=en
>>
>> But not sure whether it's fixed in 1.1.4. When I run the nodetool ring,
>> it gives the private ips. But in the above doc, it shows the public IPs as
>> part of nodetool ring.
>>
>> Some insight into this is really helpful.
>>
>> Thanks
>> Santi
>>
>>
>>
>

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