cassandra-stress failing with connection refused error

[ajaysaheb@gmail.com]

I am trying to run cassandra-stress against the scylladb cluster I have deployed. But I am getting a "Connection refused" error back.  This is how I am starting my scylladb. 

/usr/bin/scylla --log-to-syslog 1 \

                --log-to-stdout 0 \

                --developer-mode true \

                --default-log-level info \

                --options-file $HOME/scylla.yaml \

                --listen-address $IP \

                --rpc-address $IP \

                --memory 16G \

                --smp 8 \

                --network-stack posix &

Error from cassandra-stress 

Exception in thread "main" java.lang.RuntimeException: org.apache.thrift.transport.TTransportException: java.net.ConnectException: Connection refused

       at org.apache.cassandra.stress.settings.StressSettings.getRawThriftClient(StressSettings.java:144)

       at org.apache.cassandra.stress.settings.StressSettings.getRawThriftClient(StressSettings.java:110)

       at org.apache.cassandra.stress.settings.SettingsSchema.createKeySpacesThrift(SettingsSchema.java:111)

       at org.apache.cassandra.stress.settings.SettingsSchema.createKeySpaces(SettingsSchema.java:59)

       at org.apache.cassandra.stress.settings.StressSettings.maybeCreateKeyspaces(StressSettings.java:205)

       at org.apache.cassandra.stress.StressAction.run(StressAction.java:55)

       at org.apache.cassandra.stress.Stress.main(Stress.java:109)

Caused by: org.apache.thrift.transport.TTransportException: java.net.ConnectException: Connection refused

       at org.apache.thrift.transport.TSocket.open(TSocket.java:187)

       at org.apache.thrift.transport.TFramedTransport.open(TFramedTransport.java:81)

       at org.apache.cassandra.thrift.TFramedTransportFactory.openTransport(TFramedTransportFactory.java:41)

       at org.apache.cassandra.stress.settings.StressSettings.getRawThriftClient(StressSettings.java:124)

       ... 6 more

Caused by: java.net.ConnectException: Connection refused

       at java.net.PlainSocketImpl.socketConnect(Native Method)

       at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)

       at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)

       at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)

       at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)

       at java.net.Socket.connect(Socket.java:589)

       at org.apache.thrift.transport.TSocket.open(TSocket.java:182)

       ... 9 more

[Dor Laor]

Can you cqlsh it?

Does scylla listens on the right ip/port?

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[ajaysaheb@gmail.com]

Yes, but I have to downgrade the version to 3.2.0

cqlsh --cqlversion=3.2.0 <host> 9042

[cqlsh 5.0.1 | Cassandra 2.1.8 | CQL spec 3.2.0 | Native protocol v3]

Use HELP for help.

cqlsh> 

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[ajaysaheb@gmail.com]

I am running cassandra-stress from inside a cassandra installation (version 2.1.13). Is that supposed to work against scylladb or is there a scylladb specific one that I should be using? My scylladb version is 1.2.3

[Glauber Costa]

On Fri, Aug 19, 2016 at 2:42 PM, <ajay...@gmail.com> wrote:

I am running cassandra-stress from inside a cassandra installation (version 2.1.13). Is that supposed to work against scylladb or is there a scylladb specific one that I should be using? My scylladb version is 1.2.3

there is a scylla specific version. It should be provided by the scylla-tools package.

We have some changes there - none of them should affect the actual benchmark (ex: not using thrift to create the keyspace, etc)

We recommend you use cqlsh from that package as well. The main reason is that you'll always match the correct protocol version with what the server supports.

 

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[ajay aggarwal]

Thank you. The Scylla specific version worked.