In Cassandra 2.0.12, we are seeing a hundreds of these warning in every node...
WARN [Thrift-Selector_16] 2015-03-31 00:48:49,700 Message.java (line 364) Got an IOException in internalRead! java.io.IOException: Connection reset by peer at sun.nio.ch.FileDispatcherImpl.read0(Native Method) at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39) at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223) at sun.nio.ch.IOUtil.read(IOUtil.java:197) at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:379) at org.apache.thrift.transport.TNonblockingSocket.read(TNonblockingSocket.java:141) at com.thinkaurelius.thrift.util.mem.Buffer.readFrom(Buffer.java:96) at com.thinkaurelius.thrift.Message.internalRead(Message.java:360) at com.thinkaurelius.thrift.Message.read(Message.java:146) at com.thinkaurelius.thrift.TDisruptorServer$SelectorThread.handleRead(TDisruptorServer.java:588) at com.thinkaurelius.thrift.TDisruptorServer$SelectorThread.processKey(TDisruptorServer.java:567) at com.thinkaurelius.thrift.TDisruptorServer$AbstractSelectorThread.select(TDisruptorServer.java:423) at com.thinkaurelius.thrift.TDisruptorServer$AbstractSelectorThread.run(TDisruptorServer.java:383) Rafael Caraballo ________________________________ This E-mail and any of its attachments may contain Time Warner Cable proprietary information, which is privileged, confidential, or subject to copyright belonging to Time Warner Cable. This E-mail is intended solely for the use of the individual or entity to which it is addressed. If you are not the intended recipient of this E-mail, you are hereby notified that any dissemination, distribution, copying, or action taken in relation to the contents of and attachments to this E-mail is strictly prohibited and may be unlawful. If you have received this E-mail in error, please notify the sender immediately and permanently delete the original and any copy of this E-mail and any printout.