Network Performance Metrics¶
HADTWO-1625: QDS sends the following two new metrics to the Ganglia server to help detect network performance issues on worker nodes:
ping.packet.loss: The percentage packet loss during a
pingcommand from a worker node to the master node.
ping.time: The Return Travel Time (RTT) for a
pingcommand sending 1000 packets to the master node.
- HADTWO-1780: Ports the open-source fix HDFS-3384 to QDS to resolve the
DFSClientbug that reported
java.io.EOFException: Premature EOF: no length prefix available.