TCP traffic loss, delay, or retransmissions to Java applications

Solution Verified - Updated -


  • Java application suffers delay receiving network traffic
  • Packet capture shows TCP Retransmissions to RHEL system running Java application
  • There is sometimes a delay in TCP ACK from the system where our JVM app runs
  • TCP data cannot be transferred smoothly to Java app
  • We can see errors in the socket buffers from netstat -s:
123456 packets pruned from receive queue because of socket buffer overrun
234567 packets collapsed in receive queue due to low socket buffer


  • Red Hat Enterprise Linux
  • Java application platform

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