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Status Delivered
Workspace DataStage
Created by Guest
Created on Apr 4, 2016

Bind error when starting DataStage Player process

The tcpip communications are held between Section Leader and Player.
Many DataStage jobs are executed concurrently, and many players included in the job are invoked, then a plenty of socket bind errors(EADDRINUSE) have occurred.
In current version of DataStage, all bind requests are always started from predefined port number(defined at APT_PLAYER_CONNECTION_PORT), then a bind error(EADDRINUSE) is returned if it is used with pre-invoked request, then next port number is examined.
Almost CPU time will be consummed with this bind error handling implementation.
Please improve the implementation of finding any port available without bind errors.

The below are the requirements for a patch from the project.
Only any new APTXXX paramater is allowed for the patch defined at DataStage project.
DataStage job compilation should not be required.
  • Admin
    Scott Brokaw
    Oct 18, 2020

    APT_CONNECTION_PORT_RANGE implement random port numbers being generated for conductor and player processes.