I had several users whose jobs would end abnormally after about three hours of work because the Process Access Group (PAG) would grow beyond the 4MG limit. I was finally able to track down the problem.
A programmer used the FREE op code to close down an RPG program, removing the program from memory but not closing the open data paths (ODPs) for the files. The program with the FREE op code was called many times; each time it opened new ODPs over the same files. After about three hours, the PAG was so full of ODPs that the job ended abnormally. Taking FREE out and setting on *INLR solved the problem.
Business users want new applications now. Market and regulatory pressures require faster application updates and delivery into production. Your IBM i developers may be approaching retirement, and you see no sure way to fill their positions with experienced developers. In addition, you may be caught between maintaining your existing applications and the uncertainty of moving to something new.
IT managers hoping to find new IBM i talent are discovering that the pool of experienced RPG programmers and operators or administrators with intimate knowledge of the operating system and the applications that run on it is small. This begs the question: How will you manage the platform that supports such a big part of your business? This guide offers strategies and software suggestions to help you plan IT staffing and resources and smooth the transition after your AS/400 talent retires. Read on to learn:
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