On 20 June 2017 at 14:50, Paul Gilmartin <[email protected]> wrote: > I've always thought of STCKF clashes as a >>theoretical problem not likely to be encountered in one's lifetime. >>The APAR description suggests, without clearly saying so, that this >>has happened at multiple customer sites. >> >>If you're one in a million, and you live in a city of three million people... >> > It may be far worse than that: https://en.wikipedia.org/wiki/Birthday_problem
Fair enough, but actually the STCKF problem isn't mostly an instance of the birthday problem; it's just a matter of machines being much faster now than they used to be, and of a CICS programmer using the wrong instruction. STCKE is the solution for a long long time, as STCK once was. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
