How to perform specific actions when starting an InterSystems product |

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Hiroshi Sato · Jun 6 1m read

#System Administration #Tips & Tricks #Caché #Ensemble #InterSystems IRIS #InterSystems IRIS for Health

InterSystems FAQ rubric

If you want to run an OS executable file, command, or a program created within an InterSystems product when the InterSystems product starts, write the processing in the SYSTEM^%ZSTART routine. (The %ZSTART routine is created in the %SYS namespace).

Before you write any code in SYSTEM^%ZSTART, make sure that it works properly under all conditions.

If the ^%ZSTART routine is written incorrectly, or if it is written correctly but the command does not return a response or an error occurs during processing, InterSystems products may not be able to start.

For more information, please refer to the following document.

About writing %ZSTART and %ZSTOP routines [IRIS]
About writing %ZSTART and %ZSTOP routines

Go to the original post written by @Hiroshi Sato

Oliver Thompson · Jun 20

One other thing to note is that you should not put any long running processes in %ZSTART as they will hold up the Start process.

If you have to, then consider JOBbing it off to a separate process, so it can run in the background and allow the rest of the startup steps to run in parallel.

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