Stopping gearman workers nicely

Question

I have a number of Gearman workers running constantly, saving things like records of user page views, etc. Occasionally, I\'ll update the PHP code that is used by the Gearman w

Answer 1

Solution 1

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Generally I run my workers with the unix daemon utility with the -r flag and let them expire after one job. Your script will end gracefully after each iteration and daemon will restart automatically.

Your workers will be stale for one job but that may not be as big a deal to you as losing data

This solution also has the advantage of freeing up memory. You may run into problems with memory if you're doing large jobs as PHP pre 5.3 has god awful GC.

Solution 2

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You could also add a quit function to all of your workers that exits the script. When you'd like to restart you simply give gearman calls to quit with a high priority.