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Does multi-user event scheduling affect database performance?

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PHP Mining machine users click to start mining database of the specified field per second plus 1 this with event scheduling can be implemented, but multi-user situation, with multiple events scheduling? This has no effect on MySQL's performance

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PHP Mining machine users click to start mining database of the specified field per second plus 1 this with event scheduling can be implemented, but multi-user situation, with multiple events scheduling? This has no effect on MySQL's performance

Should be scheduled with the same event, but the thread is not the same, and did not go into the test, but the additional thread consumption on the performance of how much will affect it?

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