• web/root/api/events.ssjs

    From Rob Swindell@VERT to Git commit to sbbs/master on Monday, September 07, 2020 07:33:22
    https://gitlab.synchro.net/sbbs/sbbs/-/commit/2e847de9f934be251c9f7d12
    Modified Files:
    web/root/api/events.ssjs
    Log Message:
    It was observed that httpSess threads would consume ~15% of a CPU

    Using Linux top, long-running (hundreds of hours) httpSess threads were seen consuming ~15% of a CPU core. This loop calls time() and yield() in a tight loop, so instead mswait(50) (milliseconds), which reduces the CPU utilization considerable (down to < 1%), but will slightly impact the frequency with
    which the events callbacks are invoked. A better scheme would be to block
    while waiting for an event or a timeout (e.g. 1 second), so this is not a
    great solution. More of a work-around.

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