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lib: refactored scheduling policy assignment #32663

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lib: refactored scheduling policy assignment #32663

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21 changes: 11 additions & 10 deletions lib/internal/cluster/master.js
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Original file line number Diff line number Diff line change
Expand Up @@ -37,16 +37,17 @@ let debugPortOffset = 1;
let initialized = false;

// XXX(bnoordhuis) Fold cluster.schedulingPolicy into cluster.settings?
let schedulingPolicy = {
'none': SCHED_NONE,
'rr': SCHED_RR
}[process.env.NODE_CLUSTER_SCHED_POLICY];

if (schedulingPolicy === undefined) {
// FIXME Round-robin doesn't perform well on Windows right now due to the
// way IOCP is wired up.
schedulingPolicy = (process.platform === 'win32') ? SCHED_NONE : SCHED_RR;
}
let schedulingPolicy = process.env.NODE_CLUSTER_SCHED_POLICY;
if (schedulingPolicy === 'rr')
schedulingPolicy = SCHED_RR;
else if (schedulingPolicy === 'none')
schedulingPolicy = SCHED_NONE;
else if (process.platform === 'win32') {
// Round-robin doesn't perform well on
// Windows due to the way IOCP is wired up.
schedulingPolicy = SCHED_NONE;
} else
schedulingPolicy = SCHED_RR;

cluster.schedulingPolicy = schedulingPolicy;

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