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refactor (backend): clean the booting process a bit

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naskya 2024-04-20 02:58:39 +09:00
parent e82a07c03d
commit 037b7950a2
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1 changed files with 16 additions and 8 deletions
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24
packages/backend/src/boot/master.ts
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@ -169,23 +169,31 @@ async function connectDb(): Promise<void> {
}
async function spawnWorkers(
clusterLimits: Required<Config["clusterLimits"]>,
clusterLimits: Config["clusterLimits"],
): Promise<void> {
const modes = ["web", "queue"];
const cpus = os.cpus().length;
for (const mode of modes.filter((mode) => clusterLimits[mode] > cpus)) {
if (clusterLimits.queue > cpus) {
bootLogger.warn(
`configuration warning: cluster limit for ${mode} exceeds number of cores (${cpus})`,
"config: queue cluster limit exceeds the number of cpu cores",
);
}
const total = modes.reduce((acc, mode) => acc + clusterLimits[mode], 0);
if (clusterLimits.web > cpus) {
bootLogger.warn(
"config: web cluster limit exceeds the number of cpu cores",
);
}
const total = clusterLimits.queue + clusterLimits.web;
// workers = ["web", "web", ..., "web", "queue", "queue", ..., "queue"]
const workers = new Array(total);
workers.fill("web", 0, clusterLimits?.web);
workers.fill("queue", clusterLimits?.web);
workers.fill("web", 0, clusterLimits.web);
workers.fill("queue", clusterLimits.web);
bootLogger.info(
`Starting ${clusterLimits?.web} web workers and ${clusterLimits?.queue} queue workers (total ${total})...`,
`Starting ${clusterLimits.web} web workers and ${clusterLimits.queue} queue workers (total ${total})...`,
);
await Promise.all(workers.map((mode) => spawnWorker(mode)));
bootLogger.succ("All workers started");