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add stratum worker backpressure

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Ben
2026-05-07 23:56:55 -04:00
parent 2d6d2afacb
commit c5169e105e
2 changed files with 228 additions and 6 deletions
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src/services/stratum-v1.service.spec.ts
+51
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@@ -5,10 +5,12 @@ describe('StratumV1Service', () => {
const originalStratumPorts = process.env.STRATUM_PORTS;
const originalStratumSecure = process.env.STRATUM_SECURE;
const originalSecureStratumPorts = process.env.SECURE_STRATUM_PORTS;
const originalBackpressureEnabled = process.env.STRATUM_BACKPRESSURE_ENABLED;
let service: StratumV1Service;
let clientService;
let consoleLogSpy: jest.SpyInstance;
let consoleWarnSpy: jest.SpyInstance;
beforeEach(() => {
jest.useFakeTimers();
@@ -26,6 +28,7 @@ describe('StratumV1Service', () => {
{} as any
);
consoleLogSpy = jest.spyOn(console, 'log').mockImplementation(() => undefined);
consoleWarnSpy = jest.spyOn(console, 'warn').mockImplementation(() => undefined);
});
afterEach(() => {
@@ -33,7 +36,9 @@ describe('StratumV1Service', () => {
restoreEnv('STRATUM_PORTS', originalStratumPorts);
restoreEnv('STRATUM_SECURE', originalStratumSecure);
restoreEnv('SECURE_STRATUM_PORTS', originalSecureStratumPorts);
restoreEnv('STRATUM_BACKPRESSURE_ENABLED', originalBackpressureEnabled);
consoleLogSpy.mockRestore();
consoleWarnSpy.mockRestore();
jest.useRealTimers();
});
@@ -68,6 +73,52 @@ describe('StratumV1Service', () => {
expect(startSecureSocketServerSpy).toHaveBeenCalledWith(4333);
});
it('should pause listeners when worker backpressure is high', () => {
const close = jest.fn((callback?: (error?: Error) => void) => callback?.());
(service as any).listeners.push({
port: 3333,
secure: false,
server: { close },
paused: false
});
jest.spyOn(service as any, 'getEventLoopP95Ms').mockReturnValue(5000);
jest.spyOn(service as any, 'getBackpressureEventLoopP95Ms').mockReturnValue(2000);
(service as any).checkBackpressure();
expect(close).toHaveBeenCalled();
expect((service as any).listeners[0].paused).toBe(true);
expect((service as any).listeners[0].server).toBeNull();
expect(consoleWarnSpy).toHaveBeenCalledWith(expect.stringContaining('Pausing Stratum accepts'));
});
it('should resume listeners after consecutive healthy backpressure checks', () => {
(service as any).listeners.push({
port: 3333,
secure: false,
server: null,
paused: true
});
jest.spyOn(service as any, 'getEventLoopP95Ms').mockReturnValue(50);
jest.spyOn(service as any, 'getBackpressureEventLoopP95Ms').mockReturnValue(2000);
jest.spyOn(service as any, 'getBackpressureResumeEventLoopP95Ms').mockReturnValue(250);
jest.spyOn(service as any, 'getBackpressureResumeRssMb').mockReturnValue(Number.MAX_SAFE_INTEGER);
jest.spyOn(service as any, 'getBackpressureHealthyChecks').mockReturnValue(2);
const listenSpy = jest.spyOn(service as any, 'listen').mockImplementation((listener: any) => {
listener.server = {};
listener.paused = false;
});
(service as any).checkBackpressure();
expect(listenSpy).not.toHaveBeenCalled();
(service as any).checkBackpressure();
expect(listenSpy).toHaveBeenCalledWith((service as any).listeners[0]);
expect((service as any).listeners[0].paused).toBe(false);
expect(consoleWarnSpy).toHaveBeenCalledWith(expect.stringContaining('Resuming Stratum accepts'));
});
function restoreEnv(key: string, value: string | undefined) {
if (value == null) {
delete process.env[key];