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DEEP-26 Fixes for anomalies

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This commit is contained in:
Andrey Shabarshov 2023-07-11 16:36:52 +01:00
parent dc67d69bd2
commit 45cbc234ce
3 changed files with 43 additions and 33 deletions
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61
QRBee.Load.Generator/LoadGenerator.cs
View File

@ -14,6 +14,10 @@ internal class LoadGenerator : IHostedService
private readonly ILogger<LoadGenerator> _logger;
private readonly IOptions<GeneratorSettings> _settings;
private TimeSpan _spikeDuration;
private TimeSpan _spikeDelay;
private double _spikeProbability;
public LoadGenerator(
QRBee.Core.Client.Client client,
ClientPool clientPool,
@ -27,6 +31,28 @@ internal class LoadGenerator : IHostedService
_paymentRequestGenerator = paymentRequestGenerator;
_logger = logger;
_settings = settings;
var loadSpike = _settings.Value.LoadSpike;
_spikeDuration = TimeSpan.Zero;
_spikeDelay = TimeSpan.Zero;
_spikeProbability = loadSpike?.Probability ?? 0.0;
if (loadSpike != null && loadSpike.Probability > 0.0)
{
if (!loadSpike.Parameters.TryGetValue("Duration", out var duration)
|| !TimeSpan.TryParse(duration, out _spikeDuration))
{
_spikeProbability = 0.0;
}
else
{
if (!loadSpike.Parameters.TryGetValue("Delay", out duration)
|| !TimeSpan.TryParse(duration, out _spikeDelay))
{
_spikeDelay = TimeSpan.FromMilliseconds(10);
}
}
}
}
public async Task StartAsync(CancellationToken cancellationToken)
{
@ -114,7 +140,7 @@ internal class LoadGenerator : IHostedService
var tasks = newQueue.ToList();
while (tasks.Any(x => !x.IsCompleted))
while (tasks.Any())
{
try
{
@ -127,6 +153,7 @@ internal class LoadGenerator : IHostedService
{
Interlocked.Increment(ref _paymentsFailed);
_logger.LogError(ex, "Confirmation thread");
tasks = tasks.Where(x => x != null).ToList();
}
}
}
@ -205,27 +232,6 @@ internal class LoadGenerator : IHostedService
await Task.Delay(500 + _rng.Next() % 124);
var spikeEnd = DateTime.MinValue;
var loadSpike = _settings.Value.LoadSpike;
var spikeDuration = TimeSpan.Zero;
var spikeDelay = TimeSpan.Zero;
var spikeProbability = loadSpike?.Probability ?? 0.0;
if ( loadSpike != null && loadSpike.Probability > 0.0 )
{
if ( !loadSpike.Parameters.TryGetValue("Duration", out var duration)
|| !TimeSpan.TryParse( duration, out spikeDuration ) )
{
spikeProbability = 0.0;
}
else
{
if (!loadSpike.Parameters.TryGetValue("Delay", out duration)
|| !TimeSpan.TryParse(duration, out spikeDelay))
{
spikeDelay = TimeSpan.FromMilliseconds(10);
}
}
}
while (true)
{
@ -249,12 +255,13 @@ internal class LoadGenerator : IHostedService
if (DateTime.Now > spikeEnd)
{
if (loadSpike != null && _rng.NextDouble() < spikeProbability)
var dice = _rng.NextDouble();
if (dice < _spikeProbability)
{
// start load spike
spikeEnd = DateTime.Now + spikeDuration;
_logger.LogWarning($"Anomaly: Load spike until {spikeEnd}");
await Task.Delay(spikeDuration);
spikeEnd = DateTime.Now + _spikeDuration;
_logger.LogWarning($"Anomaly: Load spike until {spikeEnd} Dice={dice}");
await Task.Delay(_spikeDelay);
}
else
{
@ -266,7 +273,7 @@ internal class LoadGenerator : IHostedService
}
else
{
await Task.Delay(spikeDuration);
await Task.Delay(_spikeDelay);
}
}
}

7
QRBee.Load.Generator/PaymentRequestGenerator.cs
View File

@ -32,6 +32,8 @@ internal class PaymentRequestGenerator
if (_largeAmountValue <= 0.0)
_largeAmountProbability = 0.0;
else
_logger.LogDebug($"Large amount spike configured: Probability={_largeAmountProbability} Value=\"{_largeAmountValue}\"");
}
public async Task<PaymentRequest> GeneratePaymentRequest(int clientId, int merchantId)
@ -79,9 +81,10 @@ internal class PaymentRequestGenerator
private decimal GetAmount()
{
if (_rng.NextDouble() < _largeAmountProbability)
var dice = _rng.NextDouble();
if (dice < _largeAmountProbability)
{
_logger.LogWarning($"Anomaly: Large amount");
_logger.LogWarning($"Anomaly: Large amount Dice={dice}");
return Convert.ToDecimal(_rng.NextDoubleInRange(_largeAmountValue, _largeAmountValue* 1.10));
}
return Convert.ToDecimal(_rng.NextDoubleInRange(_minAmount, _maxAmount));

8
QRBee.Load.Generator/appsettings.json
View File

@ -14,8 +14,8 @@
"GeneratorSettings": {
"NumberOfClients": 100,
"NumberOfMerchants": 10,
"NumberOfThreads": 20,
"DelayBetweenMessagesMSec": 100,
"NumberOfThreads": 10,
"DelayBetweenMessagesMSec": 300,
"DelayJitterMSec": 50,
"MinAmount": 10,
"MaxAmount": 100,
@ -23,7 +23,7 @@
"LoadSpike": {
"Probability": 0.001,
"Parameters": {
"Duration": "00:00:05",
"Duration": "00:00:15",
"Delay": "00:00:00.0100000"
}
},
@ -31,7 +31,7 @@
"LargeAmount": {
"Probability": 0.03,
"Parameters": {
"Valie": "1_000"
"Value": "1000"
}
}
}