public async Task ResizeToRecommendedAsync(LambdaSizeCalculationResult result, string regionName, string functionName)
{
if (result.OriginalMemory != result.Recommended.MemoryAllocated)
{
var conProvider = new LambdaConnectionProvider();
var client = conProvider.GetLambdaClient(regionName);
var resizer = new LambdaResizer(client);
await resizer.Resize(functionName, result.Recommended.MemoryAllocated);
Console.WriteLine("successfully resized.");
}
}
public async Task <LambdaSizeCalculationResult> RunOptimizerAsync(string regionName, string functionName, string payloadFilePath, bool startFrom64, double acceptableDropInPerformance)
{
var conProvider = new LambdaConnectionProvider();
var client = conProvider.GetLambdaClient(regionName);
var runner = new LambdaTestRunner(client);
var originalResult = await runner.RunTestAsync(new LambdaInvocationRequest(functionName, LambdaInvocationType.RequestResponse, payloadFilePath));
var sizes = new LambdaSizeListProvider(startFrom64).GetLambdaSizes(originalResult.MemoryUsed).Where(x => x != originalResult.MemoryAllocated).ToList();
var resizer = new LambdaResizer(client);
var results = new List <LambdaSizeCalculationResultItem>(sizes.Count + 1);
results.Add(originalResult);
bool didResizeHappen = false;
try
{
foreach (var size in sizes)
{
await resizer.Resize(functionName, size);
didResizeHappen = true;
var result = await runner.RunTestAsync(new LambdaInvocationRequest(functionName, LambdaInvocationType.RequestResponse, payloadFilePath));
results.Add(result);
}
}
finally
{
if (didResizeHappen)
{
try
{
await resizer.Resize(functionName, originalResult.MemoryAllocated);
}
catch (Exception)
{
Console.WriteLine("ATTENTION ATTENTION ATTENTION ATTENTION ATTENTION ATTENTION");
Console.WriteLine($"Resize to original memory size '{originalResult.MemoryAllocated}' failed, do it manually.");
Console.WriteLine("ATTENTION ATTENTION ATTENTION ATTENTION ATTENTION ATTENTION");
throw;
}
}
}
var calc = new LambdaBestSizeCalculator();
var calculatedResult = calc.Calculate(results, acceptableDropInPerformance, originalResult.MemoryAllocated);
return(calculatedResult);
}