Practical NET and Software Architecture Tips: Customizing Resilience Pipelines in NET 8

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2025-02-16

In .NET 8, Polly is used for building resilience pipelines, but a significant limitation exists. Once you configure standard resilience handlers globally for all clients, there’s no built-in way to override them for specific cases. This can be problematic when customization is required for certain scenarios.

To address this, you can implement a custom solution to override the default resilience pipeline. Below is a practical example of how to achieve this:

// Step 1: Define a custom resilience pipeline
var customPipeline = new ResiliencePipelineBuilder()
.AddRetry(new RetryStrategyOptions
{
MaxRetryAttempts = 3,
Delay = TimeSpan.FromSeconds(1),
OnRetry = retryArgs =>
{
Console.WriteLine($"Retry attempt {retryArgs.AttemptNumber}");
return ValueTask.CompletedTask;
}
})
.Build();

// Step 2: Apply the custom pipeline to a specific HTTP client
var client = new HttpClient();
var request = new HttpRequestMessage(HttpMethod.Get, "https://api.example.com/data");

// Use the custom pipeline for this specific request
await customPipeline.ExecuteAsync(async token =>
{
var response = await client.SendAsync(request, token);
response.EnsureSuccessStatusCode();
});

This code demonstrates how to create and apply a custom resilience pipeline for a specific HTTP request, bypassing the global configuration.

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Customizing resilience pipelines in .NET 8 is crucial for handling specific use cases where global configurations fall short. By leveraging Polly and custom pipeline configurations, developers can ensure their applications are robust and adaptable. Here are some additional commands and practices to enhance your .NET and software architecture skills:

1. Linux Command for Monitoring Network Requests:

sudo tcpdump -i eth0 -n port 80

This command monitors HTTP traffic on port 80, useful for debugging network issues.

2. Windows Command for Checking Active Connections:

netstat -an | find "ESTABLISHED"

This command lists all established connections, helping identify active communication channels.

3. Linux Command for System Resource Monitoring:

top

This command provides real-time insights into system resource usage, crucial for performance tuning.

4. Windows Command for Service Management:

sc queryex type= service state= all

This command lists all services, their states, and configurations, aiding in service management.

5. Linux Command for Log Analysis:

grep "ERROR" /var/log/syslog

This command filters out error messages from system logs, useful for troubleshooting.

6. Windows Command for Event Logs:

Get-EventLog -LogName Application -EntryType Error

This command retrieves error entries from the application event log, aiding in diagnostics.

7. Linux Command for File System Checks:

sudo fsck /dev/sda1

This command checks and repairs the file system, ensuring data integrity.

8. Windows Command for Disk Management:

diskpart

This command-line tool helps manage disk partitions and volumes.

9. Linux Command for Process Management:

ps aux | grep dotnet

This command lists all .NET processes, useful for monitoring and managing applications.

10. Windows Command for Network Configuration:

ipconfig /all

This command displays detailed network configuration information.

By integrating these commands and practices into your workflow, you can enhance your ability to manage and troubleshoot .NET applications effectively. For further reading on .NET resilience patterns, visit Microsoft’s official documentation.

References:

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