Created
July 27, 2025 15:29
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💡 Optimized JSON serialization, compression, and caching strategy in .NET APIs using System.Text.Json + Redis for high-throughput, scalable performance.
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| using System.Text.Json; | |
| using System.IO.Compression; | |
| using StackExchange.Redis; | |
| using System.Text; | |
| public static class JsonCacheHelper | |
| { | |
| private static readonly JsonSerializerOptions _jsonOptions = new() | |
| { | |
| PropertyNamingPolicy = JsonNamingPolicy.CamelCase, | |
| WriteIndented = false | |
| }; | |
| public static async Task SetCompressedAsync<T>(IDatabase redis, string key, T obj, TimeSpan? expiry = null) | |
| { | |
| var json = JsonSerializer.Serialize(obj, _jsonOptions); | |
| var compressed = Compress(json); | |
| await redis.StringSetAsync(key, compressed, expiry); | |
| } | |
| public static async Task<T?> GetCompressedAsync<T>(IDatabase redis, string key) | |
| { | |
| var compressed = await redis.StringGetAsync(key); | |
| if (compressed.IsNullOrEmpty) | |
| return default; | |
| var json = Decompress(compressed); | |
| return JsonSerializer.Deserialize<T>(json, _jsonOptions); | |
| } | |
| private static byte[] Compress(string json) | |
| { | |
| var bytes = Encoding.UTF8.GetBytes(json); | |
| using var output = new MemoryStream(); | |
| using (var gzip = new GZipStream(output, CompressionMode.Compress)) | |
| { | |
| gzip.Write(bytes, 0, bytes.Length); | |
| } | |
| return output.ToArray(); | |
| } | |
| private static string Decompress(byte[] compressed) | |
| { | |
| using var input = new MemoryStream(compressed); | |
| using var gzip = new GZipStream(input, CompressionMode.Decompress); | |
| using var reader = new StreamReader(gzip); | |
| return reader.ReadToEnd(); | |
| } | |
| } |
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