chore: raise default memory limit from 64MB to 128MB

Author: ServerSideHannes

README.md

@@ -133,7 +133,7 @@ Health: `GET /healthz` · `GET /readyz` · Metrics: `GET /metrics`
 | `redis-ha.enabled` | `true` | Deploy embedded Redis HA |
 | `gateway.enabled` | `false` | Create gateway service |
 | `ingress.enabled` | `false` | Enable ingress |
-| `performance.memoryLimitMb` | `64` | Memory budget for streaming concurrency |
+| `performance.memoryLimitMb` | `128` | Memory budget for streaming concurrency |
 
 See [chart/README.md](chart/README.md) for all options.
 

chart/README.md

@@ -21,7 +21,7 @@ helm install s3proxy oci://ghcr.io/serversidehannes/s3proxy-python/charts/s3prox
 | `s3.region` | `us-east-1` | AWS region |
 | `server.port` | `4433` | Proxy listen port |
 | `server.noTls` | `true` | Disable TLS (in-cluster only) |
-| `performance.memoryLimitMb` | `64` | Memory budget for streaming |
+| `performance.memoryLimitMb` | `128` | Memory budget for streaming |
 | `logLevel` | `DEBUG` | Log level |
 | `secrets.encryptKey` | `""` | AES-256 encryption key |
 | `secrets.awsAccessKeyId` | `""` | AWS access key |

chart/values.yaml

@@ -16,7 +16,7 @@ server:
   noTls: true
 
 performance:
-  memoryLimitMb: 64
+  memoryLimitMb: 128
 
 externalRedis:
   url: ""

s3proxy/concurrency.py

@@ -48,7 +48,7 @@ class ConcurrencyLimiter:
     when the configured limit would be exceeded.
     """
 
-    def __init__(self, limit_mb: int = 64) -> None:
+    def __init__(self, limit_mb: int = 128) -> None:
         self._limit_mb = limit_mb
         self._limit_bytes = limit_mb * 1024 * 1024
         self._active_bytes = 0
@@ -122,7 +122,7 @@ async def release(self, bytes_reserved: int) -> None:
 
 # Default instance used by module-level functions
 _default = ConcurrencyLimiter(
-    limit_mb=int(os.environ.get("S3PROXY_MEMORY_LIMIT_MB", "64"))
+    limit_mb=int(os.environ.get("S3PROXY_MEMORY_LIMIT_MB", "128"))
 )
 
 

s3proxy/config.py

@@ -29,7 +29,7 @@ class Settings(BaseSettings):
     # This is the ONLY setting needed for OOM protection.
     # Use nginx proxy-body-size at ingress to reject oversized requests before they reach Python.
     memory_limit_mb: int = Field(
-        default=64,
+        default=128,
         description="Memory budget for concurrent requests in MB. 0=unlimited. "
         "Small files use content_length*2, large files use 8MB (streaming). "
         "Excess requests get 503.",