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Add configurable server threads and connections

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kqjy
2026-01-22 10:58:44 +08:00
parent 912a7dc74f
commit c0603c592b
4 changed files with 124 additions and 17 deletions
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53
app/config.py
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@@ -90,6 +90,10 @@ class AppConfig:
operation_metrics_enabled: bool
operation_metrics_interval_minutes: int
operation_metrics_retention_hours: int
server_threads: int
server_connection_limit: int
server_backlog: int
server_channel_timeout: int
@classmethod
def from_env(cls, overrides: Optional[Dict[str, Any]] = None) -> "AppConfig":
@@ -193,6 +197,11 @@ class AppConfig:
operation_metrics_interval_minutes = int(_get("OPERATION_METRICS_INTERVAL_MINUTES", 5))
operation_metrics_retention_hours = int(_get("OPERATION_METRICS_RETENTION_HOURS", 24))
server_threads = int(_get("SERVER_THREADS", 4))
server_connection_limit = int(_get("SERVER_CONNECTION_LIMIT", 100))
server_backlog = int(_get("SERVER_BACKLOG", 1024))
server_channel_timeout = int(_get("SERVER_CHANNEL_TIMEOUT", 120))
return cls(storage_root=storage_root,
max_upload_size=max_upload_size,
ui_page_size=ui_page_size,
@@ -236,7 +245,11 @@ class AppConfig:
metrics_history_interval_minutes=metrics_history_interval_minutes,
operation_metrics_enabled=operation_metrics_enabled,
operation_metrics_interval_minutes=operation_metrics_interval_minutes,
operation_metrics_retention_hours=operation_metrics_retention_hours)
operation_metrics_retention_hours=operation_metrics_retention_hours,
server_threads=server_threads,
server_connection_limit=server_connection_limit,
server_backlog=server_backlog,
server_channel_timeout=server_channel_timeout)
def validate_and_report(self) -> list[str]:
"""Validate configuration and return a list of warnings/issues.
@@ -296,7 +309,35 @@ class AppConfig:
if "*" in self.cors_origins:
issues.append("INFO: CORS_ORIGINS is set to '*'. Consider restricting to specific domains in production.")
if not (1 <= self.server_threads <= 64):
issues.append(f"CRITICAL: SERVER_THREADS={self.server_threads} is outside valid range (1-64). Server cannot start.")
if not (10 <= self.server_connection_limit <= 1000):
issues.append(f"CRITICAL: SERVER_CONNECTION_LIMIT={self.server_connection_limit} is outside valid range (10-1000). Server cannot start.")
if not (64 <= self.server_backlog <= 4096):
issues.append(f"CRITICAL: SERVER_BACKLOG={self.server_backlog} is outside valid range (64-4096). Server cannot start.")
if not (10 <= self.server_channel_timeout <= 300):
issues.append(f"CRITICAL: SERVER_CHANNEL_TIMEOUT={self.server_channel_timeout} is outside valid range (10-300). Server cannot start.")
if sys.platform != "win32":
try:
import resource
soft_limit, _ = resource.getrlimit(resource.RLIMIT_NOFILE)
threshold = int(soft_limit * 0.8)
if self.server_connection_limit > threshold:
issues.append(f"WARNING: SERVER_CONNECTION_LIMIT={self.server_connection_limit} exceeds 80% of system file descriptor limit (soft={soft_limit}). Consider running 'ulimit -n {self.server_connection_limit + 100}'.")
except (ImportError, OSError):
pass
try:
import psutil
available_mb = psutil.virtual_memory().available / (1024 * 1024)
estimated_mb = self.server_threads * 50
if estimated_mb > available_mb * 0.5:
issues.append(f"WARNING: SERVER_THREADS={self.server_threads} may require ~{estimated_mb}MB memory, exceeding 50% of available RAM ({int(available_mb)}MB).")
except ImportError:
pass
return issues
def print_startup_summary(self) -> None:
@@ -314,6 +355,10 @@ class AppConfig:
print(f" ENCRYPTION: Enabled (Master key: {self.encryption_master_key_path})")
if self.kms_enabled:
print(f" KMS: Enabled (Keys: {self.kms_keys_path})")
print(f" SERVER_THREADS: {self.server_threads}")
print(f" CONNECTION_LIMIT: {self.server_connection_limit}")
print(f" BACKLOG: {self.server_backlog}")
print(f" CHANNEL_TIMEOUT: {self.server_channel_timeout}s")
print("=" * 60)
issues = self.validate_and_report()
@@ -371,4 +416,8 @@ class AppConfig:
"OPERATION_METRICS_ENABLED": self.operation_metrics_enabled,
"OPERATION_METRICS_INTERVAL_MINUTES": self.operation_metrics_interval_minutes,
"OPERATION_METRICS_RETENTION_HOURS": self.operation_metrics_retention_hours,
"SERVER_THREADS": self.server_threads,
"SERVER_CONNECTION_LIMIT": self.server_connection_limit,
"SERVER_BACKLOG": self.server_backlog,
"SERVER_CHANNEL_TIMEOUT": self.server_channel_timeout,
}