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Unverified Commit 887c2b45 authored by Chang Su's avatar Chang Su Committed by GitHub
Browse files

[router][grpc] Add `serve_grpc` to `launch_server` and log id for HealthCheck (#11564)

parent 065ce815
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Showing with 68 additions and 93 deletions
python/sglang/launch_server.py
View file @ 887c2b45
"""Launch the inference server."""
import asyncio
import os
import sys
from sglang.srt.entrypoints.http_server import launch_server
from sglang.srt.server_args import prepare_server_args
from sglang.srt.utils import kill_process_tree
......@@ -11,6 +11,13 @@ if __name__ == "__main__":
server_args = prepare_server_args(sys.argv[1:])
try:
launch_server(server_args)
if server_args.grpc_mode:
from sglang.srt.entrypoints.grpc_server import serve_grpc
asyncio.run(serve_grpc(server_args))
else:
from sglang.srt.entrypoints.http_server import launch_server
launch_server(server_args)
finally:
kill_process_tree(os.getpid(), include_parent=False)
python/sglang/srt/entrypoints/grpc_server.py
View file @ 887c2b45
......@@ -22,8 +22,8 @@ from grpc_reflection.v1alpha import reflection
import sglang
from sglang.srt.disaggregation.utils import FAKE_BOOTSTRAP_HOST, DisaggregationMode
from sglang.srt.entrypoints.grpc_request_manager import GrpcRequestManager
from sglang.srt.grpc import sglang_scheduler_pb2, sglang_scheduler_pb2_grpc
from sglang.srt.grpc.grpc_request_manager import GrpcRequestManager
from sglang.srt.managers.data_parallel_controller import (
run_data_parallel_controller_process,
)
......@@ -68,6 +68,8 @@ def _launch_scheduler_process_only(
# Configure global environment
configure_logger(server_args)
server_args.check_server_args()
# Fix CUDA multiprocessing issues - must be called before any CUDA operations
mp.set_start_method("spawn", force=True)
# Allocate ports for inter-process communications
if port_args is None:
......@@ -317,7 +319,8 @@ class SGLangSchedulerServicer(sglang_scheduler_pb2_grpc.SglangSchedulerServicer)
Check the health of the inference server by sending a special request to generate one token.
Similar to HTTP server's /health endpoint.
"""
logger.info("Receive health check request")
rid = f"HEALTH_CHECK_{time.time()}"
logger.info(f"Receive health check request: {rid}")
if self.request_manager.gracefully_exit:
logger.info(
......@@ -328,7 +331,6 @@ class SGLangSchedulerServicer(sglang_scheduler_pb2_grpc.SglangSchedulerServicer)
)
# Create a special health check request
rid = f"HEALTH_CHECK_{time.time()}"
sampling_params = SGLSamplingParams(max_new_tokens=1, temperature=0.0)
sampling_params.normalize(tokenizer=None)
......@@ -919,25 +921,3 @@ async def serve_grpc(
proc.join(timeout=1.0)
logger.info("All scheduler processes terminated")
def main():
"""Main entry point for standalone gRPC server."""
# Fix CUDA multiprocessing issues - must be called before any CUDA operations
mp.set_start_method("spawn", force=True)
parser = argparse.ArgumentParser(description="SGLang Standalone gRPC Server")
ServerArgs.add_cli_args(parser)
args = parser.parse_args()
server_args = ServerArgs.from_cli_args(args)
# Run server
asyncio.run(
serve_grpc(
server_args=server_args,
)
)
if __name__ == "__main__":
main()
python/sglang/srt/grpc/sglang_scheduler.proto
View file @ 887c2b45
......@@ -326,10 +326,7 @@ message EmbedError {
// Management Operations
// =====================
message HealthCheckRequest {
// Input for health test generation (must be tokenized)
TokenizedInput tokenized = 1;
}
message HealthCheckRequest {}
message HealthCheckResponse {
bool healthy = 1;
......
python/sglang/srt/grpc/sglang_scheduler_pb2.py
View file @ 887c2b45
......@@ -29,7 +29,7 @@ from google.protobuf import timestamp_pb2 as google_dot_protobuf_dot_timestamp__
from google.protobuf import struct_pb2 as google_dot_protobuf_dot_struct__pb2
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_globals = globals()
_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, _globals)
......@@ -79,41 +79,41 @@ if not _descriptor._USE_C_DESCRIPTORS:
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# @@protoc_insertion_point(module_scope)
python/sglang/srt/grpc/sglang_scheduler_pb2.pyi
View file @ 887c2b45
......@@ -320,10 +320,8 @@ class EmbedError(_message.Message):
def __init__(self, message: _Optional[str] = ..., code: _Optional[str] = ..., details: _Optional[str] = ...) -> None: ...
class HealthCheckRequest(_message.Message):
__slots__ = ("tokenized",)
TOKENIZED_FIELD_NUMBER: _ClassVar[int]
tokenized: TokenizedInput
def __init__(self, tokenized: _Optional[_Union[TokenizedInput, _Mapping]] = ...) -> None: ...
__slots__ = ()
def __init__(self) -> None: ...
class HealthCheckResponse(_message.Message):
__slots__ = ("healthy", "message")
......
python/sglang/srt/server_args.py
View file @ 887c2b45
......@@ -194,6 +194,7 @@ class ServerArgs:
# HTTP server
host: str = "127.0.0.1"
port: int = 30000
grpc_mode: bool = False
skip_server_warmup: bool = False
warmups: Optional[str] = None
nccl_port: Optional[int] = None
......@@ -1516,6 +1517,11 @@ class ServerArgs:
default=ServerArgs.port,
help="The port of the HTTP server.",
)
parser.add_argument(
"--grpc-mode",
action="store_true",
help="If set, use gRPC server instead of HTTP server.",
)
parser.add_argument(
"--skip-server-warmup",
action="store_true",
......
sgl-router/src/grpc_client/sglang_scheduler.rs
View file @ 887c2b45
......@@ -169,8 +169,8 @@ impl SglangSchedulerClient {
&self,
) -> Result<proto::HealthCheckResponse, Box<dyn std::error::Error + Send + Sync>> {
debug!("Sending health check request");
// Server ignores the request body and creates its own health check internally
let request = Request::new(proto::HealthCheckRequest { tokenized: None });
// HealthCheckRequest is now empty - server generates its own health check internally
let request = Request::new(proto::HealthCheckRequest {});
let mut client = self.client.clone();
let response = client.health_check(request).await?;
......@@ -510,13 +510,8 @@ mod tests {
#[test]
fn test_proto_types_compilation() {
let health_req = proto::HealthCheckRequest {
tokenized: Some(proto::TokenizedInput {
original_text: "test".to_string(),
input_ids: vec![1296],
}),
};
assert!(health_req.tokenized.is_some());
let _health_req = proto::HealthCheckRequest {};
// HealthCheckRequest is now empty - no fields to test
}
#[test]
......@@ -558,13 +553,8 @@ mod tests {
#[test]
fn test_health_check_request() {
let health_req = proto::HealthCheckRequest {
tokenized: Some(proto::TokenizedInput {
original_text: "test".to_string(),
input_ids: vec![1296], // Mock token ID for "test"
}),
};
assert!(health_req.tokenized.is_some());
let _health_req = proto::HealthCheckRequest {};
// HealthCheckRequest is now empty - server generates its own test internally
}
#[test]
......
sgl-router/src/proto/sglang_scheduler.proto
View file @ 887c2b45
......@@ -326,10 +326,7 @@ message EmbedError {
// Management Operations
// =====================
message HealthCheckRequest {
// Input for health test generation (must be tokenized)
TokenizedInput tokenized = 1;
}
message HealthCheckRequest {}
message HealthCheckResponse {
bool healthy = 1;
......
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