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[router][grpc] Cleanup debug logs in grpc_server and grpc_router (#11340)

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This commit is contained in:
Chang Su
2025-10-08 13:26:19 -07:00
committed by GitHub
parent 677aa0e25f
commit a65ca73911
5 changed files with 31 additions and 102 deletions
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15
python/sglang/srt/entrypoints/grpc_request_manager.py
View File

@@ -397,9 +397,7 @@ class GrpcRequestManager:
# Wait for result in background
async def wait_for_result():
try:
# Wait for completion
await state.event.wait()
# Get result from queue
result = await state.out_queue.get()
future.set_result(result)
except Exception as e:
@@ -437,19 +435,6 @@ class GrpcRequestManager:
return True
async def pause_generation(self):
"""Pause generation processing."""
async with self.is_pause_cond:
self.is_pause = True
logger.info("Generation paused")
async def resume_generation(self):
"""Resume generation processing."""
async with self.is_pause_cond:
self.is_pause = False
self.is_pause_cond.notify_all()
logger.info("Generation resumed")
async def handle_loop(self):
"""
Main event loop - processes outputs from scheduler.

46
python/sglang/srt/entrypoints/grpc_server.py
View File

@@ -189,7 +189,7 @@ class SGLangSchedulerServicer(sglang_scheduler_pb2_grpc.SglangSchedulerServicer)
# Start the request manager's event loop using auto_create_handle_loop
self.request_manager.auto_create_handle_loop()
logger.info("Standalone gRPC scheduler service initialized")
logger.info("gRPC scheduler servicer initialized")
async def Generate(
self,
@@ -197,7 +197,7 @@ class SGLangSchedulerServicer(sglang_scheduler_pb2_grpc.SglangSchedulerServicer)
context: grpc.aio.ServicerContext,
) -> AsyncIterator[sglang_scheduler_pb2.GenerateResponse]:
"""Handle generation requests with streaming responses."""
logger.info(f"Generation request: {request.request_id}")
logger.debug(f"Receive generation request: {request.request_id}")
try:
# Convert gRPC request to internal format
@@ -249,7 +249,10 @@ class SGLangSchedulerServicer(sglang_scheduler_pb2_grpc.SglangSchedulerServicer)
yield self._create_chunk_response(request.request_id, output)
except Exception as e:
logger.error(f"Generate failed: {e}\n{get_exception_traceback()}")
logger.error(
f"Generate failed for request {request.request_id}: {e}\n"
f"{get_exception_traceback()}"
)
yield sglang_scheduler_pb2.GenerateResponse(
request_id=request.request_id,
error=sglang_scheduler_pb2.GenerateError(
@@ -262,10 +265,10 @@ class SGLangSchedulerServicer(sglang_scheduler_pb2_grpc.SglangSchedulerServicer)
async def Embed(
self,
request: sglang_scheduler_pb2.EmbedRequest,
context: grpc.aio.ServicerContext,
_context: grpc.aio.ServicerContext,
) -> sglang_scheduler_pb2.EmbedResponse:
"""Handle embedding requests."""
logger.info(f"Embedding request: {request.request_id}")
logger.debug(f"Receive embedding request: {request.request_id}")
try:
# Convert request
@@ -292,7 +295,10 @@ class SGLangSchedulerServicer(sglang_scheduler_pb2_grpc.SglangSchedulerServicer)
)
except Exception as e:
logger.error(f"Embed failed: {e}\n{get_exception_traceback()}")
logger.error(
f"Embed failed for request {request.request_id}: {e}\n"
f"{get_exception_traceback()}"
)
return sglang_scheduler_pb2.EmbedResponse(
request_id=request.request_id,
error=sglang_scheduler_pb2.EmbedError(
@@ -344,7 +350,7 @@ class SGLangSchedulerServicer(sglang_scheduler_pb2_grpc.SglangSchedulerServicer)
health_request.bootstrap_host = FAKE_BOOTSTRAP_HOST
health_request.bootstrap_room = 0
logger.info(f"Sending health check request to request manager...")
logger.debug(f"Receive health check request: {rid}")
# Submit and wait for response
output_generator = self.request_manager.generate_request(
@@ -375,7 +381,7 @@ class SGLangSchedulerServicer(sglang_scheduler_pb2_grpc.SglangSchedulerServicer)
)
except Exception as e:
logger.error(f"Health check failed: {e}")
logger.error(f"Health check failed: {e}\n{get_exception_traceback()}")
return sglang_scheduler_pb2.HealthCheckResponse(
healthy=False, message=f"Health check error: {str(e)}"
)
@@ -383,10 +389,10 @@ class SGLangSchedulerServicer(sglang_scheduler_pb2_grpc.SglangSchedulerServicer)
async def Abort(
self,
request: sglang_scheduler_pb2.AbortRequest,
context: grpc.aio.ServicerContext,
_context: grpc.aio.ServicerContext,
) -> sglang_scheduler_pb2.AbortResponse:
"""Abort an ongoing request."""
logger.info(f"Aborting request: {request.request_id}")
logger.debug(f"Receive abort request: {request.request_id}")
try:
success = await self.request_manager.abort_request(request.request_id)
@@ -396,7 +402,10 @@ class SGLangSchedulerServicer(sglang_scheduler_pb2_grpc.SglangSchedulerServicer)
message=f"Request {request.request_id} {'aborted' if success else 'not found'}",
)
except Exception as e:
logger.error(f"Abort failed: {e}")
logger.error(
f"Abort failed for request {request.request_id}: {e}\n"
f"{get_exception_traceback()}"
)
return sglang_scheduler_pb2.AbortResponse(
success=False,
message=str(e),
@@ -404,11 +413,11 @@ class SGLangSchedulerServicer(sglang_scheduler_pb2_grpc.SglangSchedulerServicer)
async def GetModelInfo(
self,
request: sglang_scheduler_pb2.GetModelInfoRequest,
context: grpc.aio.ServicerContext,
_request: sglang_scheduler_pb2.GetModelInfoRequest,
_context: grpc.aio.ServicerContext,
) -> sglang_scheduler_pb2.GetModelInfoResponse:
"""Get model information."""
logger.info("Model info request received")
logger.debug("Receive model info request")
is_generation = self.scheduler_info.get("is_generation")
if is_generation is None:
@@ -435,11 +444,11 @@ class SGLangSchedulerServicer(sglang_scheduler_pb2_grpc.SglangSchedulerServicer)
async def GetServerInfo(
self,
request: sglang_scheduler_pb2.GetServerInfoRequest,
context: grpc.aio.ServicerContext,
_request: sglang_scheduler_pb2.GetServerInfoRequest,
_context: grpc.aio.ServicerContext,
) -> sglang_scheduler_pb2.GetServerInfoResponse:
"""Get server information."""
logger.info("Server info request received")
logger.debug("Receive server info request")
server_args_dict = dataclasses.asdict(self.server_args)
server_args_struct = Struct()
@@ -861,9 +870,8 @@ async def serve_grpc(
listen_addr = f"{server_args.host}:{server_args.port}"
server.add_insecure_port(listen_addr)
logger.info(f"Starting standalone gRPC server on {listen_addr}")
await server.start()
logger.info(f"gRPC server listening on {listen_addr}")
# Handle shutdown signals
loop = asyncio.get_running_loop()

28
sgl-router/src/reasoning_parser/parsers/base.rs
View File

@@ -2,7 +2,6 @@
// for detecting and extracting reasoning blocks from text.
use crate::reasoning_parser::traits::{ParseError, ParserConfig, ParserResult, ReasoningParser};
use tracing as log;
/// Base reasoning parser implementation.
///
@@ -46,18 +45,14 @@ impl BaseReasoningParser {
impl ReasoningParser for BaseReasoningParser {
fn detect_and_parse_reasoning(&mut self, text: &str) -> Result<ParserResult, ParseError> {
log::debug!("detect_and_parse_reasoning called with text: {:?}", text);
// Check input size against buffer limit
if text.len() > self.config.max_buffer_size {
return Err(ParseError::BufferOverflow(text.len()));
}
let in_reasoning = self.in_reasoning || text.contains(&self.config.think_start_token);
log::debug!("in_reasoning: {}", in_reasoning);
if !in_reasoning {
log::debug!("No reasoning detected, returning normal text.");
return Ok(ParserResult::normal(text.to_string()));
}
@@ -66,15 +61,8 @@ impl ReasoningParser for BaseReasoningParser {
.replace(&self.config.think_start_token, "")
.trim()
.to_string();
log::debug!(
"Processed text after removing think_start_token: {:?}",
processed_text
);
if !processed_text.contains(&self.config.think_end_token) {
log::debug!(
"Reasoning truncated, think_end_token not found. Returning reasoning text."
);
// Assume reasoning was truncated before end token
return Ok(ParserResult::reasoning(processed_text));
}
@@ -89,9 +77,6 @@ impl ReasoningParser for BaseReasoningParser {
.map(|s| s.trim().to_string())
.unwrap_or_default();
log::debug!("Extracted reasoning_text: {:?}", reasoning_text);
log::debug!("Extracted normal_text: {:?}", normal_text);
Ok(ParserResult::new(normal_text, reasoning_text))
}
@@ -108,19 +93,6 @@ impl ReasoningParser for BaseReasoningParser {
self.buffer.push_str(text);
let mut current_text = self.buffer.clone();
log::debug!(
"parse_reasoning_streaming_incremental called with text: {:?}",
text
);
log::debug!("current buffer: {:?}", self.buffer);
log::debug!("current_text: {:?}", current_text);
log::debug!(
"in_reasoning: {}, stripped_think_start: {}, stream_reasoning: {}",
self.in_reasoning,
self.stripped_think_start,
self.config.stream_reasoning
);
// If the current text is a prefix of a token, keep buffering
if self.is_partial_token(&current_text) {
return Ok(ParserResult::default());

31
sgl-router/src/routers/grpc/pipeline.rs
View File

@@ -56,8 +56,6 @@ pub struct PreparationStage;
#[async_trait]
impl PipelineStage for PreparationStage {
async fn execute(&self, ctx: &mut RequestContext) -> Result<Option<Response>, Response> {
debug!("Stage {}: Processing request", self.name());
// Clone Arc before match to avoid borrow checker issues
// (matching borrows ctx, but prepare_* methods need mutable borrow)
// Arc clone is cheap (8 bytes) - avoids full request clone (15KB-200KB)
@@ -109,7 +107,6 @@ impl PreparationStage {
};
let token_ids = encoding.token_ids().to_vec();
debug!("Tokenized {} tokens from input", token_ids.len());
// Step 4: Build tool constraints if needed
let tool_call_constraint = body_ref.tools.as_ref().and_then(|tools| {
@@ -157,8 +154,6 @@ impl PreparationStage {
}
};
debug!("Resolved input with {} tokens", token_ids.len());
// Create stop sequence decoder for generate requests
let params = request.sampling_params.as_ref();
let stop_decoder = utils::create_stop_decoder(
@@ -259,8 +254,6 @@ impl WorkerSelectionStage {
#[async_trait]
impl PipelineStage for WorkerSelectionStage {
async fn execute(&self, ctx: &mut RequestContext) -> Result<Option<Response>, Response> {
debug!("Stage {}: Selecting workers", self.name());
let prep = ctx
.state
.preparation
@@ -414,8 +407,6 @@ pub struct ClientAcquisitionStage;
#[async_trait]
impl PipelineStage for ClientAcquisitionStage {
async fn execute(&self, ctx: &mut RequestContext) -> Result<Option<Response>, Response> {
debug!("Stage {}: Acquiring gRPC clients", self.name());
let workers = ctx
.state
.workers
@@ -464,8 +455,6 @@ impl RequestBuildingStage {
#[async_trait]
impl PipelineStage for RequestBuildingStage {
async fn execute(&self, ctx: &mut RequestContext) -> Result<Option<Response>, Response> {
debug!("Stage {}: Building proto request", self.name());
let prep = ctx
.state
.preparation
@@ -578,8 +567,6 @@ pub struct DispatchMetadataStage;
#[async_trait]
impl PipelineStage for DispatchMetadataStage {
async fn execute(&self, ctx: &mut RequestContext) -> Result<Option<Response>, Response> {
debug!("Stage {}: Preparing dispatch metadata", self.name());
let proto_request = ctx
.state
.proto_request
@@ -656,8 +643,6 @@ impl RequestExecutionStage {
#[async_trait]
impl PipelineStage for RequestExecutionStage {
async fn execute(&self, ctx: &mut RequestContext) -> Result<Option<Response>, Response> {
debug!("Stage {}: Executing gRPC request", self.name());
let proto_request = ctx
.state
.proto_request
@@ -713,8 +698,6 @@ impl RequestExecutionStage {
.dual_mut()
.ok_or_else(|| utils::internal_error_static("Expected dual clients but got single"))?;
debug!("Sending concurrent requests to prefill and decode workers");
let prefill_request = proto_request.clone();
let decode_request = proto_request;
@@ -780,8 +763,6 @@ impl ResponseProcessingStage {
#[async_trait]
impl PipelineStage for ResponseProcessingStage {
async fn execute(&self, ctx: &mut RequestContext) -> Result<Option<Response>, Response> {
debug!("Stage {}: Processing response", self.name());
// Delegate to request-type specific processing
match &ctx.input.request_type {
RequestType::Chat(_) => return self.process_chat_response(ctx).await,
@@ -1199,15 +1180,9 @@ impl ChatCompletionPipeline {
// Execute each stage in sequence
for (idx, stage) in self.stages.iter().enumerate() {
debug!("Executing stage {}: {}", idx + 1, stage.name());
match stage.execute(&mut ctx).await {
Ok(Some(response)) => {
// Stage completed successfully with a response (e.g., streaming)
debug!(
"Stage {} ({}) completed with response",
idx + 1,
stage.name()
);
return response;
}
Ok(None) => {
@@ -1249,15 +1224,9 @@ impl ChatCompletionPipeline {
// Execute each stage in sequence
for (idx, stage) in self.stages.iter().enumerate() {
debug!("Executing stage {}: {}", idx + 1, stage.name());
match stage.execute(&mut ctx).await {
Ok(Some(response)) => {
// Stage completed successfully with a response (e.g., streaming)
debug!(
"Stage {} ({}) completed with response",
idx + 1,
stage.name()
);
return response;
}
Ok(None) => {

13
sgl-router/src/routers/grpc/utils.rs
View File

@@ -21,7 +21,7 @@ use serde_json::{json, Map, Value};
use std::collections::HashMap;
use std::sync::Arc;
use tonic::codec::Streaming;
use tracing::{debug, error, warn};
use tracing::{error, warn};
use uuid::Uuid;
/// Get gRPC client from worker, returning appropriate error response on failure
@@ -602,10 +602,6 @@ pub async fn collect_stream_responses(
Ok(gen_response) => {
match gen_response.response {
Some(Complete(complete)) => {
debug!(
"{} completed: prompt_tokens={}, completion_tokens={}, finish_reason={}",
worker_name, complete.prompt_tokens, complete.completion_tokens, complete.finish_reason
);
all_responses.push(complete);
}
Some(Error(err)) => {
@@ -615,11 +611,11 @@ pub async fn collect_stream_responses(
worker_name, err.message
)));
}
Some(Chunk(chunk)) => {
debug!("{} chunk: {} tokens", worker_name, chunk.token_ids.len());
Some(Chunk(_chunk)) => {
// Streaming chunk - no action needed
}
None => {
debug!("{}: empty response", worker_name);
// Empty response - no action needed
}
}
}
@@ -633,7 +629,6 @@ pub async fn collect_stream_responses(
}
}
debug!("{} stream closed", worker_name);
Ok(all_responses)
}