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feat: Dynamically remove servers in PD #5270

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Merged
merged 3 commits into from
Jun 25, 2025
Merged

feat: Dynamically remove servers in PD #5270

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6eb3429
Log remove servers
Jun 17, 2025
61eee41
Refactor monitor logic
Jun 18, 2025
fb77f55
Fix bug
Jun 19, 2025
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1 change: 1 addition & 0 deletions tensorrt_llm/llmapi/disagg_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,7 @@ class MetadataServerConfig():
hostname: str = "localhost"
port: int = 2379
health_check_timeout: float = 5.0
refresh_interval: float = 10.0


def parse_disagg_config_file(yaml_config_file: str):
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14 changes: 7 additions & 7 deletions tensorrt_llm/serve/openai_disagg_server.py
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Original file line number Diff line number Diff line change
Expand Up @@ -35,20 +35,20 @@
class OpenAIDisaggServer:

def __init__(self,
ctx_servers: List[str] = None,
gen_servers: List[str] = None,
ctx_servers: List[str],
gen_servers: List[str],
req_timeout_secs: int = 180,
server_start_timeout_secs: int = 180,
ctx_router_config: Optional[RouterConfig] = None,
gen_router_config: Optional[RouterConfig] = None,
conditional_disagg_config: Optional[ConditionalDisaggConfig] = None,
metadata_server_cfg: MetadataServerConfig = None):
metadata_server_cfg: Optional[MetadataServerConfig] = None):

self.ctx_servers = ctx_servers
self.gen_servers = gen_servers
self.metadata_server = create_metadata_server(metadata_server_cfg)
self.ctx_router = create_router(ctx_router_config, ctx_servers, self.metadata_server)
self.gen_router = create_router(gen_router_config, gen_servers, self.metadata_server)
self.ctx_router = create_router(ctx_router_config, ctx_servers, metadata_server_cfg, self.metadata_server)
self.gen_router = create_router(gen_router_config, gen_servers, metadata_server_cfg, self.metadata_server)
self.conditional_disagg_config = conditional_disagg_config


Expand Down Expand Up @@ -76,8 +76,8 @@ async def lifespan(app: FastAPI):

if self.metadata_server:
logger.info("Starting server monitoring via metadata service")
await self.ctx_router.start_server_monitoring()
await self.gen_router.start_server_monitoring()
await self.ctx_router.start_server_monitoring(metadata_server_cfg.refresh_interval)
await self.gen_router.start_server_monitoring(metadata_server_cfg.refresh_interval)

yield

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