[PD] Tiny cleanup after KVReceiver refactor (#21760)

Signed-off-by: Shangming Cai <csmthu@gmail.com>

python/sglang/srt/disaggregation/common/conn.py

@@ -326,7 +326,6 @@ class CommonKVManager(BaseKVManager):
             host = self.bootstrap_host
 
         bootstrap_na = NetworkAddress(host, self.bootstrap_port)
-        bootstrap_server_url = bootstrap_na.to_host_port_str()
         url = f"{bootstrap_na.to_url()}/route"
         payload = {
             "attn_tp_size": self.attn_tp_size,
@@ -477,6 +476,14 @@ class CommonKVSender(BaseKVSender):
     def failure_exception(self):
         raise Exception("Fake KVReceiver Exception")
 
+    def abort(self):
+        self.kv_mgr.record_failure(
+            self.bootstrap_room,
+            "Aborted by AbortReq.",
+        )
+        # Explicitly set the status to failure since this request has been aborted
+        self.conclude_state = KVPoll.Failed
+
 
 class CommonKVReceiver(BaseKVReceiver):
     _ctx = zmq.Context()
@@ -494,15 +501,6 @@ class CommonKVReceiver(BaseKVReceiver):
         self.bootstrap_addr = bootstrap_addr
         self.kv_mgr = mgr
         self.conclude_state: Optional[KVPoll] = None
-        self.bootstrap_infos = None
-        self.prefill_info = None
-        self.prefill_dp_rank = None
-        self.target_tp_rank = None
-        self.target_tp_ranks = None
-        self.target_cp_ranks = None
-        self.target_pp_ranks = None
-        self.required_dst_info_num = None
-        self.required_prefill_response_num = None
         self.kv_mgr.addr_to_rooms_tracker[self.bootstrap_addr].add(self.bootstrap_room)
         self.kv_mgr.update_status(self.bootstrap_room, KVPoll.Bootstrapping)
 
@@ -666,6 +664,14 @@ class CommonKVReceiver(BaseKVReceiver):
     def failure_exception(self):
         raise Exception("Fake KVReceiver Exception")
 
+    def abort(self):
+        self.kv_mgr.record_failure(
+            self.bootstrap_room,
+            "Aborted by AbortReq.",
+        )
+        # Explicitly set the status to failure since this request has been aborted
+        self.conclude_state = KVPoll.Failed
+
 
 class CommonKVBootstrapServer(BaseKVBootstrapServer):
     def __init__(self, host: str, port: int):

python/sglang/srt/disaggregation/decode.py

@@ -278,7 +278,7 @@ class DecodePreallocQueue:
         self.retracted_queue: List[Req] = []
         self.pending_reqs: List[DecodeRequest] = []
         self._ensure_retry_count: Dict[str, int] = {}
-        self._max_ensure_retries: int = 20  # scheduling cycles
+        self._max_ensure_retries: int = 15  # scheduling cycles
         self._ensure_last_attempt_time: Dict[str, float] = {}
         self._ensure_retry_interval: float = 1.0  # seconds
         self.kv_manager = self._init_kv_manager()
@@ -546,16 +546,7 @@ class DecodePreallocQueue:
                 error_msg = f"Could not fetch prefill parallel info from {bootstrap_addr} after {count} attempts"
                 logger.error(error_msg)
                 for decode_req in reqs:
-                    prepare_abort(
-                        decode_req.req,
-                        error_msg,
-                        status_code=HTTPStatus.INTERNAL_SERVER_ERROR,
-                    )
-                    if self.scheduler.enable_metrics:
-                        self.scheduler.metrics_collector.increment_bootstrap_failed_reqs()
-                    self.scheduler.stream_output(
-                        [decode_req.req], decode_req.req.return_logprob
-                    )
+                    decode_req.kv_receiver.abort()
                 del self._ensure_retry_count[bootstrap_addr]
                 del self._ensure_last_attempt_time[bootstrap_addr]
             else:

python/sglang/srt/disaggregation/mori/conn.py

@@ -972,10 +972,8 @@ class MoriKVSender(CommonKVSender):
         raise RuntimeError(failure_reason)
 
     def abort(self):
-        reason = "Aborted by AbortReq."
-        self.kv_mgr.record_failure(self.bootstrap_room, reason)
-        self._notify_decode(KVPoll.Failed, reason)
-        self.conclude_state = KVPoll.Failed
+        super().abort()
+        self._notify_decode(KVPoll.Failed, "Aborted by AbortReq.")
 
 
 class MoriKVReceiver(CommonKVReceiver):
@@ -1106,10 +1104,8 @@ class MoriKVReceiver(CommonKVReceiver):
     def abort(self):
         if self.bootstrap_room is None:
             return
-        reason = "Aborted by AbortReq."
-        self.kv_mgr.record_failure(self.bootstrap_room, reason)
+        super().abort()
         self.kv_mgr.update_status(self.bootstrap_room, KVPoll.Failed)
-        self.conclude_state = KVPoll.Failed
         self.clear()