feat(sandbox): raise per-user execution capacity
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11108f31c2
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7b541a2256
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@ -78,7 +78,7 @@ sandbox:
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idle_ttl_seconds: 600 # 普通容器无 exec 活动 10 分钟回收
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max_active_execs: 6 # 宿主硬上限；前后台统一计数
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max_background_execs: 4
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max_active_execs_per_user: 2
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max_active_execs_per_user: 3
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min_mem_available: 1g # 低于阈值暂停新放行，不杀已运行任务
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# 容器 DNS server 显式配置(docker run --dns,容器 /etc/resolv.conf 直接写,
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# 绕过 docker daemon 上游 DNS 探测路径;腾讯云轻量 / 部分云上 daemon 探测
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@ -35,6 +35,7 @@ class ExecCtx:
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task_id: UUID
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working_dir: Path
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cancel_check: Optional[Callable[[], bool]] = None
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event_emit: Optional[Callable[[dict], None]] = None
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@dataclass
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@ -163,7 +163,13 @@ class DockerExecutor(Executor):
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def _call_heavy_foreground(self, name: str, args: Dict[str, Any], ctx: ExecCtx) -> ToolResult:
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"""前台重型工具先排共享槽；排队不进入命令 timeout。"""
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with self.pool.capacity.foreground(str(self.user_id), ctx.cancel_check) as admitted:
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def notify(payload: dict) -> None:
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if ctx.event_emit is not None:
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ctx.event_emit({"type": "execution_queue", **payload})
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with self.pool.capacity.foreground(
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str(self.user_id), ctx.cancel_check, notify
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) as admitted:
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if not admitted:
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return ToolResult(content="[Error] command cancelled by user while queued", exit_code=130)
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self.pool.exec_started(self.user_id)
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@ -772,6 +772,7 @@ class AgentLoop:
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task_id=self.session.task_id,
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working_dir=self.working_dir,
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cancel_check=self.cancel_check,
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event_emit=self._emit,
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)
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tool_started_at = time.time()
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tool_result = self.executor.call_tool(name, args, ctx)
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@ -10,7 +10,7 @@ import json
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import os
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import time
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import uuid
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from contextlib import contextmanager
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from contextlib import contextmanager, suppress
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from pathlib import Path
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from typing import Callable, Dict, Iterator, Optional
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@ -18,7 +18,7 @@ from core.file_store import atomic_write_text, interprocess_file_lock
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DEFAULT_MAX_ACTIVE_EXECS = 6
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DEFAULT_MAX_BACKGROUND_EXECS = 4
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DEFAULT_MAX_ACTIVE_EXECS_PER_USER = 2
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DEFAULT_MAX_ACTIVE_EXECS_PER_USER = 3
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DEFAULT_MIN_MEM_AVAILABLE_BYTES = 1024 ** 3
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@ -123,13 +123,21 @@ class ExecCapacity:
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self._write(state)
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return lease_id
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def acquire_foreground(self, user_id: str, cancel_check: Optional[Callable[[], bool]] = None) -> Optional[str]:
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def acquire_foreground(
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self,
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user_id: str,
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cancel_check: Optional[Callable[[], bool]] = None,
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wait_notify: Optional[Callable[[dict], None]] = None,
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) -> Optional[str]:
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ticket = uuid.uuid4().hex
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wait_notified = False
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with interprocess_file_lock(self.lock_path, timeout_seconds=None):
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state = self._read(); self._prune(state)
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state["foreground_queue"].append({"ticket": ticket, "user_id": str(user_id), "created_ts": time.time(), "owner_pid": os.getpid()})
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self._write(state)
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while True:
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admitted = False
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notification = None
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with interprocess_file_lock(self.lock_path, timeout_seconds=None):
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state = self._read(); self._prune(state)
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queue = state["foreground_queue"]
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@ -138,8 +146,41 @@ class ExecCapacity:
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queue[:] = [q for q in queue if q.get("ticket") != ticket]
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state["leases"][ticket] = {"lease_id": ticket, "user_id": str(user_id), "kind": "foreground", "owner_pid": os.getpid(), "started_ts": time.time()}
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self._write(state)
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return ticket
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admitted = True
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else:
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self._write(state)
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if not admitted and not wait_notified and wait_notify is not None:
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leases = list(state["leases"].values())
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user_running = sum(
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1 for lease in leases
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if lease.get("user_id") == str(user_id)
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)
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available = mem_available_bytes()
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if user_running >= self.max_per_user:
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reason = "per_user_limit"
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elif len(leases) >= self.max_active:
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reason = "global_limit"
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elif available is not None and available < self.min_mem_available:
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reason = "memory_pressure"
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else:
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reason = "queue_order"
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notification = {
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"state": "waiting",
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"reason": reason,
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"user_running": user_running,
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"user_limit": self.max_per_user,
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"global_running": len(leases),
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"global_limit": self.max_active,
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}
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wait_notified = True
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if admitted:
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if wait_notified and wait_notify is not None:
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with suppress(Exception):
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wait_notify({"state": "admitted"})
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return ticket
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if notification is not None and wait_notify is not None:
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with suppress(Exception):
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wait_notify(notification)
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if cancel_check is not None and cancel_check():
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self.cancel_waiter(ticket)
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return None
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@ -189,8 +230,13 @@ class ExecCapacity:
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self._write(state)
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@contextmanager
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def foreground(self, user_id: str, cancel_check: Optional[Callable[[], bool]] = None) -> Iterator[bool]:
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lease = self.acquire_foreground(user_id, cancel_check)
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def foreground(
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self,
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user_id: str,
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cancel_check: Optional[Callable[[], bool]] = None,
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wait_notify: Optional[Callable[[dict], None]] = None,
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) -> Iterator[bool]:
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lease = self.acquire_foreground(user_id, cancel_check, wait_notify)
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try:
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yield lease is not None
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finally:
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@ -7,6 +7,7 @@ Loop 不直接 print,改 emit({type, ...})。Sink 决定怎么呈现。
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llm_end {type, prompt_tokens, completion_tokens, elapsed}
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text {type, content} —— assistant 文字段(整段,非流式)
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tool_call {type, name, args, args_preview}
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execution_queue {type, state, reason, ...} —— 前台重型工具等待/放行
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tool_result {type, name, result, preview, truncated}
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done {type} —— 一次 run 全部结束
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@ -67,6 +67,15 @@ test("composer uses one Codex-style action button for stop and queued send", ()
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assert.match(chat, /removeQueuedMessage\([\s\S]*streamSse\(r\.events_url, run\)/);
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});
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test("heavy execution queue exposes the blocking reason", () => {
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const chat = readFileSync(new URL("../web/static/js/chat.js", import.meta.url), "utf8");
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assert.match(chat, /t === "execution_queue"/);
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assert.match(chat, /等待执行容量（当前用户/);
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assert.match(chat, /等待执行容量（整机/);
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assert.match(chat, /等待执行容量（宿主内存压力）/);
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assert.match(chat, /dataset\.runningLabel/);
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});
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test("automatic title polling starts before a long-running response finishes", () => {
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const chat = readFileSync(new URL("../web/static/js/chat.js", import.meta.url), "utf8");
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const sendMessage = chat.indexOf("async function sendMessage(");
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@ -38,9 +38,13 @@ class FakePool:
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self.mark_active_calls = []
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self.active = 0
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self.capacity = self
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self.capacity_notices = []
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@contextmanager
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def foreground(self, user_id, cancel_check=None):
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def foreground(self, user_id, cancel_check=None, wait_notify=None):
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if wait_notify is not None:
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for notice in self.capacity_notices:
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wait_notify(notice)
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yield True
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def exec_started(self, user_id):
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@ -174,6 +178,27 @@ class TestShellExec(unittest.TestCase):
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self.assertEqual(pool.ensure_calls, [executor.user_id])
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self.assertEqual(pool.mark_active_calls, [executor.user_id])
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def test_shell_forwards_capacity_queue_events(self):
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executor, pool, _ = make_executor()
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pool.capacity_notices = [
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{"state": "waiting", "reason": "per_user_limit"},
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{"state": "admitted"},
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]
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events = []
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ctx = make_ctx(executor)
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ctx.event_emit = events.append
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proc = MagicMock()
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proc.communicate.return_value = ("ok\n", "")
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proc.returncode = 0
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with patch("core.executor_docker.subprocess.Popen", return_value=proc):
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executor.call_tool("shell", {"command": "echo ok"}, ctx)
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self.assertEqual(events, [
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{"type": "execution_queue", "state": "waiting", "reason": "per_user_limit"},
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{"type": "execution_queue", "state": "admitted"},
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])
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def test_shell_bad_args(self):
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executor, _, _ = make_executor()
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ctx = make_ctx(executor)
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@ -34,7 +34,7 @@ class CapacityTests(unittest.TestCase):
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with tempfile.TemporaryDirectory() as td:
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cap = ExecCapacity(Path(td), {"max_active_execs": 99, "max_background_execs": 99,
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"max_active_execs_per_user": 99})
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self.assertEqual((cap.max_active, cap.max_background, cap.max_per_user), (6, 4, 2))
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self.assertEqual((cap.max_active, cap.max_background, cap.max_per_user), (6, 4, 3))
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def test_global_per_user_and_background_limits(self):
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with tempfile.TemporaryDirectory() as td, patch("core.sandbox.capacity.mem_available_bytes", return_value=10**12):
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@ -60,6 +60,36 @@ class CapacityTests(unittest.TestCase):
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self.assertEqual(two.snapshot()["foreground_queued"], 0)
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one.release(lease)
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def test_foreground_queue_reports_limit_and_admission(self):
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with tempfile.TemporaryDirectory() as td, patch("core.sandbox.capacity.mem_available_bytes", return_value=10**12):
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cap = ExecCapacity(Path(td), {"max_active_execs": 2, "max_active_execs_per_user": 1})
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held = cap.try_acquire("u1", "background", lease_id="held")
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notices = []
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result = []
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t = threading.Thread(
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target=lambda: result.append(cap.acquire_foreground("u1", wait_notify=notices.append))
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)
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t.start(); time.sleep(.15)
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self.assertEqual(notices, [{
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"state": "waiting", "reason": "per_user_limit",
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"user_running": 1, "user_limit": 1,
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"global_running": 1, "global_limit": 2,
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}])
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cap.release(held); t.join(2)
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self.assertEqual(len(result), 1)
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self.assertIsNotNone(result[0])
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self.assertEqual(notices[-1], {"state": "admitted"})
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cap.release(result[0])
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def test_immediate_foreground_admission_does_not_report_queue(self):
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with tempfile.TemporaryDirectory() as td, patch("core.sandbox.capacity.mem_available_bytes", return_value=10**12):
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cap = ExecCapacity(Path(td), {"max_active_execs": 1})
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notices = []
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lease = cap.acquire_foreground("u1", wait_notify=notices.append)
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self.assertIsNotNone(lease)
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self.assertEqual(notices, [])
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cap.release(lease)
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def test_memory_pressure_pauses_new_admission(self):
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with tempfile.TemporaryDirectory() as td, patch("core.sandbox.capacity.mem_available_bytes", return_value=100):
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cap = ExecCapacity(Path(td), {"min_mem_available": "1g"})
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@ -3483,6 +3483,27 @@ function handleSseEvent(ev, asstCard, ctx) {
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if (!ctx.runId && snapshot.run_id) ctx.runId = snapshot.run_id;
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ctx.progressSteps = cloneProgressSteps(snapshot.steps);
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setTaskProgress(ctx.taskId, ctx.progressSteps);
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} else if (t === "execution_queue") {
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const det = ctx.runningToolEl;
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if (!det) return;
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const labelEl = det.querySelector(".tool-label");
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if (!labelEl) return;
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const queue = ev.data || {};
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if (queue.state === "waiting") {
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det.classList.add("waiting");
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if (queue.reason === "per_user_limit") {
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labelEl.textContent = `等待执行容量（当前用户 ${Number(queue.user_running) || 0}/${Number(queue.user_limit) || 0}）`;
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} else if (queue.reason === "global_limit") {
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labelEl.textContent = `等待执行容量（整机 ${Number(queue.global_running) || 0}/${Number(queue.global_limit) || 0}）`;
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} else if (queue.reason === "memory_pressure") {
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labelEl.textContent = "等待执行容量（宿主内存压力）";
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} else {
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labelEl.textContent = "等待执行容量（前方任务优先）";
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}
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} else if (queue.state === "admitted") {
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det.classList.remove("waiting");
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labelEl.textContent = det.dataset.runningLabel || labelEl.textContent;
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}
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} else if (t === "tool_call") {
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const fn = (ev.data && ev.data.name) || "?";
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const args = (ev.data && ev.data.args) || "";
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@ -3506,6 +3527,7 @@ function handleSseEvent(ev, asstCard, ctx) {
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const label = toolActivityLabel(fn, args);
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const det = document.createElement("details");
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det.className = "tool-call activity running";
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det.dataset.runningLabel = label;
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det.innerHTML = `<summary><span class="tool-state" aria-hidden="true">…</span><span class="tool-label">${escapeHtml(label)}</span><span class="tool-elapsed"></span></summary><pre>${escapeHtml(argsStr)}</pre>`;
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asstCard.appendChild(det);
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// 运行态:spinner + 跳秒,tool_result 到达时定格(区分"在执行"和"卡死")
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