chore: import upstream snapshot with attribution

doc/source/ray-observability/doc_code/memray_profiling.py

@@ -0,0 +1,40 @@
+# __memray_profiling_start__
+import memray
+import ray
+
+
+@ray.remote
+class Actor:
+    def __init__(self):
+        # Every memory allocation after `__enter__` method will be tracked.
+        memray.Tracker(
+            "/tmp/ray/session_latest/logs/"
+            f"{ray.get_runtime_context().get_actor_id()}_mem_profile.bin"
+        ).__enter__()
+        self.arr = [bytearray(b"1" * 1000000)]
+
+    def append(self):
+        self.arr.append(bytearray(b"1" * 1000000))
+
+
+a = Actor.remote()
+ray.get(a.append.remote())
+# __memray_profiling_end__
+
+
+# __memray_profiling_task_start__
+import memray  # noqa
+import ray  # noqa
+
+
+@ray.remote
+def task():
+    with memray.Tracker(
+        "/tmp/ray/session_latest/logs/"
+        f"{ray.get_runtime_context().get_task_id()}_mem_profile.bin"
+    ):
+        arr = bytearray(b"1" * 1000000)  # noqa
+
+
+ray.get(task.remote())
+# __memray_profiling_task_end__