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test_memory_utils.py
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test_memory_utils.py
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import ray
from ray.dashboard.memory_utils import (
ReferenceType,
decode_object_ref_if_needed,
MemoryTableEntry,
MemoryTable,
SortingType,
)
"""Memory Table Unit Test"""
NODE_ADDRESS = "127.0.0.1"
IS_DRIVER = True
PID = 1
OBJECT_ID = "ZmZmZmZmZmZmZmZmZmZmZmZmZmZmZmZmZmZmZg=="
ACTOR_ID = "fffffffffffffffffffffffffffffffff66d17ba010000c801000000"
DECODED_ID = decode_object_ref_if_needed(OBJECT_ID)
OBJECT_SIZE = 100
def build_memory_entry(
*,
local_ref_count,
pinned_in_memory,
submitted_task_reference_count,
contained_in_owned,
object_size,
pid,
object_id=OBJECT_ID,
node_address=NODE_ADDRESS
):
object_ref = {
"objectId": object_id,
"callSite": "(task call) /Users:458",
"objectSize": object_size,
"localRefCount": local_ref_count,
"pinnedInMemory": pinned_in_memory,
"submittedTaskRefCount": submitted_task_reference_count,
"containedInOwned": contained_in_owned,
}
return MemoryTableEntry(
object_ref=object_ref, node_address=node_address, is_driver=IS_DRIVER, pid=pid
)
def build_local_reference_entry(
object_size=OBJECT_SIZE, pid=PID, node_address=NODE_ADDRESS
):
return build_memory_entry(
local_ref_count=1,
pinned_in_memory=False,
submitted_task_reference_count=0,
contained_in_owned=[],
object_size=object_size,
pid=pid,
node_address=node_address,
)
def build_used_by_pending_task_entry(
object_size=OBJECT_SIZE, pid=PID, node_address=NODE_ADDRESS
):
return build_memory_entry(
local_ref_count=0,
pinned_in_memory=False,
submitted_task_reference_count=2,
contained_in_owned=[],
object_size=object_size,
pid=pid,
node_address=node_address,
)
def build_captured_in_object_entry(
object_size=OBJECT_SIZE, pid=PID, node_address=NODE_ADDRESS
):
return build_memory_entry(
local_ref_count=0,
pinned_in_memory=False,
submitted_task_reference_count=0,
contained_in_owned=[OBJECT_ID],
object_size=object_size,
pid=pid,
node_address=node_address,
)
def build_actor_handle_entry(
object_size=OBJECT_SIZE, pid=PID, node_address=NODE_ADDRESS
):
return build_memory_entry(
local_ref_count=1,
pinned_in_memory=False,
submitted_task_reference_count=0,
contained_in_owned=[],
object_size=object_size,
pid=pid,
node_address=node_address,
object_id=ACTOR_ID,
)
def build_pinned_in_memory_entry(
object_size=OBJECT_SIZE, pid=PID, node_address=NODE_ADDRESS
):
return build_memory_entry(
local_ref_count=0,
pinned_in_memory=True,
submitted_task_reference_count=0,
contained_in_owned=[],
object_size=object_size,
pid=pid,
node_address=node_address,
)
def build_entry(
object_size=OBJECT_SIZE,
pid=PID,
node_address=NODE_ADDRESS,
reference_type=ReferenceType.PINNED_IN_MEMORY,
):
if reference_type == ReferenceType.USED_BY_PENDING_TASK:
return build_used_by_pending_task_entry(
pid=pid, object_size=object_size, node_address=node_address
)
elif reference_type == ReferenceType.LOCAL_REFERENCE:
return build_local_reference_entry(
pid=pid, object_size=object_size, node_address=node_address
)
elif reference_type == ReferenceType.PINNED_IN_MEMORY:
return build_pinned_in_memory_entry(
pid=pid, object_size=object_size, node_address=node_address
)
elif reference_type == ReferenceType.ACTOR_HANDLE:
return build_actor_handle_entry(
pid=pid, object_size=object_size, node_address=node_address
)
elif reference_type == ReferenceType.CAPTURED_IN_OBJECT:
return build_captured_in_object_entry(
pid=pid, object_size=object_size, node_address=node_address
)
def test_invalid_memory_entry():
memory_entry = build_memory_entry(
local_ref_count=0,
pinned_in_memory=False,
submitted_task_reference_count=0,
contained_in_owned=[],
object_size=OBJECT_SIZE,
pid=PID,
)
assert memory_entry.is_valid() is False
memory_entry = build_memory_entry(
local_ref_count=0,
pinned_in_memory=False,
submitted_task_reference_count=0,
contained_in_owned=[],
object_size=-1,
pid=PID,
)
assert memory_entry.is_valid() is False
def test_valid_reference_memory_entry():
memory_entry = build_local_reference_entry()
assert memory_entry.reference_type == ReferenceType.LOCAL_REFERENCE.value
assert memory_entry.object_ref == ray.ObjectRef(
decode_object_ref_if_needed(OBJECT_ID)
)
assert memory_entry.is_valid() is True
def test_reference_type():
# pinned in memory
memory_entry = build_pinned_in_memory_entry()
assert memory_entry.reference_type == ReferenceType.PINNED_IN_MEMORY.value
# used by pending task
memory_entry = build_used_by_pending_task_entry()
assert memory_entry.reference_type == ReferenceType.USED_BY_PENDING_TASK.value
# captued in object
memory_entry = build_captured_in_object_entry()
assert memory_entry.reference_type == ReferenceType.CAPTURED_IN_OBJECT.value
# actor handle
memory_entry = build_actor_handle_entry()
assert memory_entry.reference_type == ReferenceType.ACTOR_HANDLE.value
def test_memory_table_summary():
entries = [
build_pinned_in_memory_entry(),
build_used_by_pending_task_entry(),
build_captured_in_object_entry(),
build_actor_handle_entry(),
build_local_reference_entry(),
build_local_reference_entry(),
]
memory_table = MemoryTable(entries)
assert len(memory_table.group) == 1
assert memory_table.summary["total_actor_handles"] == 1
assert memory_table.summary["total_captured_in_objects"] == 1
assert memory_table.summary["total_local_ref_count"] == 2
assert memory_table.summary["total_object_size"] == len(entries) * OBJECT_SIZE
assert memory_table.summary["total_pinned_in_memory"] == 1
assert memory_table.summary["total_used_by_pending_task"] == 1
def test_memory_table_sort_by_pid():
unsort = [1, 3, 2]
entries = [build_entry(pid=pid) for pid in unsort]
memory_table = MemoryTable(entries, sort_by_type=SortingType.PID)
sort = sorted(unsort)
for pid, entry in zip(sort, memory_table.table):
assert pid == entry.pid
def test_memory_table_sort_by_reference_type():
unsort = [
ReferenceType.USED_BY_PENDING_TASK,
ReferenceType.LOCAL_REFERENCE,
ReferenceType.LOCAL_REFERENCE,
ReferenceType.PINNED_IN_MEMORY,
]
entries = [build_entry(reference_type=reference_type) for reference_type in unsort]
memory_table = MemoryTable(entries, sort_by_type=SortingType.REFERENCE_TYPE)
sort = sorted([entry.value for entry in unsort])
for reference_type, entry in zip(sort, memory_table.table):
assert reference_type == entry.reference_type
def test_memory_table_sort_by_object_size():
unsort = [312, 214, -1, 1244, 642]
entries = [build_entry(object_size=object_size) for object_size in unsort]
memory_table = MemoryTable(entries, sort_by_type=SortingType.OBJECT_SIZE)
sort = sorted(unsort)
for object_size, entry in zip(sort, memory_table.table):
assert object_size == entry.object_size
def test_group_by():
node_second = "127.0.0.2"
node_first = "127.0.0.1"
entries = [
build_entry(node_address=node_second, pid=2),
build_entry(node_address=node_second, pid=1),
build_entry(node_address=node_first, pid=2),
build_entry(node_address=node_first, pid=1),
]
memory_table = MemoryTable(entries)
# Make sure it is correctly grouped
assert node_first in memory_table.group
assert node_second in memory_table.group
# make sure pid is sorted in the right order.
for group_key, group_memory_table in memory_table.group.items():
pid = 1
for entry in group_memory_table.table:
assert pid == entry.pid
pid += 1
if __name__ == "__main__":
import sys
import pytest
sys.exit(pytest.main(["-v", __file__]))