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https://issues.apache.org/jira/browse/ARROW-3344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16685711#comment-16685711
]
Wes McKinney commented on ARROW-3344:
-------------------------------------
This bug is still present for me on Ubuntu 14.04
{code}
pyarrow/tests/test_plasma.py::test_plasma_list FAILED
[ 83%]
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> captured stderr
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
../src/plasma/store.cc:1000: Allowing the Plasma store to use up to 0.1GB of
memory.
../src/plasma/store.cc:1030: Starting object store with directory /dev/shm and
huge page support disabled
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> traceback
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
@pytest.mark.plasma
def test_plasma_list():
import pyarrow.plasma as plasma
with plasma.start_plasma_store(
plasma_store_memory=DEFAULT_PLASMA_STORE_MEMORY) \
as (plasma_store_name, p):
plasma_client = plasma.connect(plasma_store_name, "", 0)
# Test sizes
u, _, _ = create_object(plasma_client, 11, metadata_size=7,
seal=False)
l1 = plasma_client.list()
assert l1[u]["data_size"] == 11
assert l1[u]["metadata_size"] == 7
# Test ref_count
v = plasma_client.put(np.zeros(3))
l2 = plasma_client.list()
# Ref count has already been released
assert l2[v]["ref_count"] == 0
a = plasma_client.get(v)
l3 = plasma_client.list()
> assert l3[v]["ref_count"] == 1
E assert 0 == 1
pyarrow/tests/test_plasma.py:966: AssertionError
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entering PDB
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> /home/wesm/code/arrow/python/pyarrow/tests/test_plasma.py(966)test_plasma_list()
-> assert l3[v]["ref_count"] == 1
{code}
> [Python] test_plasma.py fails (in test_plasma_list)
> ---------------------------------------------------
>
> Key: ARROW-3344
> URL: https://issues.apache.org/jira/browse/ARROW-3344
> Project: Apache Arrow
> Issue Type: Bug
> Components: Plasma (C++), Python
> Reporter: Antoine Pitrou
> Priority: Major
>
> I routinely get the following failure in {{test_plasma.py}}:
> {code}
> Traceback (most recent call last):
> File "/home/antoine/arrow/python/pyarrow/tests/test_plasma.py", line 825,
> in test_plasma_list
> assert l3[v]["ref_count"] == 1
> AssertionError: assert 0 == 1
> -------------------------------- Captured stderr call
> ---------------------------------
> ../src/plasma/store.cc:926: Allowing the Plasma store to use up to 0.1GB of
> memory.
> ../src/plasma/store.cc:956: Starting object store with directory /dev/shm and
> huge page support disabled
> {code}
> I'm not sure whether there's something wrong in my setup (on Ubuntu 18.04,
> x86-64), or it's a genuine bug.
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