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https://issues.apache.org/jira/browse/ARROW-3241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16616737#comment-16616737
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Wes McKinney commented on ARROW-3241:
-------------------------------------
This works for me with the codebase as of when this test was added
https://github.com/apache/arrow/commit/628b74b0de0a3d7ea6d7f424f605922fb8637b46
in ARROW-3116. I'm going to bisect to see if I can find the commit where it
broke
> [Plasma] test_plasma_list test failure on Ubuntu 14.04
> ------------------------------------------------------
>
> Key: ARROW-3241
> URL: https://issues.apache.org/jira/browse/ARROW-3241
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Reporter: Wes McKinney
> Priority: Major
> Fix For: 0.11.0
>
>
> This test fails consistently for me on Ubuntu 14.04 / Python 3.6.5
> {code}
> pyarrow/tests/test_plasma.py::test_plasma_list FAILED
>
> [ 83%]
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> captured stderr
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> Allowing the Plasma store to use up to 0.1GB of memory.
> 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:825: AssertionError
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entering PDB
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> > /home/wesm/code/arrow/python/pyarrow/tests/test_plasma.py(825)test_plasma_list()
> -> assert l3[v]["ref_count"] == 1
> {code}
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