Tim Armstrong created IMPALA-7145:
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Summary: Memory leak when looping test_spilling_naaj
Key: IMPALA-7145
URL: https://issues.apache.org/jira/browse/IMPALA-7145
Project: IMPALA
Issue Type: Bug
Components: Backend
Affects Versions: Impala 2.13.0, Impala 3.1.0
Reporter: Tim Armstrong
Assignee: Tim Armstrong
I tried looping this test for a while to flush out a different issue and
discovered a memory leak:
{noformat}
while impala-py.test tests/query_test/test_spilling.py -k naaj -n4 --verbose;
do date; done
{noformat}
Eventually the test fails with "Memory Limit Exceeded" and there is a huge
amount of untracked memory reported on /memz.
I tried running the heap growth profiler and the only suspicious thing I saw
was CRYPTO_malloc, similar to IMPALA-6792. My current hypothesis is that it's
something related to disk spill encryption and we haven't noticed it before
because we had disk spill encryption off.
I'm looking the test with disk spill encryption disabled to see if the leak
also occurs then.
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