Jerry Cwiklik created UIMA-4862:
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Summary: UIMA-DUCC: cgcreate fails sometimes when run concurrently
Key: UIMA-4862
URL: https://issues.apache.org/jira/browse/UIMA-4862
Project: UIMA
Issue Type: Bug
Components: DUCC
Reporter: Jerry Cwiklik
Assignee: Jerry Cwiklik
Fix For: 2.1.0-Ducc
For some strange reason cgcreate fails to create cgroup when running
concurrently. What is strange is that CGroupsManager.createContainer() uses
synchronized code using CGroupManager.class which provides class level
locking. So there should not be any contention at all. Yet if run concurrently
the cgcreate consistently fails unless there is sufficient wait time added
between calls.
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