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  1. JDK
  2. JDK-8227041

runtime/memory/RunUnitTestsConcurrently.java has a memory leak

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    • b04

    Backports

      Description

        runtime/memory/RunUnitTestsConcurrently.java attempts to stress-test the metaspace allocator by allocating a metachunk of ~512K:

        metaspace.cpp:

        static void test_virtual_space_list_large_chunk() {
           ....
            vs_list->get_new_chunk(large_size, 0);
        }

        That chunk then is leaked.

        Within RunUnitTestsConcurrently.java, this function is called in a tight loop by 30 threads concurrently for 15 seconds. Depending on how fast the machine is, this will usually eat up 10-20GB, often causing the process being OOM killed.

        This is probably also the cause for JDK-8225200.


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            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8228362 runtime/memory/RunUnitTestsConcurrently.java has a memory leak

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8228793 runtime/memory/RunUnitTestsConcurrently.java has a memory leak

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8228968 runtime/memory/RunUnitTestsConcurrently.java has a memory leak

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8229067 runtime/memory/RunUnitTestsConcurrently.java has a memory leak

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8232111 runtime/memory/RunUnitTestsConcurrently.java has a memory leak

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved
            duplicates

            Bug - A problem which impairs or prevents the functions of the product. JDK-8225200 assert(vs.actual_committed_size() >= commit_size) failed

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved
            relates to

            Enhancement - null JDK-8213269 convert test/hotspot/jtreg/runtime/memory/RunUnitTestsConcurrently to gtest

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

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                stuefe Thomas Stuefe
                stuefe Thomas Stuefe
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                  Created:
                  Updated:
                  Resolved: