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  1. JDK
  2. JDK-8331142

Add test for number of loader threads in BasicDirectoryModel

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      Description

        Add a test for JDK-8325179 which verifies the number of BasicDirectoryModel.FilesLoader background threads.

        The test is heavily inspired by the test for BasicDirectoryModel, see JDK-8327137, and its code is based on the ConcurrentModification.java code.

        The test captures snapshots of live threads and then counts the number of BasicDirectoryModel.FilesLoader threads in each snapshot.

        There should be no more than two threads. There could be two BasicDirectoryModel.FilesLoader threads after the existing thread is interrupted but hasn't exited yet, and a new thread is already created.

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            backported by

            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-8333216 Add test for number of loader threads in BasicDirectoryModel

            • 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-8333255 Add test for number of loader threads in BasicDirectoryModel

            • 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-8333287 Add test for number of loader threads in BasicDirectoryModel

            • 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-8333536 Add test for number of loader threads in BasicDirectoryModel

            • 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-8334383 Add test for number of loader threads in BasicDirectoryModel

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

            Sub-task - The sub-task of the issue JDK-8331495 Limit BasicDirectoryModel/LoaderThreadCount.java to Windows only

            • P3 - Major loss of function.
            • Resolved

            Bug - A problem which impairs or prevents the functions of the product. JDK-8331494 BasicDirectoryModel/LoaderThreadCount.java fails in CI

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

            Bug - A problem which impairs or prevents the functions of the product. JDK-8325179 Race in BasicDirectoryModel.validateFileCache

            • P3 - Major loss of function.
            • Resolved
            links to

            Commit Commit openjdk/jdk21u-dev/fcd7fb74

            Commit Commit openjdk/jdk/b2fb5ea1

            Review Review openjdk/jdk11u-dev/2778

            Review Review openjdk/jdk11u-dev/2789

            Review Review openjdk/jdk17u-dev/2590

            Review Review openjdk/jdk17u-dev/2605

            Review Review openjdk/jdk21u-dev/725

            Review Review openjdk/jdk22u/175

            Review Review openjdk/jdk/18957

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                aivanov Alexey Ivanov
                aivanov Alexey Ivanov
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                  Updated:
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