[Fix](hdfs-fs)The cache expiration should explicitly release the held fs#38610
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CalvinKirs merged 4 commits intoapache:masterfrom Sep 6, 2024
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[Fix](hdfs-fs)The cache expiration should explicitly release the held fs#38610CalvinKirs merged 4 commits intoapache:masterfrom
CalvinKirs merged 4 commits intoapache:masterfrom
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TPC-H: Total hot run time: 42018 ms |
TPC-DS: Total hot run time: 170660 ms |
ClickBench: Total hot run time: 30.15 s |
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TPC-H: Total hot run time: 41740 ms |
TPC-DS: Total hot run time: 169975 ms |
ClickBench: Total hot run time: 29.92 s |
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TPC-H: Total hot run time: 41306 ms |
TPC-DS: Total hot run time: 170308 ms |
ClickBench: Total hot run time: 29.81 s |
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ClickBench: Total hot run time: 31.78 s |
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TPC-H: Total hot run time: 38125 ms |
TPC-DS: Total hot run time: 186322 ms |
ClickBench: Total hot run time: 31.42 s |
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… fs (apache#38610) ## Proposed changes The RemoteFSPhantomManager class is responsible for managing phantom references of RemoteFileSystem objects, ensuring that the associated FileSystem resources are automatically cleaned up when RemoteFileSystem objects are garbage collected. Key features: - Phantom Reference Monitoring: The class uses a ReferenceQueue and PhantomReference to track RemoteFileSystem objects. When these objects are no longer in use and garbage collected, the class ensures the corresponding FileSystem resources are properly closed to prevent resource leaks. - Thread-safe Cleanup: It provides a thread-safe mechanism to start a cleanup thread only once. This thread runs periodically, checking the ReferenceQueue and closing any unused FileSystem resources. Resource Management: The class maintains a map between phantom references and their corresponding FileSystem objects, ensuring that these resources are cleaned up appropriately. - The cleanup thread runs at regular intervals, ensuring that any RemoteFileSystem object that is no longer in use is safely removed along with its associated FileSystem resources. (cherry picked from commit 922ec3a)
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… fs (#38610) ## Proposed changes The RemoteFSPhantomManager class is responsible for managing phantom references of RemoteFileSystem objects, ensuring that the associated FileSystem resources are automatically cleaned up when RemoteFileSystem objects are garbage collected. Key features: - Phantom Reference Monitoring: The class uses a ReferenceQueue and PhantomReference to track RemoteFileSystem objects. When these objects are no longer in use and garbage collected, the class ensures the corresponding FileSystem resources are properly closed to prevent resource leaks. - Thread-safe Cleanup: It provides a thread-safe mechanism to start a cleanup thread only once. This thread runs periodically, checking the ReferenceQueue and closing any unused FileSystem resources. Resource Management: The class maintains a map between phantom references and their corresponding FileSystem objects, ensuring that these resources are cleaned up appropriately. - The cleanup thread runs at regular intervals, ensuring that any RemoteFileSystem object that is no longer in use is safely removed along with its associated FileSystem resources.
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… fs (apache#38610) ## Proposed changes The RemoteFSPhantomManager class is responsible for managing phantom references of RemoteFileSystem objects, ensuring that the associated FileSystem resources are automatically cleaned up when RemoteFileSystem objects are garbage collected. Key features: - Phantom Reference Monitoring: The class uses a ReferenceQueue and PhantomReference to track RemoteFileSystem objects. When these objects are no longer in use and garbage collected, the class ensures the corresponding FileSystem resources are properly closed to prevent resource leaks. - Thread-safe Cleanup: It provides a thread-safe mechanism to start a cleanup thread only once. This thread runs periodically, checking the ReferenceQueue and closing any unused FileSystem resources. Resource Management: The class maintains a map between phantom references and their corresponding FileSystem objects, ensuring that these resources are cleaned up appropriately. - The cleanup thread runs at regular intervals, ensuring that any RemoteFileSystem object that is no longer in use is safely removed along with its associated FileSystem resources. (cherry picked from commit 922ec3a)
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Proposed changes
The RemoteFSPhantomManager class is responsible for managing phantom references of RemoteFileSystem objects, ensuring that the associated FileSystem resources are automatically cleaned up when RemoteFileSystem objects are garbage collected.
Key features:
Resource Management: The class maintains a map between phantom references and their corresponding FileSystem objects, ensuring that these resources are cleaned up appropriately.