high cpu consumption from java file notification libary

[eostermueller]

[eostermueller]

thread-dumps.zip

"main" #1 prio=5 os_prio=0 cpu=2231890.63ms elapsed=74353.14s tid=0x000001ee3d757000 nid=0xb50 runnable  [0x0000002720bfc000]
   java.lang.Thread.State: RUNNABLE
        at sun.nio.fs.WindowsNativeDispatcher.CreateFile0([email protected]/Native Method)
        at sun.nio.fs.WindowsNativeDispatcher.CreateFile([email protected]/WindowsNativeDispatcher.java:71)
        at sun.nio.fs.WindowsChannelFactory.open([email protected]/WindowsChannelFactory.java:308)
        at sun.nio.fs.WindowsChannelFactory.newFileChannel([email protected]/WindowsChannelFactory.java:168)
        at sun.nio.fs.WindowsFileSystemProvider.checkReadAccess([email protected]/WindowsFileSystemProvider.java:330)
        at sun.nio.fs.WindowsFileSystemProvider.checkAccess([email protected]/WindowsFileSystemProvider.java:367)
        at sun.nio.fs.AbstractFileSystemProvider.exists([email protected]/AbstractFileSystemProvider.java:151)
        at java.nio.file.Files.exists([email protected]/Files.java:2434)
        at com.github.eostermueller.perfgoat.BlockOnSentinelFile.block(BlockOnSentinelFile.java:74)
        at com.github.eostermueller.perfgoat.ITBlock.test(ITBlock.java:16)
        at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0([email protected]/Native Method)

[eostermueller]

Looks like this has been highlighted before:
https://bugs.openjdk.org/browse/JDK-8230055