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Type: Enhancement
Resolution: Unresolved
Priority: P4
Fix Version/s: None
Affects Version/s: None
Component/s: core-libs
Labels:
- 8bpr-critical-watch

Subcomponent:
java.nio
Understanding:
In Review
OS:

os_x

WatchService on MacOS is still implemented by the generic PollingWatchService, which continuously re-scans the directory consuming CPU, introduces large latencies to the generated WatchEvent's, and misses changes that occur faster than the re-scan interval. At the same time, there are two technologies available on the platform to receive the necessary information from the OS similar to what is available on Windows and Linux: Kernel Queues and File System Events, the latter being more suitable for implementing the WatchServie functionality.

csr for

JDK-8296164 (fs) introduce system property to choose WatchService on macOS

Draft

duplicates

JDK-7133447 (fs) Need WatchService optimized for macOS

Closed

relates to

JDK-8303413 (fs) Ignore polling interval sensitivity modifiers in PollingWatchService

Resolved

JDK-8332530 ENTRY_CREATE event not always emitted when copying file into the folder

Resolved

JDK-8174819 java/nio/file/WatchService/LotsOfEvents.java fails intermittently

Closed

JDK-8288627 (fs) Implement WatchService using system library (aix)

links to

Review openjdk/jdk/10140

(1 relates to, 1 links to)

Assignee:: Maxim Kartashev

Reporter:: Maxim Kartashev

Votes:: 0 Vote for this issue

Watchers:: 5 Start watching this issue

Created:: 2022-08-30 00:30

Updated:: 2024-05-20 13:32

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