Epoll: Fix excessive CPU usage when Channel is only registered but no…#16260
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normanmaurer merged 1 commit into5.0from Feb 12, 2026
Merged
Epoll: Fix excessive CPU usage when Channel is only registered but no…#16260normanmaurer merged 1 commit into5.0from
normanmaurer merged 1 commit into5.0from
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#16250) …t bound / connected Motivation: We should only add a fd (Channel) to epoll onec it is considered active (connected) as otherwise we will receive EPOLLHUP events until it is active. This can lead to excessive CPU usage. Modifications: Delay adding of fd to epoll until it is considered active / connected. Result: Fixes #16240
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…… (#16250)
…t bound / connected
Motivation:
We should only add a fd (Channel) to epoll onec it is considered active (connected) as otherwise we will receive EPOLLHUP events until it is active. This can lead to excessive CPU usage.
Modifications:
Delay adding of fd to epoll until it is considered active / connected.
Result:
Fixes #16240