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Some ray processes remain zombie after the main process being interrupted #132

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shanyu-sys opened this issue Aug 16, 2021 · 0 comments · Fixed by intel-analytics/BigDL-2.x#4494
Closed

Some ray processes remain zombie after the main process being interrupted #132

shanyu-sys opened this issue Aug 16, 2021 · 0 comments · Fixed by intel-analytics/BigDL-2.x#4494
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shanyu-sys commented Aug 16, 2021 •
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It happens when user kill the main process with ctrl + C.

The remained zombie ray processes could be random. It might be redis-server and plasma store server, log monitor, or even some ray:IDLE processes. Sometimes all processes can be killed successfully. Zombie processes are more likely to occur on worker nodes than driver node.
@shanyu-sys shanyu-sys self-assigned this Aug 16, 2021
@shanyu-sys shanyu-sys changed the title Some ray processes remain zombie especially on worker nodes after interrupt with ctrl+c Some ray processes remain zombie after the main process being interrupted Aug 16, 2021
@shanyu-sys shanyu-sys mentioned this issue Aug 17, 2021
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@shanyu-sys shanyu-sys linked a pull request Aug 17, 2021 that will close this issue
Kill process group instead of iterator of pids in shutdown hook intel-analytics/BigDL-2.x#4494
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@liu-shaojun liu-shaojun transferred this issue from intel-analytics/BigDL-2.x Mar 5, 2024
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Kill process group instead of iterator of pids in shutdown hook shanyu-sys/analytics-zoo
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