How severe does this issue affect your experience of using Ray? High Sometimes Ray GCS will complain that the TCP server has too many open files: (pid=gcs_server) E0927 23:54:58.340750467 1092 tcp_server_posix.cc:213] Failed accept4: Too many open files similar to previous issues e.g. her…

Can you give us some repro script that we can try? Setting high ulimit in a head node is the best practice in Ray (as you will have lots of connections), and actor connection should be GC’ed IIUC. But we can try reproducing it.

GCS too many open files

Ray Core

k24d February 5, 2023, 7:29pm 10

I’m not sure if this is the same as my case, but I posted a simple script that reproduces the issue:

Topic		Replies	Views
Gcs_server: Too many open files Ray Core	2	1033	February 12, 2023
Ray Autoscaler Too Many Files Open Ray Core	5	1691	April 14, 2021
Cannot connect to Ray head after some workload Ray Clusters	2	809	October 25, 2022
Ray Actor Dying unexpectedly Ray Core	8	3907	October 21, 2022
Gcs_server takes almost 100% cpu even though there's no running task Ray Core	14	1040	June 15, 2022

GCS too many open files

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