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	1004	February 12, 2023
Ray Autoscaler Too Many Files Open Ray Core	5	1674	April 14, 2021
Cannot connect to Ray head after some workload Ray Clusters	2	808	October 25, 2022
Ray Actor Dying unexpectedly Ray Core	8	3763	October 21, 2022
GCS process ID keeps changing Ray Core	1	345	October 3, 2022

GCS too many open files

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