Re: Postgresql database terminates abruptly with too many open files error

Ron Johnson <ronljohnsonjr@gmail.com>

From: Ron Johnson <ronljohnsonjr@gmail.com>
To: pgsql-general <pgsql-general@postgresql.org>
Date: 2025-01-14T13:39:27Z
Lists: pgsql-general
On Tue, Jan 14, 2025 at 7:58 AM Sri Mrudula Attili <sri@ebi.ac.uk> wrote:

> Hello Team,
>
>   We have a postgresql VDB(virtual database- Delphix) that keeps
> terminating due "to too many open files".
>
> Below are few alerts that we could see from the postgresql.log
>
>
> < 2025-01-14 11:37:20.724 GMT >LOG:  out of file descriptors: Too many
> open files in system; release and retry
>
> < 2025-01-14 11:37:20.724 GMT >FATAL:  epoll_create1 failed: Too many
> open files in system
>
>
> The number of allowed openfiles at OS level are 65000. even then we see
> these all these being utilised and causing the database to terminate.
>
>
> Is there a way we could avoid this.
>

We need more information.

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