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From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Juergen Gross <jgross@suse.com>, <xen-devel@lists.xenproject.org>
Cc: Ian Jackson <iwj@xenproject.org>, Wei Liu <wl@xen.org>
Subject: Re: [PATCH v4 2/2] tools/xenstore: set open file descriptor limit for xenstored
Date: Mon, 27 Sep 2021 15:13:35 +0100	[thread overview]
Message-ID: <f858dda9-b844-48e4-c079-75296cc36316@citrix.com> (raw)
In-Reply-To: <20210927104813.19772-3-jgross@suse.com>

On 27/09/2021 11:48, Juergen Gross wrote:
> Add a configuration item for the maximum number of open file
> descriptors xenstored should be allowed to have.
>
> The default should be "unlimited" in order not to restrict xenstored
> in the number of domains it can support, but unfortunately the prlimit
> command requires specification of a real value for the number of files,
> so use 262144 as the default value.

Citation needed.

prlimit -nunlimited

prlimit --nofile=unlimited

both work fine, and strace confirms they issue correct system calls.

Support for "unlimited" as a parameter has existed for the entire
lifetime of the utility,
https://github.com/karelzak/util-linux/commit/6bac2825af7216c5471148e219dbcf62ec5ede84

~Andrew



  reply	other threads:[~2021-09-27 14:14 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-27 10:48 [PATCH v4 0/2] tools/xenstore: set resource limits of xenstored Juergen Gross
2021-09-27 10:48 ` [PATCH v4 1/2] tools/xenstore: set oom score for xenstore daemon on Linux Juergen Gross
2021-09-27 14:44   ` Ian Jackson
2021-09-27 10:48 ` [PATCH v4 2/2] tools/xenstore: set open file descriptor limit for xenstored Juergen Gross
2021-09-27 14:13   ` Andrew Cooper [this message]
2021-09-27 14:24     ` Juergen Gross
2021-09-27 14:40       ` Andrew Cooper
2021-09-27 14:52         ` Juergen Gross
2021-09-27 14:54           ` Andrew Cooper
2021-09-27 14:57             ` Juergen Gross
2021-09-27 15:19               ` Ian Jackson
2021-09-27 15:12       ` Ian Jackson

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