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From: Juergen Gross <jgross@suse.com>
To: Ian Jackson <iwj@xenproject.org>
Cc: xen-devel@lists.xenproject.org, Wei Liu <wl@xen.org>
Subject: Re: [PATCH v5 2/2] tools/xenstore: set open file descriptor limit for xenstored
Date: Wed, 29 Sep 2021 07:31:33 +0200	[thread overview]
Message-ID: <3c9bfe5d-c471-c771-d6a7-a15cca466cb6@suse.com> (raw)
In-Reply-To: <24915.13356.139165.259646@mariner.uk.xensource.com>


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On 28.09.21 17:26, Ian Jackson wrote:
> Juergen Gross writes ("Re: [PATCH v5 2/2] tools/xenstore: set open file descriptor limit for xenstored"):
>> Hmm, maybe I should just use:
>>
>> prlimit --nofile=$XENSTORED_MAX_OPEN_FDS \
>>      $XENSTORED --pid-file @XEN_RUN_DIR@/xenstored.pid $XENSTORED_ARGS
> 
> I guess that would probably work (although it involves another
> exec) but I don't understand what's wrong with ulimit, which is a
> shell builtin.

My main concern with ulimit is that this would set the open file limit
for _all_ children of the script. I don't think right now this is a real
problem, but it feels wrong to me (systemd-notify ought to be fine, but
you never know ...).


Juergen

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  reply	other threads:[~2021-09-29  5:31 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-28  9:15 [PATCH v5 0/2] tools/xenstore: set resource limits of xenstored Juergen Gross
2021-09-28  9:15 ` [PATCH v5 1/2] tools/xenstore: set oom score for xenstore daemon on Linux Juergen Gross
2021-09-28  9:15 ` [PATCH v5 2/2] tools/xenstore: set open file descriptor limit for xenstored Juergen Gross
2021-09-28 12:02   ` Ian Jackson
2021-09-28 12:15     ` Juergen Gross
2021-09-28 15:26       ` Ian Jackson
2021-09-29  5:31         ` Juergen Gross [this message]
2021-10-11  9:31           ` Ian Jackson

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