Date: Tue, 26 May 2026 19:38:59 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Rozhuk Ivan <rozhuk.im@gmail.com> Cc: freebsd-hackers@freebsd.org, freebsd-current@freebsd.org Subject: Re: How to debug kern.ipc.maxpipekva ? Message-ID: <ahXMo1GgaBqO0f6v@kib.kiev.ua> In-Reply-To: <20260526174647.085195a4@rimwks.local>
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On Tue, May 26, 2026 at 05:49:15PM +0300, Rozhuk Ivan wrote: > Hi! > > > I have some systems that have a lot of records in dmesg: > kern.ipc.maxpipekva exceeded; see tuning(7) > kern.ipc.maxpipekva exceeded; see tuning(7) > kern.ipc.maxpipekva exceeded; see tuning(7) > > > How to find out who consume all pipes memory? > > Is it possible to add in kernel tuning to limit kern.ipc.maxpipekva per process? (like done with files and threads) > There is per-user limit RLIMIT_PIPEBUF.home | help
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