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From: Florian Westphal <fw@strlen.de>
To: Vladimir Vdovin <deliran@verdict.gg>
Cc: netfilter-devel@vger.kernel.org, pablo@netfilter.org,
	coreteam@netfilter.org, phil@nwl.cc
Subject: Re: [PATCH nf-next] netfilter: nf_conncount: make number of hash slots configurable
Date: Mon, 13 Apr 2026 16:26:19 +0200	[thread overview]
Message-ID: <adz9CyDXi2wSwvjM@strlen.de> (raw)
In-Reply-To: <20260413123712.42993-1-deliran@verdict.gg>

Vladimir Vdovin <deliran@verdict.gg> wrote:
> Some workloads with high conntrack rate
> generate high lock contention on insert_tree(), so
> constant 256 CONNCOUNT_SLOTS can be too small.

No.  Compile time options suck.  No distro is going
to alter the value away from the default.

Maybe change the code to size the array dynamically
based on e.g. number of online cpus?

  parent reply	other threads:[~2026-04-13 14:26 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-13 12:37 [PATCH nf-next] netfilter: nf_conncount: make number of hash slots configurable Vladimir Vdovin
2026-04-13 13:27 ` Fernando Fernandez Mancera
2026-04-15 13:29   ` Vladimir Vdovin
2026-04-13 14:26 ` Florian Westphal [this message]
2026-04-15 13:32   ` Vladimir Vdovin
2026-04-15 13:44     ` Florian Westphal
2026-04-15 14:10       ` Vladimir Vdovin
2026-04-15 14:43       ` Florian Westphal

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