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From: Steve Grubb <sgrubb@redhat.com>
To: Paul Moore <paul@paul-moore.com>
Cc: linux-audit@redhat.com
Subject: Re: [PATCH] audit: optionally print warning after waiting to enqueue record
Date: Thu, 18 Jun 2020 10:36:43 -0400	[thread overview]
Message-ID: <8359651.kEV6mM8lSS@x2> (raw)
In-Reply-To: <CAHC9VhRVk0OtY=r9iKyVmJJX6m4+oWWV0=idy-FOS9zOszMcKQ@mail.gmail.com>

On Thursday, June 18, 2020 9:46:54 AM EDT Paul Moore wrote:
> On Thu, Jun 18, 2020 at 9:39 AM Steve Grubb <sgrubb@redhat.com> wrote:
> > The kernel cannot grow the backlog unbounded. If you do nothing, the
> > backlog is 64 - which is too small to really use. Otherwise, you set the
> > backlog to a finite number with the -b option.
> 
> If one were to set the backlog limit to 0, it is effectively disabled
> allowing the backlog to grow without any restrictions placed on it by
> the audit subsystem.

Then I'd say you asked for it. The cure is setting a number. But regardless, 
we could use some metrics on the backlog and visibility into the time it 
takes to dequeue. That might signal problems with plugins or overly agressive 
rules.

-Steve



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  reply	other threads:[~2020-06-18 14:37 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-16  4:58 [PATCH] audit: optionally print warning after waiting to enqueue record Max Englander
2020-06-17 18:47 ` Paul Moore
2020-06-17 22:54   ` Max Englander
2020-06-18  1:06     ` Paul Moore
2020-06-18 23:48       ` Max Englander
2020-06-19  0:30         ` Richard Guy Briggs
2020-06-24  0:15           ` Paul Moore
2020-06-25  3:34             ` Max Englander
2020-06-18 13:39     ` Steve Grubb
2020-06-18 13:46       ` Paul Moore
2020-06-18 14:36         ` Steve Grubb [this message]
2020-06-18 16:29           ` Paul Moore
2020-06-18 22:57       ` Max Englander

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