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Date:      Mon, 10 Oct 2022 17:20:11 -0700 (PDT)
From:      Roger Marquis <marquis@roble.com>
To:        freeBSD ports <freebsd-ports@FreeBSD.org>
Cc:        Michael Grimm <trashcan@ellael.org>, "cy@freebsd.org" <cy@FreeBSD.org>
Subject:   Re: security/py-fail2ban quits working after some hours
Message-ID:  <pqrnp6nq-7p8o-19o4-pq24-26p19qr733sn@mx.roble.com>
In-Reply-To: <20221010204219.4A3ED19F@slippy.cwsent.com>
References:  <6EF1B25D-3121-4FA1-BF47-DCE1FFD64A5E@ellael.org> <20221010204219.4A3ED19F@slippy.cwsent.com>

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Cy Schubert wrote:
> Michael Grimm writes:
>> this is a recent stable/13-n252672-2bd3dbe3dd6 running =
>> py39-fail2ban-1.0.1_2 and python39-3.9.14
>> I have been running fail2ban for years now, but immediately after =
>> upgrading py39-fail2ban fron 0.11.2 to 1.0.1 the fail2ban-server will =
>> end up as a runaway process consuming all CPU time. This happens between =
>> 4 to 24 hours after initial fail2ban-server startup.

Am running fail2ban-1.0.1_2 and python38-3.8.14 did have a similar
startup issue.  Could not use the 'service' command and had to restort
to 'kill -9' to stop.  Fix for that was to delete /var/{run,db}/fail2ban/*
and restart.

Still seeing relatively high CPU utilization compared to the previous
version though it rotates cores quickly.

     PID USERNAME THR PRI NICE SIZE RES STATE C  TIME    WCPU COMMAND
   67125 root      17  20    0  74M 12M uwait 8 23.7H 102.94% python3.8

Voluntary Context SWitches seem high compared to other processes though
have no previous benchmark to compare.

     PID USERNAME VCSW IVCSW  READ WRITE FAULT TOTAL PERCENT COMMAND
   67125 root     5907    23     0     0     0     0   0.00% python3.8

Only reading from 5 logfiles; kernel is 12.3-RELEASE-p7; fail2ban built
from ports; truss reporting mostly "ERR#60 'Operation timed out'"...

Roger Marquis



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