https://bz.apache.org/bugzilla/show_bug.cgi?id=69264

--- Comment #5 from Guido Jäkel <[email protected]> ---
Dear Rainer, (nice to read you again!)

A) that's on Gentoo Linux

root@prodchi0 ~ # apache2 -V
Server version: Apache/2.4.61 (Unix)
Server built:   Jul 16 2024 15:50:16
Server's Module Magic Number: 20120211:134
Server loaded:  APR 1.7.4, APR-UTIL 1.6.3, PCRE 10.42 2022-12-11
Compiled using: APR 1.7.4, APR-UTIL 1.6.3, PCRE 10.42 2022-12-11
Architecture:   64-bit
Server MPM:     worker
  threaded:     yes (fixed thread count)
    forked:     yes (variable process count)

root@prodchi0 ~ # /lib/libc.so.6 
GNU C Library (Gentoo 2.38-r10 (patchset 10)) stable release version 2.38.
Copyright (C) 2023 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
Compiled by GNU CC version 13.2.1 20230826.
libc ABIs: UNIQUE IFUNC ABSOLUTE
Minimum supported kernel: 3.2.0
For bug reporting instructions, please see:
<https://bugs.gentoo.org/>

root@prodchi0 ~ # uname -a
Linux prodchi0 6.6.13-gentoo #1 SMP PREEMPT_DYNAMIC Mon Jan 29 13:22:19 CET
2024 x86_64 Intel(R) Xeon(R) Gold 6348 CPU @ 2.60GHz GenuineIntel GNU/Linux

B) As stated in my first comment, I was wrong with "always 4K tail". It takes a
lot of time to investigate, e.g.

    root@prodchi0 ~ # bzcat ~apache/logs/forensic.log.20240814.prodchi0.bz2 |
grep '^.\{22\}|[^+-]' -o

run for more than 2h and got 229 matches in the 100GB+ logfile of a day.


C) Of course, using 'cat' instead of the script is the obvious cross check. It
seems that one may use the tag ForensicLog more than once. But I discoverd this
in production, yet. And I will not change configuration on Friday ;)


D) Yes, there are unhurt request with bigger size in this second snippet:

root@prodchi0 ~ # cat forensic.log.20240814-003715+1s | grep '^.\{22\}|[+-].*'
| while read line; do printf "%4d  %s\n" "$(echo -n "${line:23}" | wc -c)"
"${line:0:120}"; done | grep '^[^ ]'
4917  20240814-003715.000189|+ZrvgGxomNW9XyoUwnxNMeQAAAME|GET
/pica-record-tree-service/records/idn/1195408781?&l=039B%25239%2
4917  20240814-003715.008977|+ZrvgG8bPOhrfFHs-fLqyDwAAAWc|GET
/pica-record-tree-service/records/idn/1316313271?&l=039B%25239%2
4917  20240814-003715.014844|+ZrvgG5vvk1EExc8DKUceaAAAAIE|GET
/pica-record-tree-service/records/idn/1188016385?&l=039B%25239%2
4917  20240814-003715.018350|+ZrvgGxomNW9XyoUwnxNMfQAAAMM|GET
/pica-record-tree-service/records/idn/1316314073?&l=039B%25239%2
3889  20240814-003715.018897|+ZrvgG6_yvmQt7JfNhSyrLAAAABo|GET
/solr/zdb.cur/select?q=%2528%2528idn%253A%2522020587090%2522%252
4917  20240814-003715.019854|+ZrvgG6_yvmQt7JfNhSyrLgAAAAw|GET
/pica-record-tree-service/records/idn/1162987855?&l=039B%25239%2
4917  20240814-003715.076174|+ZrvgG8bPOhrfFHs-fLqyLAAAAWc|GET
/pica-record-tree-service/records/idn/1191012158?&l=039B%25239%2
4917  20240814-003715.099268|+ZrvgGxomNW9XyoUwnxNMkwAAAMM|GET
/pica-record-tree-service/records/idn/1316312852?&l=039B%25239%2
4917  20240814-003715.110062|+ZrvgGxomNW9XyoUwnxNMlwAAAOo|GET
/pica-record-tree-service/records/idn/1316313654?&l=039B%25239%2
4917  20240814-003715.126454|+ZrvgGxomNW9XyoUwnxNMpAAAAME|GET
/pica-record-tree-service/records/idn/1316314103?&l=039B%25239%2
4985  20240814-003715.171781|+ZrvgG5vvk1EExc8DKUceogAAAIE|GET
/pica-record-tree-service/records/idn/1331403707?&l=004E%25239&l
4917  20240814-003715.171823|+ZrvgG6_yvmQt7JfNhSyraAAAAAw|GET
/pica-record-tree-service/records/idn/1316313298?&l=039B%25239%2
4917  20240814-003715.174852|+ZrvgG5vvk1EExc8DKUcepAAAALY|GET
/pica-record-tree-service/records/idn/1316314618?&l=039B%25239%2
4917  20240814-003715.175468|+ZrvgGxomNW9XyoUwnxNMtgAAAMM|GET
/pica-record-tree-service/records/idn/1316311988?&l=039B%25239%2
4917  20240814-003715.266864|+ZrvgGxomNW9XyoUwnxNM1QAAAMM|GET
/pica-record-tree-service/records/idn/1316312895?&l=039B%25239%2
4917  20240814-003715.336546|+ZrvgG5vvk1EExc8DKUceuwAAALY|GET
/pica-record-tree-service/records/idn/1193920922?&l=039B%25239%2
4917  20240814-003715.336940|+ZrvgG6_yvmQt7JfNhSyrlwAAAAw|GET
/pica-record-tree-service/records/idn/1164568914?&l=039B%25239%2
4917  20240814-003715.337439|+ZrvgG8bPOhrfFHs-fLqyXAAAAWc|GET
/pica-record-tree-service/records/idn/1191818071?&l=039B%25239%2
4917  20240814-003715.337577|+ZrvgG5vvk1EExc8DKUcevAAAAIE|GET
/pica-record-tree-service/records/idn/1316313751?&l=039B%25239%2
4917  20240814-003715.367804|+ZrvgGxomNW9XyoUwnxNM4wAAAMM|GET
/pica-record-tree-service/records/idn/1316313328?&l=039B%25239%2
1131  20240814-003715.380396|+ZrvgG5vvk1EExc8DKUcexAAAAL4|GET
/solr/zdb.cur/select?q=%2528%2528zdb%253A40730-6%2529%2529+AND+%
4917  20240814-003715.402622|+ZrvgGxomNW9XyoUwnxNM5wAAAOo|GET
/pica-record-tree-service/records/idn/1190495406?&l=039B%25239%2
4917  20240814-003715.503091|+ZrvgG6_yvmQt7JfNhSyrqAAAABg|GET
/pica-record-tree-service/records/idn/1316313069?&l=039B%25239%2
4917  20240814-003715.503343|+ZrvgG4phZGR5Hqhtbq4NBgAAAEA|GET
/pica-record-tree-service/records/idn/1316314111?&l=039B%25239%2
4917  20240814-003715.503368|+ZrvgG5vvk1EExc8DKUceyAAAAIE|GET
/pica-record-tree-service/records/idn/1316314634?&l=039B%25239%2
4917  20240814-003715.503531|+ZrvgG5vvk1EExc8DKUceygAAALY|GET
/pica-record-tree-service/records/idn/1174980087?&l=039B%25239%2
4917  20240814-003715.503615|+ZrvgG6_yvmQt7JfNhSyrsQAAACQ|GET
/pica-record-tree-service/records/idn/1188101935?&l=039B%25239%2
4917  20240814-003715.504352|+ZrvgG8bPOhrfFHs-fLqydgAAAUM|GET
/pica-record-tree-service/records/idn/1316314952?&l=039B%25239%2
4124  20240814-003715.504822|+ZrvgGxomNW9XyoUwnxNM9QAAAME|GET
/pica-record-tree-service/records/idn/1182097413?&l=039B%25239%2
1172  20240814-003715.504886|+ZrvgG6_yvmQt7JfNhSyrwAAAABg|GET
/pica-record-tree-service/records/idn/1191012174?&l=039B%25239%2
4917  20240814-003715.557067|+ZrvgG6_yvmQt7JfNhSyr2QAAAAw|GET
/pica-record-tree-service/records/idn/1316313360?&l=039B%25239%2
4917  20240814-003715.559152|+ZrvgG5vvk1EExc8DKUce5gAAALY|GET
/pica-record-tree-service/records/idn/1316313778?&l=039B%25239%2
4917  20240814-003715.559169|+ZrvgG4phZGR5Hqhtbq4NGQAAAEA|GET
/pica-record-tree-service/records/idn/1316313077?&l=039B%25239%2
4917  20240814-003715.562256|+ZrvgG6_yvmQt7JfNhSyr3QAAACQ|GET
/pica-record-tree-service/records/idn/118758018X?&l=039B%25239%2
4917  20240814-003715.566267|+ZrvgG5vvk1EExc8DKUce6wAAAIE|GET
/pica-record-tree-service/records/idn/1316314642?&l=039B%25239%2
4917  20240814-003715.596460|+ZrvgGxomNW9XyoUwnxNNIAAAAOo|GET
/pica-record-tree-service/records/idn/1316314960?&l=039B%25239%2
4917  20240814-003715.605436|+ZrvgGxomNW9XyoUwnxNNKgAAAMM|GET
/pica-record-tree-service/records/idn/1316314316?&l=039B%25239%2
4917  20240814-003715.606380|+ZrvgG8bPOhrfFHs-fLqylgAAAUM|GET
/pica-record-tree-service/records/idn/1195408854?&l=039B%25239%2
4917  20240814-003715.665889|+ZrvgGxomNW9XyoUwnxNNMgAAAOo|GET
/pica-record-tree-service/records/idn/1194157254?&l=039B%25239%2
4917  20240814-003715.676628|+ZrvgGxomNW9XyoUwnxNNNgAAAMM|GET
/pica-record-tree-service/records/idn/1316313484?&l=039B%25239%2
4917  20240814-003715.679057|+ZrvgGxomNW9XyoUwnxNNOAAAAME|GET
/pica-record-tree-service/records/idn/1316315320?&l=039B%25239%2
4917  20240814-003715.679898|+ZrvgG5vvk1EExc8DKUce9wAAAIE|GET
/pica-record-tree-service/records/idn/1316313808?&l=039B%25239%2
1143  20240814-003715.692452|+ZrvgG6_yvmQt7JfNhSyr-gAAAB4|GET
/solr/zdb.cur/select?q=%2528%2528iss%253A%25220406-3317%2522%252
4917  20240814-003715.703431|+ZrvgG6_yvmQt7JfNhSyr_AAAACQ|GET
/pica-record-tree-service/records/idn/1191958957?&l=039B%25239%2
4917  20240814-003715.709873|+ZrvgG5vvk1EExc8DKUce-gAAALY|GET
/pica-record-tree-service/records/idn/1316313115?&l=039B%25239%2
4917  20240814-003715.731462|+ZrvgG8bPOhrfFHs-fLqyrQAAAUM|GET
/pica-record-tree-service/records/idn/1316314340?&l=039B%25239%2
4917  20240814-003715.788586|+ZrvgG5vvk1EExc8DKUcfDQAAALY|GET
/pica-record-tree-service/records/idn/131631538X?&l=039B%25239%2
4917  20240814-003715.794467|+ZrvgG8bPOhrfFHs-fLqyywAAAUM|GET
/pica-record-tree-service/records/idn/131631507X?&l=039B%25239%2
4917  20240814-003715.819418|+ZrvgGxomNW9XyoUwnxNNWAAAAOo|GET
/pica-record-tree-service/records/idn/1316314650?&l=039B%25239%2
4917  20240814-003715.823323|+ZrvgGxomNW9XyoUwnxNNWwAAAME|GET
/pica-record-tree-service/records/idn/1316313514?&l=039B%25239%2
4917  20240814-003715.823391|+ZrvgGxomNW9XyoUwnxNNXAAAAMM|GET
/pica-record-tree-service/records/idn/1316313891?&l=039B%25239%2
1139  20240814-003715.841709|+ZrvgG6_yvmQt7JfNhSysHwAAACk|GET
/solr/zdb.cur/select?q=%2528%2528all%253A%2522399-2%2522%2529%25
1117  20240814-003715.878720|+ZrvgG6_yvmQt7JfNhSysIwAAACU|GET
/solr/zdb.cur/select?q=%2528parallelEditionsOf%253A1235561704%25
4917  20240814-003715.893988|+ZrvgGxomNW9XyoUwnxNNbgAAAME|GET
/pica-record-tree-service/records/idn/1190508168?&l=039B%25239%2
4917  20240814-003715.896205|+ZrvgGxomNW9XyoUwnxNNcAAAAOo|GET
/pica-record-tree-service/records/idn/1191019845?&l=039B%25239%2
4917  20240814-003715.899004|+ZrvgGxomNW9XyoUwnxNNcwAAAMM|GET
/pica-record-tree-service/records/idn/1316315398?&l=039B%25239%2
4917  20240814-003715.899086|+ZrvgG8bPOhrfFHs-fLqy5QAAAUM|GET
/pica-record-tree-service/records/idn/1316315088?&l=039B%25239%2
4917  20240814-003715.930501|+ZrvgG5vvk1EExc8DKUcfLQAAALY|GET
/pica-record-tree-service/records/idn/1316315762?&l=039B%25239%2
4917  20240814-003715.948339|+ZrvgG6_yvmQt7JfNhSysNgAAACQ|GET
/pica-record-tree-service/records/idn/1316314677?&l=039B%25239%2
4917  20240814-003715.956818|+ZrvgG8bPOhrfFHs-fLqy6wAAAUM|GET
/pica-record-tree-service/records/idn/1316313603?&l=039B%25239%2
4917  20240814-003715.969492|+ZrvgGxomNW9XyoUwnxNNhgAAAMM|GET
/pica-record-tree-service/records/idn/1187714747?&l=039B%25239%2
4917  20240814-003715.989454|+ZrvgG6_yvmQt7JfNhSysQwAAAAw|GET
/pica-record-tree-service/records/idn/1316314359?&l=039B%25239%2
4917  20240814-003715.991755|+ZrvgG5vvk1EExc8DKUcfNgAAALY|GET
/pica-record-tree-service/records/idn/1316175936?&l=039B%25239%2
4652  20240814-003715.994138|+ZrvgG5vvk1EExc8DKUcfNwAAAIE|GET
/pica-record-tree-service/records/idn/1188164104?&l=039B%25239%2

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