Hello world,
I'm using the excellent "amavis-logwatch"[1] tool to create a report
about amavisd-new timing statistics. Those are capured with
$log_level = 2;
$syslog_facility = 'local5';
$syslog_priority = 'debug';
and written to a dedicated logilfe as recommended by the documentation
which is provided by amavis-logwatch.
The timing statistics look like this:
,----[ amavisd-new timing statistics ]
| Scan Time Percentiles % Time Total (s) 0% 5% 25%
50% 75% 95% 100%
|
-------------------------------------------------------------------------------------------------------------------
| get-file-type2 34.19% 700.358 0.083 0.146 0.152
0.157 0.161 0.182 2.242
| SA check 19.87% 406.995 0.346 0.503 0.720
1.062 2.414 4.327 15.734
| SMTP DATA 7.06% 144.622 0.001 0.022 0.032
0.034 0.035 0.036 0.119
| sql-enter 6.92% 141.678 0.003 0.007 0.010
0.012 0.018 0.061 8.747
| fwd-end-chkpnt 5.85% 119.855 0.003 0.004 0.006
0.009 0.011 0.060 3.578
| mime_decode 4.53% 92.754 0.006 0.014 0.016
0.016 0.017 0.030 1.688
| main_log_entry 3.05% 62.457 0.007 0.013 0.013
0.013 0.014 0.016 0.390
| sql-update 2.98% 61.024 0.002 0.003 0.004
0.004 0.015 0.031 2.416
| fwd-connect 2.91% 59.570 0.004 0.007 0.008
0.008 0.008 0.020 1.073
| lookup_sql 2.18% 44.624 0.002 0.003 0.005
0.005 0.005 0.009 2.322
| fwd-mail-pip 1.37% 28.111 0.001 0.002 0.002
0.003 0.003 0.021 0.884
| ...
`----
It is not surprising for me that "SA check" consumes a lot of time -
but I am rather puzzled by the amount of CPu cycles "get-file-type2"
consumed. What exactly is done in "get-file-type2"? Is the ration (one
third of all computing time consumed by it) a normal one ("to be
expected") or is this indicating some serious misconfiguration on my
part?
JFTR, this is an amavisd-new 2.5.3 (Debian package). $MYHOME/tmp is a
normal disk filesystem, not some kind of ram-only fs [2]. My file(1)
utility is:
,----[ file -v output ]
| file-4.17
| magic file from /etc/magic:/usr/share/file/magic
`----
Ciao
Stefan
[1] http://www.mikecappella.com/logwatch/
[2] http://www.arschkrebs.de/postfix/amavisd_tmpfs.shtml
--
Stefan Förster http://www.incertum.net/ Public Key: 0xBBE2A9E9
FdI #284: MCSE - May Certified Stupidity Excel (Holger Lubitz)
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