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ITS#8889 - Clarify loglevel and debug level portions of admin guide.

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This commit is contained in:
Quanah Gibson-Mount 2021-03-11 20:35:52 +00:00
parent 5f9352986d
commit 4e0f0a311d
5 changed files with 26 additions and 34 deletions
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5
doc/guide/admin/runningslapd.sdf
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@ -132,9 +132,8 @@ Level Keyword Description
You may enable multiple levels by specifying the debug option once for each desired level. Or, since debugging levels are additive, you can do the math yourself. That is, if you want to trace function calls and watch the config file being processed, you could set level to the sum of those two levels (in this case, {{EX: -d 65}}). Or, you can let slapd do the math, (e.g. {{EX: -d 1 -d 64}}). Consult {{F: <ldap_log.h>}} for more details.
Note: slapd must have been compiled with {{EX:--enable-debug}}
defined for any debugging information beyond the two stats levels
to be available (the default).
Note: slapd must have been compiled with {{EX:--enable-debug}}, which is the default,
for any debugging information other than the stats and stats2 levels to be available as options.
H2: Starting slapd

23
doc/guide/admin/slapdconf2.sdf
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@ -174,19 +174,17 @@ disables this feature.
H4: olcLogLevel: <level>
This directive specifies the level at which debugging statements
and operation statistics should be syslogged (currently logged to
This directive specifies the level at which log statements
and operation statistics should be sent to syslog (currently logged to
the {{syslogd}}(8) {{EX:LOG_LOCAL4}} facility). You must have
configured OpenLDAP {{EX:--enable-debug}} (the default) for this
to work (except for the two statistics levels, which are always
enabled). Log levels may be specified as integers or by keyword.
to work, except for the two statistics levels, which are always
enabled. Log levels may be specified as integers or by keyword.
Multiple log levels may be used and the levels are additive.
To display what levels
correspond to what kind of debugging, invoke slapd with {{EX:-d?}}
or consult the table below. The possible values for <level> are:
The possible values for <level> are:
!block table; colaligns="RL"; align=Center; \
title="Table 5.1: Debugging Levels"
title="Table 5.1: Logging Levels"
Level Keyword Description
-1 any enable all debugging
0 no debugging
@ -203,7 +201,7 @@ Level Keyword Description
1024 (0x400 shell) print communication with shell backends
2048 (0x800 parse) print entry parsing debugging
16384 (0x4000 sync) syncrepl consumer processing
32768 (0x8000 none) only messages that get logged whatever log level is set
32768 (0x8000 none) only messages that get logged regardless of configured log level
!endblock
The desired log level can be input as a single integer that
@ -222,8 +220,7 @@ are equivalent.
E: olcLogLevel -1
This will cause lots and lots of debugging information to be
logged.
This will enable all log levels.
E: olcLogLevel conns filter
@ -239,9 +236,7 @@ differs from setting the log level to 0, when no logging occurs. At least the
E: olcLogLevel stats
Basic stats logging is configured by default. However, if no olcLogLevel is
defined, no logging occurs (equivalent to a 0 level).
Basic stats logging is configured by default.
H4: olcReferral <URI>

23
doc/guide/admin/slapdconfig.sdf
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@ -130,18 +130,17 @@ loop detection is done.
H4: loglevel <level>
This directive specifies the level at which debugging statements
and operation statistics should be syslogged (currently logged to
This directive specifies the level at which log statements
and operation statistics should be sent to syslog (currently logged to
the {{syslogd}}(8) {{EX:LOG_LOCAL4}} facility). You must have
configured OpenLDAP {{EX:--enable-debug}} (the default) for this
to work (except for the two statistics levels, which are always
enabled). Log levels may be specified as integers or by keyword.
Multiple log levels may be used and the levels are additive. To display what
numbers correspond to what kind of debugging, invoke slapd with {{EX:-d?}}
or consult the table below. The possible values for <integer> are:
to work, except for the two statistics levels, which are always
enabled. Log levels may be specified as integers or by keyword.
Multiple log levels may be used and the levels are additive.
The possible values for <integer> are:
!block table; colaligns="RL"; align=Center; \
title="Table 6.1: Debugging Levels"
title="Table 6.1: Logging Levels"
Level Keyword Description
-1 any enable all debugging
0 no debugging
@ -158,7 +157,7 @@ Level Keyword Description
1024 (0x400 shell) print communication with shell backends
2048 (0x800 parse) print entry parsing debugging
16384 (0x4000 sync) syncrepl consumer processing
32768 (0x8000 none) only messages that get logged whatever log level is set
32768 (0x8000 none) only messages that get logged regardless of configured log level
!endblock
The desired log level can be input as a single integer that
@ -177,8 +176,7 @@ are equivalent.
E: loglevel -1
This will cause lots and lots of debugging information to be
logged.
This will enable all log levels.
E: loglevel conns filter
@ -194,8 +192,7 @@ differs from setting the log level to 0, when no logging occurs. At least the
E: loglevel stats
Basic stats logging is configured by default. However, if no loglevel is
defined, no logging occurs (equivalent to a 0 level).
Basic stats logging is configured by default.
H4: objectclass <{{REF:RFC4512}} Object Class Description>

4
doc/guide/admin/troubleshooting.sdf
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@ -90,8 +90,8 @@ H2: Debugging {{slapd}}(8)
After reading through the above sections and before e-mailing the OpenLDAP lists, you
might want to try out some of the following to track down the cause of your problems:
* Loglevel stats (256) is generally a good first loglevel to try for getting
information useful to list members on issues
* A loglevel of stats (256) is generally a good first loglevel to use for getting
information useful to list members on issues. This is the default loglevel if none is configured.
* Running {{slapd -d -1}} can often track down fairly simple issues, such as
missing schemas and incorrect file permissions for the {{slapd}} user to things like certs
* Check your logs for errors, as discussed at {{URL:http://www.openldap.org/faq/data/cache/358.html}}

5
doc/guide/admin/tuning.sdf
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@ -86,7 +86,7 @@ Each attribute index can be tuned further by selecting the set of index types to
General rule: don't go overboard with indexes. Unused indexes must be maintained and hence can only slow things down.
See {{slapd.conf}}(8) and {{slapdindex}}(8) for more information
See {{slapd.conf}}(5) and {{slapdindex}}(8) for more information
H3: Presence indexing
@ -148,7 +148,8 @@ The default of {{loglevel stats}} (256) is really the best bet. There's a coroll
this when problems *do* arise, don't try to trace them using syslog.
Use the debug flag instead, and capture slapd's stderr output. syslog is too
slow for debug tracing, and it's inherently lossy - it will throw away messages when it
can't keep up.
can't keep up. See {{slapd.conf}}(5) or {{slapd-config}}(5) for more information on
how to configure the loglevel.
Contrary to popular belief, {{loglevel 0}} is not ideal for production as you
won't be able to track when problems first arise.