diff options
author | Tor Egge <Tor.Egge@yahoo-inc.com> | 2017-06-07 11:48:07 +0000 |
---|---|---|
committer | Tor Egge <Tor.Egge@yahoo-inc.com> | 2017-06-07 11:48:07 +0000 |
commit | 22249f89be359621fc88334d455a6d59a8b05cc6 (patch) | |
tree | b0cc8a40f4b2f351a65f2c16137331dd64528899 /vespalog/src/vespa-logfmt/vespa-logfmt.1 | |
parent | 66d4227123bff1710b5f7c82de7b1234128772fd (diff) |
Rename vespalog binaries to have vespa- prefix.
Temporarily add symlinks from old name to new name.
Diffstat (limited to 'vespalog/src/vespa-logfmt/vespa-logfmt.1')
-rw-r--r-- | vespalog/src/vespa-logfmt/vespa-logfmt.1 | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/vespalog/src/vespa-logfmt/vespa-logfmt.1 b/vespalog/src/vespa-logfmt/vespa-logfmt.1 new file mode 100644 index 00000000000..57c8d46370e --- /dev/null +++ b/vespalog/src/vespa-logfmt/vespa-logfmt.1 @@ -0,0 +1,218 @@ +.\" $Id: logfmt.1,v 1.12 2007-06-19 09:37:25 daljord Exp $ +.\" +.Dd Jun 7, 2017 +.Dt vespa-logfmt \&1 "Vespa documentation" +.Os "Yahoo! Vespa" "6.0" +.Os +.Sh NAME +.Nm vespa-logfmt +.Nd select and format messages from Vespa log files +.Sh SYNOPSIS +.Nm +.Op Fl l Ar levellist +.Op Fl s Ar fieldlist +.Op Fl p Ar pid +.Op Fl S Ar service +.Op Fl H Ar host +.Op Fl c Ar regex +.Op Fl m Ar regex +.Op Fl t +.Op Fl f +.Op Fl L +.Op Fl N +.Op Fl ts +.Op Ar +.Sh DESCRIPTION +The +.Nm +utility reads Vespa log files, select messages and writes a formatted +version of selected messages to the standard output. +.Pp +The options are as follows: +.Bl -tag -width ".It Fl l Ar levellist" +.It Fl l Ar levellist +Select which log levels to select. +The default is to select "fatal", "error", "warning" and "info" +levels, and suppress "config", "event", "debug" and "spam" levels; +but when using this option, only the named levels will be selected. +The +.Ar levellist +is a comma separated list of level names. +The name +.Em all +may be used to add all known levels. +Prepending a minus sign will deselect the level named. +Starting the list with a plus sign will add and remove levels +from the current (or default) list of levels instead +of replacing it. +.It Fl s Ar fieldlist +Select which fields of log messages to show. +The order of the actual output fields is fixed. +When using this option, only the named fields will be shown. The +fieldlist is a comma separated list of field names. The name +.Em all +may be used to add all possible fields. +Prepending a minus sign will turn off display of the named field. +Starting the list with a plus sign will add and remove fields +from the current (or default) list of fields instead +of replacing it. +.Pp +The fields which may be named are: +.Bl -tag -width component +.It time +Print the time in seconds since the epoch. +Ignored if +.Em fmttime +is shown. +.It fmttime +Print the time in human-readable [YYYY-MM-DD HH:mm:ss] format. +Note that the time is printed in the local timezone; to get GMT +output use +.Nm "\*[q]env TZ=GMT vespa-logfmt\*[q]" +as your command. +.It msecs +Add milliseconds after the seconds in +.Em time +and +.Em fmttime +output. Ignored if +.Em usecs +is in effect. +.It usecs +Add microseconds after the seconds in +.Em time +and +.Em fmttime +output. +.It host +Print the hostname field. +.It level +Print the level field (uppercased). +.It pid +Print the pid field. +.It service +Print the service field. +.It component +Print the component field. +.It message +Print the message text field. +You probably always want to add this. +.El +.Pp +Using this option several times works as if the given +.Ar fieldlist +arguments had been concatenated into one comma-separated list. +The default fields to show are as if +.Bk +.Op Fl s Ar fmttime,msecs,level,service,component,message +.Ek +had been given. +.It Fl p Ar pid +Select only messages where the pid field matches the +.Ar pid +string exactly. +.It Fl S Ar service +Select only messages where the service field matches the +.Ar service +string exactly. +.It Fl H Ar host +Select only messages where the hostname field matches the +.Ar host +string exactly. +.It Fl c Ar regex +Select only messages where the component field matches the +.Ar regex +given, using +.Xr perlre +regular expression matching. +.It Fl m Ar regex +Select only messages where the message text field matches the +.Ar regex +given, using +.Xr perlre +regular expression matching. +.It Fl f +Invoke tail -F to follow input file +.It Fl L +.It Fl -livestream +Only useful for multi-machine setups: +Invoke vespa-replicate-log-stream to follow live stream from log server, +instead of reading any input file. Also implies +.Bk +.Fl "s +host" +.Ek +as default. +.It Fl N +Dequote quoted newlines in the message text field to an actual newline plus tab. +.It Fl t +Format the component field (if shown) as a fixed-with string, +truncating if necessary. +.It Fl ts +Format the service field (if shown) as a fixed-with string, +truncating if necessary. +.El +.Sh EXAMPLES +The command: +.Pp +.Bd -literal -offset indent +vespa-logfmt -l event -s service,message,fmttime,message +.Ed +.Pp +will display only messages with log level "event", +printing a human-readable time (without any fractional seconds), +the service generating the event and the event message, like this: +.Bd -literal -offset indent +[2004-12-07 18:43:01] config-sentinel starting/1 name="logd" +[2004-12-07 18:43:01] logd started/1 name="logdemon" +[2004-12-07 18:45:51] rtc starting/1 name="rtc.index0" +[2004-12-07 18:45:51] rtc.index0 started/1 name="flexindexer.index" +[2004-12-07 18:45:51] rtc.index0 stopping/1 name="flexindexer.index" why="done" +[2004-12-07 18:45:53] rtc stopped/1 name="rtc.index0" pid=50600 exitcode=0 +[2004-12-07 18:46:13] logd stopping/1 name="logdemon" why="done ok." +[2004-12-07 18:46:13] config-sentinel stopped/1 name="logd" pid=49633 exitcode=0 +.Ed +.Pp +Note that the second "message" item in the fieldlist is redundant, +and that order of printed field is fixed no matter what the fieldlist +order is. +.Pp +The command: +.Pp +.Bd -literal -offset indent +vespa-logfmt -l all-info,-debug -s level \e + -s time,usecs,component,message -t -l -event +.Ed +.Pp +will display messages with log levels that are +.Em not +any of +.Em info, debug, +or +.Em event, +printing the time in seconds and microseconds, the log level, the +component name, and the message text, possibly somewhat like this: +.Bd -literal -offset indent +1102441382.530423 CONFIG : nc Config handle: 'pandora.0-rtx' +1102441551.471568 CONFIG : flexindexer.doc Adding document type typetest-0 +1102441573.148211 WARNING : logdemon stopping on signal 15 +1102441887.158000 WARNING : com.yahoo.fs4.m read exception +1102441935.569567 WARNING : rtc Dispatch inherited job failed for dir dispatch0 +1102442115.746001 WARNING : fdispatch Search node 172.24.94.75:10124 down +1102442474.205920 WARNING : rtx RTC (tcp/172.24.94.75:10161) : DOWN +1102442474.515877 WARNING : fdispatch Search node localhost:10128 down +1102442983.075669 ERROR : flexindexer.std Unable to find cluster map defaultcluster +.Ed +.Sh FILES +If no file argument is given, +.Nm +will read the last vespa log file $VESPA_HOME/logs/vespa/vespa.log (this also works with the +.Fl f +option). +Otherwise, reads only the files given as arguments. +To read standard input, supply a single dash '-' as a file argument. +.Sh SEE ALSO +Documentation in the "log" module for input file format. +.Sh HISTORY +Developed as part of Vespa 1.1. The default output format +reflects the old "fastlib" log formatting, with minor differences +and is intended to be human-readable, not parsed. |