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weblogvis - visualize activity and performance from Web server logs

Command Line Options

       The weblogvis specific options are:

       -b     Change the display mode to report bytes per second, rather than requests per second.

       -f     Change  the  classification  of activity to use HTTP functions (Get, Post, Head and Other), rather
              than the default classification by request result size.  With this classification, the error rates
              from the logs for each Web server are also displayed.

       -i     Label each column with the name of the Web server.

       -Itime
              Change the dafult expected idle time for the Web servers from 3600 seconds (1 hour) to time.

       -mmax Change the default normalization maximum to max bytes/second or requests/second, depending on  the
              display mode.  The defaults are 500000 bytes per second or 100 requests per second.

       -V     Verbose mode - output the generated pmview(1) configuration file.

Description

weblogvis displays Web server activity as extracted from the Web server access logs  by  the  Performance
       Co-Pilot  (PCP)  agent  pmdaweblog(1).  The display is modulated by the values of the performance metrics
       retrieved from the target host which is running pmcd(1) and the pmdaweblog(1) Performance Metrics  Domain
       Agent  (PMDA(3)),  or  from  the  PCP  archive  log  identified by archive.  The display is updated every
       interval seconds (default 2 seconds).

       The default display mode shows the request rate classified by request response size, for all  Web  server
       logs  being  monitored  by  pmdaweblog(1).   The  top of the display includes the idle time and the total
       request rate of each Web server.  The list of servers can be restricted by specifying server names.   The
       possible servers are listed in the pmdaweblog(1) configuration file.

       weblogvis  uses  pmview(1), and so the user interface follows that described for pmview(1), which in turn
       displays the scene within an Inventor examiner viewer.

       weblogvis passes most command line options to pmview(1).  Therefore, the command line options -A, -a, -C,
       -h, -n, -O, -p, -S, -t, -T, -x, -Z and -z, and the user interface are  described  in  the  pmview(1)  man
       page.

Files

$PCP_VAR_DIR/config/pmlogger/config.webpmlogger(1)  configuration  file  that can be used to create a PCP archive suitable for display
                 with weblogvis$PCP_VAR_DIR/config/pmchart/Web.Alarmspmchart(1) configuration file for monitoring Web server alarm conditions
       $PCP_VAR_DIR/config/pmchart/Web.Requestspmchart(1) configuration file for monitoring Web server requests
       $PCP_VAR_DIR/config/pmchart/Web.Volumepmchart(1) configuration file for monitoring the volume of Web server transactions
       $PCP_PMDAS_DIR/weblog
                 installation directory of pmdaweblog(1)

Name

weblogvis - visualize activity and performance from Web server logs

Pcp Environment

       Environment variables with the prefix PCP_ are used to parameterize the file and directory names used  by
       PCP.   On  each  installation, the file /etc/pcp.conf contains the local values for these variables.  The
       $PCP_CONF variable may be used to specify an alternative configuration file, as described in pcp.conf(4).

See Also

pmcd(1), pmchart(1), pmdaweblog(1), pmlogger(1), pmview(1),  webpingvis(1),  webvis(1),  pcp.conf(4)  and
       pcp.env(4).

Performance Co-Pilot                                                                                WEBLOGVIS(1)

Synopsis

weblogvis  [-bCfiVz]  [-Aalign]  [-aarchive] [-hhost] [-Itime] [-mmax] [-npmnsfile] [-Otime] [-pport] [-Stime] [-tinterval] [-Ttime] [-xversion] [-Ztimezone] [server ...]

See Also