This is the command varnishtop that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
varnishtop - Varnish log entry ranking
SYNOPSIS
varnishtop [-1] [-b] [-c] [-C] [-d] [-f] [-g <session|request|vxid|raw>] [-h] [-i taglist]
[-I <[taglist:]regex>] [-L limit] [-n name] [-N filename] [-p period] [-q query] [-r
filename] [-t <seconds|off>] [-T seconds] [-x taglist] [-X <[taglist:]regex>] [-V]
DESCRIPTION
The varnishtop utility reads varnishd(1) shared memory logs and presents a continuously
updated list of the most commonly occurring log entries. With suitable filtering using
the -I, -i, -X and -x options, it can be used to display a ranking of requested documents,
clients, user agents, or any other information which is recorded in the log.
The following options are available:
-1 Instead of a continuously updated display, print the statistics once and exit.
Implies -d.
-b Only display transactions and log records coming from backend communication.
-c Only display transactions and log records coming from client communication.
-C Do all regular expression and string matching caseless.
-d Start processing log records at the head of the log instead of the tail.
-f Sort and group only on the first field of each log entry. This is useful when
displaying e.g. stataddr entries, where the first field is the client IP address.
-g <session|request|vxid|raw>
The grouping of the log records. The default is to group by vxid.
-h Print program usage and exit
-i taglist
Include log records of these tags in output. Taglist is a comma-separated list of
tag globs. Multiple -i options may be given.
If a tag include option is the first of any tag selection options, all tags are
first marked excluded.
-I <[taglist:]regex>
Include by regex matching. Output only records matching taglist and regular
expression. Applies to any tag if taglist is absent.
If a tag include option is the first of any tag selection options, all tags are
first marked excluded.
-L limit
Sets the upper limit of incomplete transactions kept before the oldest transaction
is force completed. A warning record is synthesized when this happens. This setting
keeps an upper bound on the memory usage of running queries. Defaults to 1000
transactions.
-n name
Specify the name of the varnishd instance to get logs from. If -n is not specified,
the host name is used.
-N filename
Specify the filename of a stale VSM instance. When using this option the
abandonment checking is disabled.
-p period
Specified the number of seconds to measure over, the default is 60 seconds. The
first number in the list is the average number of requests seen over this time
period.
-q query
Specifies the VSL query to use.
-r filename
Read log in binary file format from this file. The file can be created with
varnishlog -w filename.
-t <seconds|off>
Timeout before returning error on initial VSM connection. If set the VSM connection
is retried every 0.5 seconds for this many seconds. If zero the connection is
attempted only once and will fail immediately if unsuccessful. If set to "off", the
connection will not fail, allowing the utility to start and wait indefinetely for
the Varnish instance to appear. Defaults to 5 seconds.
-T seconds
Sets the transaction timeout in seconds. This defines the maximum number of seconds
elapsed between a Begin tag and the End tag. If the timeout expires, a warning
record is synthesized and the transaction is force completed. Defaults to 120
seconds.
-x taglist
Exclude log records of these tags in output. Taglist is a comma-separated list of
tag globs. Multiple -x options may be given.
-X <[taglist:]regex>
Exclude by regex matching. Do not output records matching taglist and regular
expression. Applies to any tag if taglist is absent.
-V Print version information and exit.
EXAMPLES
The following example displays a continuously updated list of the most frequently
requested URLs:
varnishtop -i ReqURL
The following example displays a continuously updated list of the most commonly used user
agents:
varnishtop -C -I ReqHeader:User-Agent
Use varnishtop online using onworks.net services
