07-21-2005
We have an oracle database server. It's an rp5400 with 4 cpu's. Idle time is in the 90's. These are powerful cpu's. Zero idle on that system would probably indicate run-away processes. Or incredible amounts of computation. Like finding the next mersenne prime or something.
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LEARN ABOUT DEBIAN
plack::middleware::accesslog
Plack::Middleware::AccessLog(3pm) User Contributed Perl Documentation Plack::Middleware::AccessLog(3pm)
NAME
Plack::Middleware::AccessLog - Logs requests like Apache's log format
SYNOPSIS
# in app.psgi
use Plack::Builder;
builder {
enable "Plack::Middleware::AccessLog", format => "combined";
$app;
};
DESCRIPTION
Plack::Middleware::AccessLog forwards the request to the given app and logs request and response details to the logger callback. The format
can be specified using Apache-like format strings (or "combined" or "common" for the default formats). If none is specified "combined" is
used.
This middleware uses calculable content-length by checking body type, and can not log the time taken to serve requests. It also logs the
request before the response is actually sent to the client. Use Plack::Middleware::AccessLog::Timed if you want to log details after the
response is transmitted (more like a real web server) to the client.
This middleware is enabled by default when you run plackup as a default "development" environment.
CONFIGURATION
format
enable "Plack::Middleware::AccessLog",
format => '%h %l %u %t "%r" %>s %b "%{Referer}i" "%{User-agent}i"';
Takes a format string (or a preset template "combined" or "custom") to specify the log format. This middleware implements a subset of
Apache's LogFormat templates <http://httpd.apache.org/docs/2.0/mod/mod_log_config.html>:
%% a percent sign
%h REMOTE_ADDR from the PSGI environment, or -
%l remote logname not implemented (currently always -)
%u REMOTE_USER from the PSGI environment, or -
%t [local timestamp, in default format]
%r REQUEST_METHOD, REQUEST_URI and SERVER_PROTOCOL from the PSGI environment
%s the HTTP status code of the response
%b content length
%T custom field for handling times in subclasses
%D custom field for handling sub-second times in subclasses
%v SERVER_NAME from the PSGI environment, or -
%V HTTP_HOST or SERVER_NAME from the PSGI environment, or -
Some of these format fields are only supported by middleware that subclasses "AccessLog".
In addition, custom values can be referenced, using "%{name}", with one of the mandatory modifier flags "i", "o" or "t":
%{variable-name}i HTTP_VARIABLE_NAME value from the PSGI environment
%{header-name}o header-name header
%{time-format]t localtime in the specified strftime format
logger
my $logger = Log::Dispatch->new(...);
enable "Plack::Middleware::AccessLog",
logger => sub { $logger->log(level => 'debug', message => @_) };
Sets a callback to print log message to. It prints to "psgi.errors" output stream by default.
SEE ALSO
<http://httpd.apache.org/docs/2.2/mod/mod_log_config.html> Rack::CustomLogger
perl v5.14.2 2012-04-14 Plack::Middleware::AccessLog(3pm)