01-08-2011
Improving the efficiency of information collection and analysis in widely-used IT applications
HPL-2010-164 (R.1)
Improving the efficiency of information collection and analysis in widely-used IT applications - Blagodurov, Sergey; Arlitt, Martin
Keyword(s): efficiency, collection, analysis, DataSeries, Apache, Bro, Web server, Intrusion Detection System
Abstract: Modern IT environments collect and analyze increasingly large volumes of data for a growing number of purposes (e.g., automated management, security, regulatory compliance, etc.). Simultaneously, such environments are challenged by the need to minimize their environmental footprints. A general solut ...
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lpana(1M) lpana(1M)
NAME
lpana - display LP spooler performance analysis information
SYNOPSIS
dest]
DESCRIPTION
displays LP spooler performance information, which system administrators can use to optimize the configuration of the entire spooler sys-
tem.
Options
recognizes one option:
Choose dest as the printer or the class of printers. If dest is a printer, the performance analysis information is dis-
played for that specific printer. If dest is a class of printers, the performance analysis information is displayed
for the printers that are members of the class. By default, displays the performance analysis information for all
printers and/or classes.
examines for the following items:
Average waiting time from when job is spooled until start of printing.
Standard Deviation for waiting time.
Average printing time from start to end of job.
Standard Deviation for printing time.
Average of number of bytes printed per request.
Standard Deviation for number of bytes.
Sum of bytes printed for all requests (in kilobytes).
Total number of requests since logging started.
EXTERNAL INFLUENCES
Environment Variables
determines the language in which messages are displayed.
Setting causes the destination names exceeding 14 characters to be wrapped to multiple lines. This will ensure proper indentation of all
the other displayed fields.
WARNINGS
performs its operation on the local system only.
AUTHOR
was developed by HP.
FILES
SEE ALSO
lp(1), lpstat(1), lpadmin(1M), lpsched(1M).
lpana(1M)