KAPERSKY ANTI-VIRUS 5.7 - FOR LINUX FILE SERVER Administrator's Manual page 39

Additional settings
If information about the requested file is not detected in either the iChecker
database or the cache, a full anti-virus scan of the file will be performed.
If you switched the anti-virus database set while working with Kas-
persky Anti-Virus, you will have to manually delete information from the
iChecker database. The full path to the database is defined in the
IcheckerDbFile parameter in the [path] section of the application's
configuration file.
This information must be deleted because the database may contain infected
objects not detected using the standard anti-virus database, but which can be
detected using the extended set. Files named in the iChecker database will not
be rescanned, which may result in an infection of your computer.
Limiting the load on the processor.
Scanning the computer's file systems may take a long time, depending upon the
amount of data stored. In this case, the load on the processor is considerably
increased while it continues to perform other tasks. Therefore it is desirable to
have a tool that pauses the anti-virus scan once a specified load threshold has
been exceeded.
Kaspersky Anti-Virus has such a mechanism. In version 5.7 setting
MaxLoadAvg has been added to the [scanner.options] section of the
configuration file. If this setting is turned on, kavscanner pauses before scanning
each new file until the value of the processor load average decreases to the
specified level.
Additionally, you can restrict the number of objects being simultaneously
scanned in real-time mode, using the CheckFileLimit setting in the
[monitor.options] section of the application's configuration file. This can
decrease the processor load, and increase the speed of scanning of some
objects.
One more step decreasing the load on system resources is kavmidware
disabling. The service provides for interaction between Kaspersky Anti-Virus and
Kaspersky Administration Kit. If you do not use the application features binding it
to Kaspersky Administration Kit, you can stop the kavmidware service. To do
that, enter the following in the command line:
# /etc/init.d/kavmidware stop
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