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Technical Overview
Internal and external logs
Statistics groups
A simple log analyzer might only collect separate statistics for a number of separate logs. This approach is not sufficient for large web sites with many different virtual and physical servers, however. On such sites there is a need to show statistics extracted from data merged from the logs of several different servers. LogView solves this problem by not performing the statistics calculations directly on the logs, but instead on statistics groups that in turn can be connected to several different logs. To find out the total number of accesses to all the servers on the site, the administrator just has to create a statistics group with all the logs, and enable the function group Site activity, which contains the function Hits, on that statistics group. How this is done will be covered later, in the Configuration section.
Databases
The update operation
All imported external logs are checked, and the last hour's hits are appended to a corresponding internal LogView log. The logs created by LogView itself are not affected, since they are updated automatically after every access to their virtual server. The databases of the statistics groups are updated with the data gathered during the last hour, making the new data visible in the statistics. |