Users Guide

335 | Using VisualRF Dell Networking W-AirWave 8.0 | User Guide
Setting Default Description
Memory Allocation 512 MB
The amount of memory dedicate to VisualRF. It is not dynamically allocated
and all the memory is consumed upon starting the service. Be sure to check
the memory and swap utilization in the Systems > Performance page before
making any changes. The exact amount of memory used per floor plan will
vary heavily based on the size, number of devices and number of grid cells
on the floor plan.
l 25 floors or less 512 MB
l 25 to 50 floors 768 MB
l 50 to 75 floors 1 GB
l 75 to 100 floors 1.5 GB
l 100 to 200 floors 3 GB
l 200 to 300 floors 5 GB (64-bit only)
l Above 300 8 GB (64-bit only)
NOTE: If you see Out of Memory errors in the httpd/error_log on the System
> Status page, you should increase memory allocation.
Core Threads
1x number
of cores
Number of threads that calculate path loss for each floor. These threads
also regenerate a floor's RF properties when new APs, walls, or regions are
added to a floor plan.
Location Caching
Threads
1x number
of cores
Number of threads that calculate the location of all clients associated with
access points on this floor plan.
UI Threads
1x number
of cores
Number of threads that service the users accessing VisualRF, as well as
AirWave-to-VisualRF communication. NOTE: If users experience timeout
errors while using VisualRF, allocate additional UI Threads.
Synchronization
Timer
15
minutes
This timer indicates how often VisualRF will synchronize with the APs within
AirWave. This synchronization includes checking the Up/Down status and
parsing the XML.
Restrict visibility of
empty floor plans to
the role of the user
who created them
No When enabled, only the creator can view an empty floor plan.
Table 154: Server Settings Section of the VisualRF > Setup Page (Continued)
Location Settings
To tune location accuracy, navigate to the Location Settings section on this page. The settings in this section are
detailed in Table 155: