Graphs
======

Graphs are the same as with slices, except for an additional one up top, *Traffic*.  
This graph displays traffic per port, over time.  The port names are shown in the 
form of `symbalancer_PORT`.  For example, port 80 will be named `symbalancer_80`.  
Each port is a unique color to make it easy to differentiate.  

.. image:: ../_static/images/graphs.png
    :target: ../_static/images/graphs.png


Like other graphs, clicking them will open a page which includes additional
graphs for monthly and yearly.

Understanding Graphs
--------------------

An important note on reading the graphs: it's good to know the 'm' means "milli":

**Milli (symbol m) is a prefix in the metric system denoting a factor of one thousandth**

The graphs (by default) read a counter every 5 minutes (300 seconds), and calculates the 
average between the two last reads. For example, 66m means: .066*300 = 19.8 accesses within 
a five minute period.

So the formula for 66m is: (66/1000)*60*5=19.8 accesses in 5 minutes.  Or in other words, 
just move the decimal three places left (adding zeroes as reqired), and multiply that by 
300 seconds (60s*5minutes = 300seconds).