Jesus M. Salvo Jr.
john at softgame.com.au
Wed Feb 13 05:57:12 MET 2002
I have used RRDTool in the past ( as in 3 months ago ) to generate a graph
one router which does not have SNMP support, and all is going well.
However, I know need a graphic facility with these requirements:
1) The website will require users to login. Each user will have their own
PNG graph generated for them. The website is basically using JSP/Servlets.
( Issues here are the number of RRDTool databases being used, etc.... )
2) The data that needs to be graphed is coming from an Oracle database which
aggregates data from several other tables, updated on an hourly basis. You
can think of the tables as a GAUGE ... not as a COUNTER. Also, depending on
the activity that is being measured, it is most likely that specific hours
will have have no row in the Oracle table. ( The table will be huge!! )
Having said that, I was thinking of using RRDTool just to generate the
graphs ... and the database used by RRDTool will only be used temporarily.
What I was thinking of was that the JSP page / servlet call RRDTool so that
it creates an RRDTool database out of the Oracle database, creates a PNG
graph, then deletes the RRDTool database.
Has anyone used RRDTool in this kind of scenario??
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