Being lead of a new project where I had to collect data from cable modems (using the IReasoning SNMP API and CISCO BACC) I came in contact with JRobin. JRobin is a java implementation of the famous RRDtool, a round robin database (through value aggregation your database size never grows). JRobin rocks. It has several advantages over RRDtool, uses JDK 1.4 nio, can use XML as template for the rrd definition and graphs, has gif/jpg/png export, active development, and you...
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