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For a telecomms project, JMeter was used to test a new high-availability integration layer, exposed to a few internal clients. Several instances of JMeter represented the different clients and varying load profiles. The default JMeter XML output is too verbose, and the files grew too enormous, so the "Simple Data Writer" was used to produce much friendlier CSV results files. I wanted to show throughput & response times in blocks of 1 minute; JMeter's inbuilt Graph function was not sufficient to process the sheer volume of data. An example of the type of graph required follows.BR attachment:throughput-graph.png