def run(self):
# Check if Cassandra is running
if self.isCassandraRunning():
myLogger.info( 'An running Cassandra instance is found')
self.startLoggingJmx()
# Runs the external tool Cassandra Stress
myThread = threading.Thread(target = self.runCassandraStress)
myThread.start()
# Begins recording JMX Metrics
count = 0
while True:
time.sleep(self._interval)
count += 1
self.logJmx(count)
# Once the stress session has completed stop recording JMX Metrics
if not myThread.isAlive():
break
myLogger.info( 'Finish logging JMX metrics')
self.stopLoggingJmx()
# Record the metrics back into a Cassandra Table
CassandraRecord.recordCsv(self._jmxLogFilename, self._host, 'JmxKeyspace', 'JmxRecord')
# Graph the results
Plotter.plotCsv(self._jmxLogFilename , self._jmxPlotFilename)
else:
myLogger.error( 'Cassandra instance is not found running')
