Вы можете настроить монитор для просмотра содержимого файлов RRD, в которые пишет Javamelody.Вы можете найти их здесь (где / opt / jira - ваш каталог $ JIRA_INST, а _host-atlassian01 - ваше имя хоста):
$ ls /opt/jira/temp/javamelody/_host-atlassian01/*.rrd | grep -v [2-9]
/opt/jira/temp/javamelody/_host-atlassian01/activeConnections.rrd
/opt/jira/temp/javamelody/_host-atlassian01/activeThreads.rrd
/opt/jira/temp/javamelody/_host-atlassian01/cpu.rrd
/opt/jira/temp/javamelody/_host-atlassian01/fileDescriptors.rrd
/opt/jira/temp/javamelody/_host-atlassian01/gc.rrd
/opt/jira/temp/javamelody/_host-atlassian01/httpHitsRate.rrd
/opt/jira/temp/javamelody/_host-atlassian01/httpMeanTimes.rrd
/opt/jira/temp/javamelody/_host-atlassian01/httpSessionsMeanAge.rrd
/opt/jira/temp/javamelody/_host-atlassian01/httpSessions.rrd
/opt/jira/temp/javamelody/_host-atlassian01/httpSystemErrors.rrd
/opt/jira/temp/javamelody/_host-atlassian01/jspHitsRate.rrd
/opt/jira/temp/javamelody/_host-atlassian01/jspMeanTimes.rrd
/opt/jira/temp/javamelody/_host-atlassian01/jspSystemErrors.rrd
/opt/jira/temp/javamelody/_host-atlassian01/loadedClassesCount.rrd
/opt/jira/temp/javamelody/_host-atlassian01/sqlHitsRate.rrd
/opt/jira/temp/javamelody/_host-atlassian01/sqlMeanTimes.rrd
/opt/jira/temp/javamelody/_host-atlassian01/sqlSystemErrors.rrd
/opt/jira/temp/javamelody/_host-atlassian01/systemLoad.rrd
/opt/jira/temp/javamelody/_host-atlassian01/threadCount.rrd
/opt/jira/temp/javamelody/_host-atlassian01/tomcatBusyThreads.rrd
/opt/jira/temp/javamelody/_host-atlassian01/tomcatBytesReceived.rrd
/opt/jira/temp/javamelody/_host-atlassian01/tomcatBytesSent.rrd
/opt/jira/temp/javamelody/_host-atlassian01/usedConnections.rrd
/opt/jira/temp/javamelody/_host-atlassian01/usedMemory.rrd
/opt/jira/temp/javamelody/_host-atlassian01/usedNonHeapMemory.rrd
/opt/jira/temp/javamelody/_host-atlassian01/usedPhysicalMemorySize.rrd
/opt/jira/temp/javamelody/_host-atlassian01/usedSwapSpaceSize.rrd