******** Graphics ******** The Services/Graphics section gives a historical overview of a Wazo system's activity based on snapshots recorded every 5 minutes. Graphics are available for the following resources : * CPU * Entropy * Interruptions * IRQ Stats * System Load * Memory Usage * Open Files * Open Inodes * Swap Usage Each section is presented as a series of 4 graphics : daily, weekly, monthly and yearly history. Each graphic can be clicked on to zoom. All information presented is read only. .. figure:: graphics_overview.png :scale: 85% Troubleshooting =============== Missing graphs -------------- Symptoms: * daily graphs are missing * weekly/monthly/yearly graphs stop updating * a mail is sent from cron every 5 minutes about a "bad magic number" Cause: * the machine was forcefully stopped, while munin (responsible for the graphs) was running, resulting in a file corruption Resolution: * Run the following command:: rm /var/lib/munin/htmlconf.storable /var/lib/munin/limits.storable * The graphs will be restored on the next run of munin, in the next 5 minutes.