Run Queue Size Monitoring

Run Queue Size Monitor

Run Queue is the queue of processes that are ready to execute but currently aren't running. Monitoring the size of the run queue is important in order to know the number of processes waiting in a system so the resources can be efficiently managed.

Run Queue Size Monitoring monitors the number of processes in the run queue. AppPerfect offers Run Queue Size monitoring in the form of AppPerfect Agentless Monitor. AppPerfect's Agentless Monitoring is the ideal solution to monitor your server's resources. Run Queue Size Monitoring with AppPerfect is extremely lightweight and adds negligible overhead to target system while monitoring.

This tutorial provides a brief introduction on monitoring the number of waiting processes in the run queue using AgentlessMonitor.

Monitored Attributes

Attribute Name Description Data type
Size Number of processes in run queue Integer

Configuring Agentless Monitor to monitor the Size of Run Queue

Following steps will explain how you can configure AppPerfect Agentless Monitor for Run Queue Size Monitoring :

  1. Once you are logged into the Monitor Server you can see the Web-UI from which you can access all the features of the Monitor Server. Click the Monitors link from the top navigation bar. This will take you to Monitors tab. Click on Add button to Add a New Run Queue Size Monitor.
  2. Next Step is to define the Run Queue Size Monitor. Provide the IP Address or Host Name of the target server whose run queue size needs to be monitored.
  3. Select the Server Monitor Type from the drop down. AppPerfect supports monitoring for parameters such as waiting processes, TCP connections, file/folder parameters etc. Select the monitor type as Run Queue Size to monitor the number of processes in the run queue.
  4. Specify a meaningful identifier for the monitor which will help identify the monitor in future. AppPerfect also supports legacy agent-based architecture. In case you need to use agent-based monitoring, AppPerfect can provide agent for monitoring remote machine, in which case it requires the agent to be deployed on remote machine running at a specific port.
  5. Specify the Data Fetch Interval which represents the time interval for which application should wait before fetching the monitoring data from the device. Monitoring Data will be fetched after every specified fetch interval. The smaller the time interval, the more granular the data. However, smaller time intervals also result in a much larger data set.
  6. You can specify if the monitor should be Active as soon as its added or should it be in suspended state. You can also specify if all the attributes should be monitored or only some predefined attributes should be monitored.
  7. Next Option is to provide user credentials and protocol for accessing remote machine. Once you are done providing the credentials, click on Validate Connection button to confirm that monitored system is accessible. Mac Server Monitoring : Add Mac Monitor
  8. Next Step is to Select the Attributes to monitor. Run Queue Size Monitor allows you to monitor the size of run queue. Select the parameters you need to monitor from the list of attributes shown. For details on supported attributes refer to Server Monitor chapter. Mac Server Monitoring : Add Mac Monitor
  9. Next step shows the Attribute details of all the selected attributes in the previous step. You can customize the display labels for each of the attributes here. Mac Server Monitoring : Add Mac Monitor
  10. Next step shows the Attribute Data conversion where you can convert the attribute value to required unit. You can configure the operation which should be performed on the attribute value to create the final output value. For example by default the Available Physical Memory is in MegaBytes(MB). In case you need to convert the values to KiloBytes (KB), you can set an operator to convert the value from MB to KB. In this case it will be a Multiply operation by 1024. Unix-File-Folder-Size Monitoring : Attribute Data
  11. Next step shows the Defining Rules view. This view will provide a list of all numeric attributes. You can select the attributes for which you want to add a rule. A rule is defined as a conditional or threshold value which when exceeds, a notification would be sent. In a typical workflow the monitors extract data from the monitored device and send it to the rules engine. The rules engine evaluates the data to ensure no rule is violated and then sends it to the view manager. However, if a rule is violated, a message is immediately sent to the notification server to alert the user about the rule violation.Rules can be defined at a later stage as well. For details on how you can add/edit rules for the monitor, please see the Rules chapter.
  12. Next step shows the Security & Notification settings. When a rule is violated a notification is sent out to all the concerned users that a particular event has occurred and needs to be dealt with. This process is called notification. AppPerfect provides five modes of notification. They are Email notification, SMS notification, Custom notification, Log notification, Database notification, SNMP Trap notification. For details on each of the supported notification , please see the Notification chapter. In this view you can configure the type of notification which should be sent on Rule violation, Users/Groups to whom notification should be sent and also the subject and details on the notification message.
  13. Click on finish button. We are done adding the monitor for Run Queue Size Monitoring. Now go to Status tab on left sidebar. Expand the data for IP provided in IP Address while creating the monitor. Expand the Run Queue Size monitor. Click on + icon against the charts that you want to monitor in your Dashboard and you can view the detailed results for each of the attributes being monitored for the target system. Unix-File-Folder-Count Monitoring : Results
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