A user reported that all applications on their dedicated Citrix MCS VDI, which has 6xCPU and 64GB RAM for running Bloomberg and other heavy apps, have experienced delay, including mouse delays. It was suggested to check the latency Last metric in the RT console, or the latency metrics via the Session Details report in Insights. RemoteDX and Scoutbees were also mentioned as useful tools to check the endpoints network conditions and latency to the backend servers. A temporary license had been applied for to test these products.
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CPU Related Training & Support Archives
CPU training and support-related archives from inside the ControlUp Community on Slack.
Understanding Hard & Soft Page Faults with ControlUp
A user asked about hard and soft page faults and ControlUp's reporting capabilities regarding these faults. Hard page faults generally have a larger negative impact on performance, however with more people using solid state drives this impact is not as drastic. ControlUp is working to include this measurement of hard page faults in its reporting. In terms of acceptable page fault expectations, it varies depending on underlying hardware and disk speeds, and looking at the combination of hard page faults and excessive queue lengths can help to determine if there is an issue.
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Read the entire article here...
Investigating High Machine CPU Equation in ControlUp
A user noticed that their machine was at 95% CPU, but the total of individual processes running only summed to 1%. It was suggested to check system sessions, and the user concluded that when adding those to the equation, the numbers almost matched. Controlup shows all processes no matter how many are running in the same session. The CPU value for machines also includes system processes which are always running, so the machine value will always be slightly higher.
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Read the entire article here...
Event-Based Triggers for Disk Space Monitoring
A user asked if it is by design that an advanced trigger set up for disk space below 10% runs only when the value of the free space changes. It was confirmed that triggers are event based, and two solutions were mentioned - restart the Monitors or add another event such as CPU utilization, which can frequently cross the threshold. CPU utilization was confirmed as the latter approach used.
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Any time line when ControlUp Remote DX data will be included in historical reports?
This Slack discussion discussed upcoming features related to RemoteDX for the ControlUp streaming project: including visibility in historical reports, Client Metrics under Session Details and Gantt, and a new Preset in Session Activity. The user asked about previewing the features in their environment, and the PM offered their availability for a scheduled session.
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Does rebooting ControlUp servers have a negative affect on load balancing
Various members discussed the need to reboot servers on a weekly basis, and the issues it could create with load balancing. It was suggested that ControlUp users stop and start the monitors directly from the console, which can properly rebalance the environment. It was also suggested that a PowerShell command be created to restart the monitor services at once.
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Enhancing Historical Session States in the ControlUp Console
This discussion suggested adding a drilldown or popup when clicking on the "live" real-time session in Discovery Sessions in the ControlUp console, allowing for historical session states to be readily seen. Insights were discussed as well as the invoke-cuquery command with the mentioned session fields. Historical Reports can be found in Session Details of a specific session under the "right click" action menu. Following this conversation, a feature request was made with the Customer Success Manager for a historical reports drilldown from a drilled down machine, and a bug was identified in Solve.
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Troubleshooting General VDI Slowness with Multiple Screens
A user asked for help in finding the source of general slowness in a VMware environment with 4-6 screens, no GPUs, and W10 Kiosks. ControlUp is being used to identify the bottleneck but CPU and RAM are not the source. GPU memory was discussed as a possible bottleneck, and it was suggested to check settings like Display memory limit, CPU metrics, network connectivity and RTT times, plus the fact that the EDT protocol can help. The user later reported that their lobbying for GPUs paid off, and they are getting 12 servers with 2xAmpere A16 GPUs.
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Troubleshooting “Click the Data Point for More Details” on Discovery, nothing happens
The user was having an issue on Discovery where they were unable to get detailed information after clicking "Click the data point for more details". It was confirmed that the machine had the agent installed and the same process worked with Insights. The issue appears to have been resolved.
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Read the entire article here...