A user reported strange performance differences between identical Citrix VDI machines with NVIDIA GRID GPU configured, all started from the same master. Though NVIDIA licensing and configuration was OK, some machines did not show a GPU in use. Other users suggested checking the ControlUp Agent delayed start setting and switching between native Microsoft APIs and NVIDIA metrics (https://support.controlup.com/docs/gpu-monitoring-with-controlup?highlight=gpu). They also recommended looking at known issues. The customer planned to investigate the issue further the next day.
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GPU Related Training & Support Archives
GPU training and support-related archives from inside the ControlUp Community on Slack.
Feature Requests to Expand ControlUp Reporting Capabilities
A user asked that ControlUp allow for Historic Data for GPU and Datastore latency and I/O historically in Reports via UserVoice suggestions, and urged others to upvote. ControlUp revealed they have already implemented Historic Data for GPU in some environments, and do not find granular Datastore data for latency and I/O useful since they don't look deeper than average/max over 5 minutes.
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Does ControlUp Use WMI APIs?
The discussion provided an audit answer to the question of if the WMI APIs are used to manage virtual network resources. ControlUp usually uses them sparingly, such as for GPU data collection, but not for Monitor. A Script Action at https://www.controlup.com/script-library-posts/show-local-wmi-activity/ can be used to trace which process uses which WMI query.
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Troubleshooting High GPU Memory Usage: How to Show GPU Memory Usage by Process?
A user noticed high GPU memory usage for VDI (80 to 95%) in the COP Console but when they selected processes, the GPU Utilization, Decoder Utilization, Encoder Utilization, and Frame Buffer Memory Utilization all showed 0%. They were wondering if there was a way to show the GPU memory usage by process. Another user suggested selecting System Sessiosn from the dropdown, but this was already done. It was suggested to check the GPU Utilization for more usage to narrow down the issue, but further investigation was needed.
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How to create your own custom historical reports from ControlUp Solve?
The discussion between users and @member covers the upcoming addition to Solve of Automated Reports which can be scheduled daily/weekly/monthly according to user selectors and time frames. Reports could include for example data from Machine Trends combined with Session Activity. The feature is planned for upcoming Solve beta testing.
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Investigating Unreachable ControlUp Agent VMs
This user asked for advice on the issue of VM's becoming unreachable due to Horizon Agent issues, experiencing freezing applications and an inability to console or access the machine once it has reached this state. Causes such as port exhaustion and DNS issues were discussed, as well as suggestions on how to access the system and application log files, and to generate an OS crash dump. It was also suggested to review reassess the configuration and consult other Horizon tech communities. ControlUp historical data and the support article https://support.controlup.com/ docs/controlup-agent-temporary-mode-and-how-to-change-it?highlight=IsTemporary#what-is-the-fix-for-this-problem were also included.
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Storage Trends in ControlUp
A user asked for trends regarding storage in ControlUp. It is possible to view IO stats, though missing capacity information is not available yet. However, ControlUp will add trends as reference for the statistics reports in the Streaming project, including capacity and free space information. There will also be Disk entity reports with relevant information and recommendations. A session can be coordinated to discuss the plan.
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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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How to Track Disk Space Trend Analysis in ControlUp Real-Time DX?
A user asked if there was a way to track disk space trend analysis. The feature was well-received and the team suggested adding a “free disk space” chart to their Machine Trends report. They also discussed adding it to the Sizing Recommendations report, since the Streaming Project will impact the current metrics they were planning to include. The Streaming Demo was held recently and it was decided that the project would fit well with existing historical PVS & GPU metrics.
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Read the entire article here...