![]() In your server’s hardware, the areas where physical cores are closest to the memory banks are called non-uniform memory access (NUMA) nodes. In ESXi or vSphere, to see the the total number of available logical processors, select the host, and find the Total Processors or Logical Processors field.ĭue to the speed of modern processors and latency-sensitive workloads, the distance from the processor to memory impacts performance. This number can be determined by cores or threads, either physical or virtual. In virtualization, the term CPU refers to your operating system’s logical processors. Newer versions of the ESXi scheduler have performance improvements and smarter default settings. If you’re using vSphere version 6.0 or earlier, update to version 6.5 or later to avoid issues. Check for leftover delta files or snapshots. If you’re using third-party backup services, you might have performance issues due to snapshot-related files that were not cleaned up. When you’re no longer using old snapshots, get rid of them. To avoid data loss, wait for the process to complete. This can cause the hypervisor to slow, and in extreme cases, your VM might freeze. When a snapshot is consolidated (removed by merging it), the information in the delta file streams in RAM while it is written to the disk. Over time, the delta file can get very large, causing I/O performance issues. If you need help after reading this article, please open a ticket with VMware support or reach out to us for Professional Services.Īfter you snapshot your OS to the disk, all future changes are written to the disk as a delta with a file name similar to *. Tuning your VMware installation is outside the scope of Puppet Support. VMware’s authoritative Performance Best Practices series of manuals, KB articles, and documentation provide thorough guides to tune your VMs. After you scale up, check metrics and scale down if you need to. Scale up by adding more virtual CPUs efficiently. ![]() You can tune your VM so that the VMware scheduler provides the guest OS running Puppet better throughput. SolutionĪvoid common issues without adding nodes using this overview. vSphere and its ESXi component have identical version numbers. VSphere version: 3.5 and later (ESXi with relaxed co-scheduling). Can I improve PE performance without adding more infrastructure nodes? Version and installation information I’ve already tuned the OS and PE JVM services. I’m using VMware vSphere Hypervisor (ESXi) to host my Puppet Enterprise infrastructure. ![]()
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