For very large estates consider a clustered solution.As a rough guideline, you can scan an environment of 10,000 to 15,000 machines every day with a single BMC Discovery appliance running on reasonable hardware.Disk space consumed for each device (for example, a host node) for each connection, is typically 200 KB, though this may vary depending on your data. CMDB synchronization supports multiple CMDB connections.Choose the disk size according to how much you need to scan and how much directly discovered data history you want to retain.With BMC Discovery deployed as a VM, if you allocate hardware resources better, BMC Discovery can: BMC Discovery runs well on a variety of platform specifications.Instead, balance the investment between CPU, RAM, and disk. For example, there is little to be gained by putting two modern 12-core Xeons in a machine with only 4 GB RAM. It is best to increase specifications across the board, otherwise any one element may become the bottleneck.We attempt to scale worker processes based on the hardware profile we detect. After disk, the other factors influencing BMC Discovery performance are increasing RAM, CPU speed, and the number of CPU cores.If forced to use HDDs, then always use the fastest possible. Local Hard Disk Drive: Local HDDs are likely to be the cheapest, but also the slowest option.Again, SSDs will be faster than Hard Disk Drives (HDDs). Remote Storage Area Network: Although Remote Storage Area Network is likely to be slower than local SSDs, it can be a good choice, assuming that the storage is close in network terms to the consuming appliance.This is true for physical as well as virtual appliances where the hypervisor's datastores map to SSDs that are local to the hypervisor. Local Solid-State Disks: Solid-State Disks (SSDs) local to the appliance are likely to be the fastest option.When planning how to spend your hardware budget, we recommend prioritizing fast disks. This is because when actively scanning, BMC Discovery places a heavy read-and-write load on the database. BMC Discovery's performance benefits greatly from giving it the fastest disks possible the slower your disk I/O, the slower BMC Discoveryperformance will be.What hardware should I run BMC Discovery on?
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