Yes, yes it will have an impact on storage. Your storage requirements space-wise would be 5x that of 5min collection intervals (default and what the calculator will assume). In terms of Disk I/O, CPU, and Mem, you'd take a hit as well. From a dynamic threshold perspective, you'll be significantly increasing the quantity of buckets DTs will need to analyze so expect some resource constraints when they kick off. From a DT perspective, you'd want to consider dropped the DT window down from 6 months to something more manageable to keep equal sizing reqs.. maybe 1-2 months. Other tasks might also have issues.. gradinka cited that as well. 1-min granularity is not something we do often, nor do we recommend it, given the 5x more volume you're trying to grab from the data sources and then cram in to the vROps components. Remember - vROps retains data at the interval it is collected and roll-up doesn't happen.. that granularity will exist and consume resources until the data ages out based on retention criteria.
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