This statistic shows ZFS DMU (Data Management Unit) operations/sec.
An understanding of ZFS internals is required to properly interpret this statistic.
Troubleshooting performance issues, after all relevant standard Analytics have been examined.
The DMU object type breakdown can identify if there is excessive DDT (Data Deduplication Table) activity. For more information about data deduplication, see About Oracle ZFS Storage Appliance in Oracle ZFS Storage Appliance Administration Guide, Release OS8.7.x.
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