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Large batches of small file copies are slower after migration from on-prem AFF to Azure CVO

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Category:
ontap-9
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perf
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Applies to

  • CLOUD VOLUMES ONTAP
  • ONTAP 9

Issue

  • After migrating from on-premises ONTAP (AFF) to CVO in Azure, workloads that generate or write large batches of small files (e.g., statement generation jobs involving 15,000–50,000 files) experience significantly slower performance.
  • Previously, such jobs completed in 1–4 hours; after migration, the same jobs take 8 or more hours to complete.

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