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What is considered non-billable I/O

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I see on my aurora postgres rds up to 70 million write IOPS (count/second) therefore triggering cloudwatch and at the same time, the Billed Volume Write IOPS is 0. What comprises non-billable I/O?

Tags
Aurora PostgreSQL
Language
English

asked 4 years ago90 views

1 Answer
1

Aurora's log-structured storage only bills for actual reads from cluster storage. Your 70M write IOPS are mostly associated with one of the following

  1. Buffer cache operations (non-billable)
  2. WAL log processing (non-billable)
  3. Local memory operations (non-billable)

Only operations that read from Aurora storage generate billed

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answered 10 months ago

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