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Healthcare IT & ComplianceGenerated accuracy model review: 2026-05-06

Log Ingestion Cost Calculator accuracy and testing

This page documents how Calwarden builds trust for this calculator: source notes, regression-style default tests, limitations, assumptions, unit handling, rounding, and visible change history.

Formula source

  • Monthly total cost = daily ingest GB x 30.4375 x ingest price per GB + retained TB x storage price per TB-month.

Test cases

Default input regression check

Generated from the checked-in default inputs and calculate function.

Inputs

  • Log Sources: 120
  • Events per Source per Day: 18,000
  • Average Event Size: 900 bytes
  • Index / Metadata Overhead: 20%
  • Retention Period: 365 days
  • Storage Multiplier: 1.2 x
  • Ingest Price: 0.25 $/GB
  • Retention Storage Price: 18 $/TB-mo

Expected outputs

  • Monthly Total Cost: $33.26
  • Daily Ingest: 2.17 GB
  • Retained Storage: 0.93 TB
  • Annual Total Cost: $399.11

Known limitations

  • This page documents the checked-in calculator logic and does not certify results for every real-world edge case.
  • Use the result as a planning estimate unless the calculator page states a stricter purpose.

Assumptions

  • The calculators use transparent formulas rather than vendor-specific sizing or compliance models.
  • Inputs are processed locally in the browser and are not stored by Calwarden.
  • Log retention and audit coverage can be compliance-sensitive; confirm requirements before changing collection or retention policy.

Unit handling

  • Log Sources accepts numeric values.
  • Events per Source per Day accepts numeric values.
  • Average Event Size accepts values in bytes.
  • Index / Metadata Overhead accepts values in %.
  • Retention Period accepts values in days.
  • Storage Multiplier accepts values in x.
  • Ingest Price accepts values in $/GB.
  • Retention Storage Price accepts values in $/TB-mo.
  • Monthly Total Cost is displayed as currency.
  • Daily Ingest is displayed in GB.
  • Retained Storage is displayed in TB.
  • Annual Total Cost is displayed as currency.

Rounding rules

  • Number displays use up to 2 decimal places in the calculator UI.
  • Currency outputs are displayed with standard US dollar formatting.
  • Input precision follows configured step values where provided.

Version history

1.0.0 - 2026-05-06

Generated accuracy and testing page from the current log-ingestion-cost-calculator calculator definition.

Change log

2026-05-06

Published default regression test documentation and metadata fallbacks for Log Ingestion Cost Calculator.

Calculator transparency

Accuracy pages are generated from checked-in calculator definitions and can be upgraded with curated review metadata over time.

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