Splunk Calculator

Splunk indexer cluster sizing

Free · Designed for iPad. Not verified for macOS.

Size your on-prem Splunk SIEM cluster in seconds. Hot/warm, cold, and frozen storage with multi-site replication. iOS 26 Liquid Glass interface. All on device. Splunk SIEM Storage Calculator — designed for security architects, SOC engineers, and Splunk administrators sizing indexer clusters in the field. Compute hot/warm, cold, and frozen storage from any combination of EPS, average event size, retention, and replication policy. Built for real Splunk Enterprise sizing, including multi-site clusters with explicit RF and SF totals. INPUTS • Events per second or direct GB/day • Average event size (bytes) • Raw compression ratio (default 0.15) • TSIDX overhead (default 0.45 — reflects high-cardinality SIEM data) • Retention per tier in days, months, or years • Indexer count, replication factor, search factor • Cluster site count for multi-site deployments OUTPUTS • Daily ingest in GB • Cluster total storage • Per-tier breakdown (hot/warm, cold, frozen) • Per-site and per-indexer storage requirements iOS 26 NATIVE Liquid Glass interface. Universal iPhone and iPad. Works offline. PRIVACY All calculations happen on device. No accounts, no analytics, no network requests. Your inputs persist locally on your phone, never leave it. This is an estimation tool. Real-world usage varies with bucket policies, search load, and data model acceleration. Not affiliated with Splunk Inc.

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The developer, Konstantin Rafikov, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

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    Information

    Provider
    • Konstantin Rafikov
    Size
    • 2.8 MB
    Category
    • Productivity
    Compatibility
    Requires iOS 26.4 or later.
    • iPhone
      Requires iOS 26.4 or later.
    • iPad
      Requires iPadOS 26.4 or later.
    • Mac
      Requires macOS 26.4 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 26.4 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 r4zr1
  • Privacy Policy

    • More by Konstantin Rafikov

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