Splunk Data Stream Processor

Splunk's real-time stream processing engine for data optimization and routing

ToolEnterprise Data PipelineCloud

Pricing: Included with Splunk Cloud / Enterprise add-on pricing

Reviewed by the CyberSecTool editorial team against the public sources cited below · Last reviewed February 2026 · How we review listings

What is Splunk Data Stream Processor?

Splunk Data Stream Processor (DSP) is Splunk's real-time stream processing engine designed to collect, process, and deliver data at scale. Built on Apache Flink, DSP enables organizations to filter, mask, enrich, and route data in real time before it reaches Splunk or other destinations. It is positioned as a complement to Splunk Enterprise for organizations that need to optimize data flows and reduce ingest costs.

Best for: Existing Splunk customers wanting to optimize data flows and reduce ingest costs within the Splunk ecosystem
Pros
  • ✓ Tight integration with Splunk ecosystem
  • ✓ Familiar SPL-based pipeline language
  • ✓ Built on proven Apache Flink engine
  • ✓ Reduces Splunk ingest costs
  • ✓ Managed as part of Splunk Cloud
Considerations
  • • Tightly coupled to Splunk ecosystem
  • • Less flexible than vendor-agnostic alternatives
  • • Limited non-Splunk destination support
  • • Additional cost on top of Splunk licensing
  • • Less community adoption and fewer resources

Reported in public reviews and vendor documentation. See sources below.

Key Features

→Real-time stream processing (Apache Flink)
→Data filtering and masking
→Enrichment with lookup tables
→Multi-destination routing
→SPL2 pipeline language
→Pre-built data functions
→Splunk HEC integration
→Schema-on-read processing

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Splunk Data Stream Processor Comparisons

Splunk Data Stream Processor vs Azure Data Explorer→Splunk Data Stream Processor vs Fluentd→Splunk Data Stream Processor vs Mezmo→Splunk Data Stream Processor vs Datadog Observability Pipelines→Splunk Data Stream Processor vs Observo AI→Splunk Data Stream Processor vs Vector→Splunk Data Stream Processor vs Cribl→Splunk Data Stream Processor vs Tenzir→Splunk Data Stream Processor vs Realm.Security→

Sources & references

Where the information on this listing comes from. Always verify pricing and capabilities against the vendor before a purchasing decision.

Splunk Data Stream Processor — official websitePrimary source
Splunk Data Stream Processor (DSP) — official Splunk blog
Official site
Splunk — Wikipedia
Wikipedia
He was inspired to be a software engineer by a Steve Jobs campus visit — his company just sold for $28 billion
CNBC

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Quick Info
PricingIncluded with Splunk Cloud / Enterprise add-on pricing
ModelBundled with Splunk licensing
Founded2003
CloudYes
Self-HostedNo
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Last updated: Feb 20, 2026

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