Splunk | Telemetry pipeline management | Log noise
How to reduce Splunk ingest cost without losing detection coverage
Short answer: Splunk meters the raw bytes that reach its indexing pipeline, so you reduce Splunk ingest cost by stopping low-value data before that point. Fix noisy audit policies at the source, filter events by ID and pattern at the endpoint, remove fields you don’t search, collapse repeats, and route archive-only telemetry data to cheaper storage. Compression alone does not lower the meter.
Splunk bills climb because every event arrives at full size, including the ones nobody searches.