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8. What if WCF trace files consume too much disk space?

Part of the WCF Diagnostics Tracing troubleshooting and FAQ guide.

Root causes: (1) Trace level set too verbose (ActivityTracing + MessageLogging at Verbose level = 10-50GB/day), (2) Pickup Service stopped (unconsumed files accumulate), (3) Retention policy too long for high-volume services.

Solutions: Configure Message Type-specific retention (debug traces 30 days, financial transactions 7 years), set trace levels appropriately (Information level for production, Verbose only for troubleshooting), monitor Pickup Service health (File Monitoring Agent alerts on folder size >5GB or file age >4 hours), schedule cleanup jobs for consumed files, enable SQL Server compression (10TB → 2TB). Use Non Events Agent to track trace file volumes per service (alert if OrderProcessing suddenly generates 10× normal volume = investigate application issue).

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