Mezmo Release Notes for March 2025

Mezmo is pleased to announce new features and updates for the Mezmo Platform.

Features

Trace Sampling Processsor (Experimental)

With the Trace Sampling Processor, you can sample both head and trail traces at a specified rate using the Trace ID as the unique identifier. If a trace is rate selected, all spans of the trace are output. You can find more information in the Trace Sampling Processor topic in our documentation.

Bug Fixes

LOG-21064 Pipeline: Otel Dest introduces extra quotations, no annotations and no custom metadata

LOG-21405 [tap] tail-based-sampling: no timestamp displayed

LOG-21419 Discrepancy in total egress

LOG-21289 Lines sent from syslog using RFC3164 not being handled correctly with Ingestion Router (incorrect timestamps, Live Tail and Alerting may be affected, will see UNKNOWN_SYSLOG_APP error)

LOG-21423 Change/Threshold Alert selection does not update available operators

LOG-21482 [pipeline-service] inputs surge detection column added to wrong migration file

LOG-21480 [pipeline-service] Field Summary not null constraint violation on insert

LOG-21489 [pipeline-service/vector] Revisit sink buffer config and behavior with acks disabled

LOG-21492 Fix Datadog event type header for logs and intake

LOG-21414 getStateVariable returns null in Processor Groups

LOG-21513 Sync Pipeline and LA trial lengths (30 days)

LOG-21572 [pipeline-usage-alerts-job] refresh correct aggregate in test code

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