Author
Carson Ip
Software Engineer II
Articles

OpenTelemetryAPM
How Elastic cut OpenTelemetry tail sampling memory by 65% with disk-backed trace storage
Elastic contributed two features upstream to the OTel Collector's tail sampling processor. The span-ingest strategy lets sampling decisions happen earlier, and Pebble tail storage moves trace buffering to disk. It costs more CPU, but operators can raise decision_wait and num_traces without OOM kills.

APMMetricsElastic Architecture Enhancements
Improving the Elastic APM UI performance with continuous rollups and service metrics
We made significant improvements to the UI performance in Elastic APM to make it scale with even the most demanding workloads, by pre-aggregating metrics at the service level, and storing the metrics at different levels of granularity.