TLDR Tech / IT
Introducing Lightstep UQL to PromQL Translator
Zalando is sunsetting Lightstep as it transitions its telemetry infrastructure to Dash0 (a PromQL-based vendor). To migrate thousands of Lightstep UQL queries reliably, the team built a production-ready Go translator that converts Lightstep UQL into PromQL with a full lexer → parser → AST → optimizer → codegen pipeline.
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