HOW LINKEDIN EXTENDED CLICKHOUSE FROM DISTRIBUTED TRACING TO METRIC DISCOVERY AND ANALYTICS

Summary from the TLDR Data newsletter

LinkedIn replaced three systems for finding and analyzing metric metadata with a single ClickHouse index. It now handles more than 150,000 queries a minute across 13 billion metrics, averaging 68 milliseconds per query. The team explains how it migrated behind an existing gateway and cut memory use to about a fifth of the old setup.