--- title: "#high-cardinality articles | Hashnode" description: "Explore 3 articles tagged #high-cardinality on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/high-cardinality" --- Tag # #high-cardinality 3 posts · 0 followers [Chosen Vincent](https://hashnode.com/@ChosenVincent1) · [Aug 4](https://hashnode.com/posts/why-observability-costs-keep-rising/6a71d86cb2acf0b1eb9ff66c) ### [Why Observability Costs Keep Rising and How to Reduce Them](https://chosenvincent.hashnode.dev/why-observability-costs-keep-rising?utm_source=hashnode&utm_medium=feed) Learn why observability costs grow faster than infrastructure and how to reduce metrics, logs, and trace spending without losing debugging context. 11 min read · [chosenvincent.hashnode.dev](https://chosenvincent.hashnode.dev/why-observability-costs-keep-rising?utm_source=hashnode&utm_medium=feed) [Vignesh Shetty](https://hashnode.com/@vigneshshettyin) · [Apr 6, 2024](https://hashnode.com/posts/clickhouse-decoded-high-cardinality-use-case/661193323600057f36e6bf00) ### [ClickHouse Decoded: High Cardinality Use case](https://blogs.vshetty.dev/clickhouse-decoded-high-cardinality-use-case?utm_source=hashnode&utm_medium=feed) Unveiling the Power of Count(Distinct ) in ClickHouse: Optimizing High Cardinality Counting for Data Analytics Dominance 6 min read · [blogs.vshetty.dev](https://blogs.vshetty.dev/clickhouse-decoded-high-cardinality-use-case?utm_source=hashnode&utm_medium=feed) [Greptime](https://hashnode.com/@greptime) · [Aug 2, 2023](https://hashnode.com/posts/unveiling-high-cardinality-in-tsdb/64c9cb7e44720ca78287d93b) ### [Unveiling High-Cardinality in TSDB](https://greptime.hashnode.dev/unveiling-high-cardinality-in-tsdb?utm_source=hashnode&utm_medium=feed) What is High-Cardinality Cardinality, as defined by Wikipedia, is a mathematical term used to quantify the number of elements in a set. For example, the cardinality of a finite set A = {a, b, c} would be 3. While the concept of cardinality also exten... 11 min read · [greptime.hashnode.dev](https://greptime.hashnode.dev/unveiling-high-cardinality-in-tsdb?utm_source=hashnode&utm_medium=feed)