# Cockroach University

**URL:** https://forum.cockroachlabs.com/c/cockroach-university/13.md

[Latest](https://forum.cockroachlabs.com/latest.md) · [Categories](https://forum.cockroachlabs.com/categories.md) · [Tags](https://forum.cockroachlabs.com/tags.md)

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## [About the Cockroach University category](https://forum.cockroachlabs.com/t/about-the-cockroach-university-category/5456)

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**Author:** [@molawler](https://forum.cockroachlabs.com/u/molawler)\
**Replies:** 0\
**Last updated:** [August 3, 2022, 5:16pm UTC](https://forum.cockroachlabs.com/t/about-the-cockroach-university-category/5456 "2022-08-03T17:16:49Z")

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Post your questions and comments about Cockroach University.

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## [Cockroach DB is slower in 64GB RAM cluster as compared to 32GB RAM cluster](https://forum.cockroachlabs.com/t/cockroach-db-is-slower-in-64gb-ram-cluster-as-compared-to-32gb-ram-cluster/5605)

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**Author:** [@Shweta](https://forum.cockroachlabs.com/u/Shweta)\
**Replies:** 2\
**Last updated:** [November 4, 2022, 5:25am UTC](https://forum.cockroachlabs.com/t/cockroach-db-is-slower-in-64gb-ram-cluster-as-compared-to-32gb-ram-cluster/5605 "2022-11-04T05:25:56Z")

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Hi, I have installed CockroachDB in below clusters a. 3 nodes cluster in which every node has 32GB RAM b. 3 nodes cluster in which every node has 64GB RAM I am testing the performance by running the same quries(Selec…

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## [New Course: Getting Started with Node.js and node-postgres](https://forum.cockroachlabs.com/t/new-course-getting-started-with-node-js-and-node-postgres/5472)

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**Author:** [@molawler](https://forum.cockroachlabs.com/u/molawler)\
**Replies:** 0\
**Last updated:** [August 10, 2022, 2:57pm UTC](https://forum.cockroachlabs.com/t/new-course-getting-started-with-node-js-and-node-postgres/5472 "2022-08-10T14:57:45Z")

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We are pleased to announce a new course: Getting Started with Node.js and node-postgres. Please join us on our Slack Community in #cockroach-university if you should have questions about this course or any other courses…

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## [Why is this course marked as deprecated?](https://forum.cockroachlabs.com/t/why-is-this-course-marked-as-deprecated/5328)

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**Author:** [@yamahamaso](https://forum.cockroachlabs.com/u/yamahamaso)\
**Replies:** 1\
**Last updated:** [August 4, 2022, 5:11pm UTC](https://forum.cockroachlabs.com/t/why-is-this-course-marked-as-deprecated/5328 "2022-08-04T17:11:12Z")

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## [New Course: Build a Full-Stack App in Java with Spring Boot & CockroachDB](https://forum.cockroachlabs.com/t/new-course-build-a-full-stack-app-in-java-with-spring-boot-cockroachdb/4421)

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**Author:** [@SWDevAngel](https://forum.cockroachlabs.com/u/SWDevAngel)\
**Replies:** 0\
**Last updated:** [March 31, 2021, 8:47pm UTC](https://forum.cockroachlabs.com/t/new-course-build-a-full-stack-app-in-java-with-spring-boot-cockroachdb/4421 "2021-03-31T20:47:18Z")

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## [Free Courses: Distributed SQL Tutorials & Labs for Beginners](https://forum.cockroachlabs.com/t/free-courses-distributed-sql-tutorials-labs-for-beginners/4433)

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**Author:** [@SWDevAngel](https://forum.cockroachlabs.com/u/SWDevAngel)\
**Replies:** 0\
**Last updated:** [April 8, 2021, 7:46pm UTC](https://forum.cockroachlabs.com/t/free-courses-distributed-sql-tutorials-labs-for-beginners/4433 "2021-04-08T19:46:25Z")

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