How to create a Hash Sharded Table | How Hostspots occur

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A lesson from our new course, "Foundations of Schema Design in CockroachDB".

In this lesson, you will learn:
00:00 Hash Sharded Tables
0:33 How most hotspots occur in CockroachDB
1:20 How hash-sharded primary keys work
2:13 How to create a table with a hash-sharded primary index


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How can we see how many records are there for a given table, say A, per node? That is, in order to spot hotspots.

konstantindimitrov