create partition puzzled

[hxlsky]

when we create a collection,it just only partition named "Default partition"，
Is it necessary to create other partitions?

what is the rules for creating partitions?

[yhmo]

Depends on your business.
Partitions split data into multiple parts. Sometimes your data can be distributed into multiple groups, then you can create multiple partitions, and insert data into different partitions. When you try to search in a specific group, you don't need to scan the entire collection, so you can call collection.search(partition_names=["xxx"]) to improve search performance.

[hxlsky]

that means it will improve performance by partitions?

[yhmo]

Yes, search in a partition is faster than in an entire collection.