v.20.1New Feature

Add SYSTEM RELOAD DICTIONARY Query in ON CLUSTER Mode

Official CH changelog text
Add ability to execute SYSTEM RELOAD DICTIONARY query in ON CLUSTER mode. #8288 (Guillaume Tassery)
Added support for executing the SYSTEM RELOAD DICTIONARY command in ON CLUSTER mode in ClickHouse.

Why it matters

This feature allows users to reload dictionaries across all nodes in a cluster simultaneously with a single command, simplifying dictionary management and ensuring consistency across distributed environments.

How to use it

Use the command SYSTEM RELOAD DICTIONARY ON CLUSTER <cluster_name> <dictionary_name> to reload a dictionary on all nodes within the specified cluster.

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