v.25.11New Feature

Adds a memory_usage field

Adds a memory_usage field to X-ClickHouse-Progress and X-ClickHouse-Summary. This can be used to collect memory usage of queries in real time on the client side. #88393 (Christoph Wurm).
Adds a memory_usage field to the X-ClickHouse-Progress and X-ClickHouse-Summary HTTP headers.

Why it matters

This feature allows users to monitor the memory usage of queries in real time from the client side, providing better insights into resource consumption during query execution.

How to use it

When executing queries over HTTP, check the X-ClickHouse-Progress and X-ClickHouse-Summary response headers to access the memory_usage field, which will report current memory consumption metrics.