Antalya 26.6: Cluster request improvements + Iceberg/Parquet read fixes - #2145

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zvonand wants to merge 8 commits into

antalya-26.6from

feature/antalya-26.6/auto-grp-pr-1687

Commits on Aug 3, 2026

Cherry-pick of https://github.com/Altinity/ClickHouse/pull/1687 with unresolved conflict markers (resolution in next commit)
zvonand
committed
Resolve conflicts in cherry-pick of #1687
zvonand
committed
Cherry-pick of https://github.com/Altinity/ClickHouse/pull/1751 with unresolved conflict markers (resolution in next commit)
zvonand
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Resolve conflicts in cherry-pick of #1751
zvonand
committed
Cherry-pick of https://github.com/Altinity/ClickHouse/pull/1991 with unresolved conflict markers (resolution in next commit)

arthurpassos
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zvonand
committed
Resolve conflicts in cherry-pick of #1991
zvonand
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Cherry-pick of https://github.com/Altinity/ClickHouse/pull/1759 with unresolved conflict markers (resolution in next commit)
zvonand
committed
Resolve conflicts in cherry-pick of #1759
zvonand
committed