v.20.1Improvement
Improved Part Check for MergeTree Table Engines
Improved check for existing parts on different disks for *MergeTree table engines. Addresses #7660. #8440 (Vladimir Chebotarev)Why it matters
This feature enhances the checking mechanism for data parts that exist across multiple disks in*MergeTree tables. It resolves inconsistencies and potential data conflicts by ensuring parts are correctly identified and managed regardless of their disk location, thus improving data integrity and operational stability.How to use it
The improvement is automatic for*MergeTree table engines and requires no manual configuration. Users benefit from more reliable part existence checks when using multi-disk setups.