v.20.1Improvement

Server Checksums Enhance Error Reporting for Corrupted Data in Batches

Official CH changelog text
Now server checksums distributed batches, which gives more verbose errors in case of corrupted data in batch. #7914 (Azat Khuzhin)
ClickHouse server now computes and verifies checksums for distributed batches.

Why it matters

This feature enhances error detection by providing more detailed and verbose error messages when data corruption occurs in distributed batch processing, helping users identify and troubleshoot data integrity issues effectively.

How to use it

The checksum verification for distributed batches is enabled by default on the server, requiring no additional configuration from the user.

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