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MySQL 8.0 Reference Manual
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7.6.7.6 Cloning Compressed Data

Cloning of page-compressed data is supported. The following requirements apply when cloning remote data:

  • The recipient file system must support sparse files and hole punching for hole punching to occur on the recipient.

  • The donor and recipient file systems must have the same block size. If file system block sizes differ, an error similar to the following is reported:ERROR 3868 (HY000): Clone Configuration FS Block Size: Donor value: 114688 is different from Recipient value: 4096.

For information about the page compression feature, seeSection 17.9.2, “InnoDB Page Compression”.