Marko Mäkelä 23de5b8f07 MDEV-21725 Optimize btr_page_reorganize_low() redo logging ...

btr_page_reorganize_low(): Log only the changed data in the page.

TODO: Do not copy the entire changed payload to the redo log.
Emit a combination of MEMMOVE and WRITE records to reduce the log volume.

2020-02-18 10:54:28 +02:00

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