MySQL Bugs: #82937: Speedup the crash recovery speed by storing the length of log body

Bug #82937	Speedup the crash recovery speed by storing the length of log body
Submitted:	10 Sep 2016 2:03	Modified:	12 Sep 2016 6:02
Reporter:	zhai weixiang (OCA)	Email Updates:
Status:	Verified	Impact on me:	None
Category:	MySQL Server: InnoDB storage engine	Severity:	S3 (Non-critical)
Version:	5.7	OS:	Any
Assigned to:		CPU Architecture:	Any
Tags:	Contribution

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Based on 5.7.15. Note the patch is only written for testing purpose, it's not ready for running on production (*) I confirm the code being submitted is offered under the terms of the OCA, and that I am authorized to contribute it.

Attachment: 57_extra_len.diff (application/octet-stream, text), 26.92 KiB.

use two bytes to store length of log body. (*) I confirm the code being submitted is offered under the terms of the OCA, and that I am authorized to contribute it.

Attachment: 57-redo.diff (application/octet-stream, text), 26.83 KiB.