[MDEV-7061] Augment innochecksum to give insight of fragmentation Created: 2014-11-10  Updated: 2015-03-05  Resolved: 2015-03-05

Status: Closed
Project: MariaDB Server
Component/s: Storage Engine - InnoDB, Storage Engine - XtraDB
Fix Version/s: 10.1.4

Type: Task Priority: Minor
Reporter: Jan Lindström (Inactive) Assignee: Jan Lindström (Inactive)
Resolution: Fixed Votes: 0
Labels: None


 Description   

https://github.com/facebook/mysql-5.6/commit/615dd07d900ce08948340b6c11e37fd1d2a91065

Add analysis to leaf pages to estimate how fragmented an index is
and how much benefit we can get out of defragmentation.

 Comments   
Comment by Jan Lindström (Inactive) [ 2015-03-05 ]

commit 143f5d9172647a43cdcf5c27b8a78f32c9f639c0
Author: Jan Lindström <jan.lindstrom@mariadb.com>
Date: Tue Mar 3 17:38:02 2015 +0200

MDEV-7061: Augment innochecksum to give insight of fragmentation

Merged https://github.com/facebook/mysql-5.6/commit/615dd07d900ce08948340b6c
11e37fd1d2a91065 from https://github.com/facebook/mysql-5.6/
authored by rongrong. Removed C++11 requirement by using
std::map instead of std::unordered_set.

Add analysis to leaf pages to estimate how fragmented an index is
and how much benefit we can get out of defragmentation.

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