[#MDEV-11393] AliSQL: [Feature] Issue#28 PARTITION BTR_SEARCH

[MDEV-11393] AliSQL: [Feature] Issue#28 PARTITION BTR_SEARCH_LATCH FOR AHI BY INDEX->ID Created: 2016-11-29 Updated: 2017-11-17 Resolved: 2017-11-17
Status:	Closed
Project:	MariaDB Server
Component/s:	Storage Engine - InnoDB
Fix Version/s:	10.2.2, 10.3.0

Type:

Task

Priority:

Major

Reporter:

Sergey Vojtovich

Assignee:

Marko Mäkelä

Resolution:

Fixed

Votes:

Labels:

None

Epic Link:

AliSQL patches

Description

Description:

------------

A new variable innodb_adaptive_hash_index_parts was introduced to

control the partition number of the latch for AHI, default value

is 8, range from 1 to 512.

Comments

Comment by Marko Mäkelä [ 2017-11-17 ]

plinux, the btr_search_latch was split in MySQL 5.7, and MariaDB 10.2.2 is based on MySQL 5.7.9. So, MariaDB already has this feature.

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