[MDEV-27923] Deprecate spider_use_handler - Jira

XML

Word

Printable

Details

Type: Technical task
Status: Closed (View Workflow)
Priority: Major
Resolution: Done
Affects Version/s: None
Fix Version/s: 10.7.4, 10.8.3
Component/s: Storage Engine - Spider
Labels:
None

Description

Passing a Handler statement to backend data nodes without converting it to SQL sometimes improves the performance. However, only a few people use Handler statements and the performance gain seems not to be very significant. Further, setting spider_use_handler > 0 disables the GROUP BY handler.

Attachments

Issue Links

blocks

MDEV-27256 Delete spider_use_handler and related code

Closed

Activity

People

Assignee:: Nayuta Yanagisawa

Reporter:: Nayuta Yanagisawa

Votes:: 0 Vote for this issue

Watchers:: 2 Start watching this issue

Dates

Created:: 2022-02-23 09:24

Updated:: 2022-03-15 03:29

Resolved:: 2022-03-14 05:49

Git Integration

Error rendering 'com.xiplink.jira.git.jira_git_plugin:git-issue-webpanel'. Please contact your Jira administrators.