[KYLIN-4169] Too many logs while DataModelManager init, cause the first RESTful API hang for a long time

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: v3.0.0, v2.6.5
• Component/s: Metadata
• Assignee: ZhouKang
• Reporter: ZhouKang
• Created: 18/Sep/19 03:00
• Updated: 06/Feb/20 07:33
• Resolved: 28/Oct/19 12:24

Description

Too many logs while DataModelManager init. It is will happend after startup or reload metastore.

In our production enviroment，there are 120,000+ lines.

// code placeholder
grep 'is missing or unloaded yet' kylin.log.8|wc -l
121861

 

which cause the first sql query's time up to 40s.

Issue Links

• links to: GitHub Pull Request #843