[IOTDB-1587] SessionPool optimization: a more aggressive Session creation strategy

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: master branch, 0.12.2
• Component/s: Client/Java
• Labels: pull-request-available
• Assignee: Unassigned
• Reporter: Steve Yurong Su
• Created: 24/Aug/21 09:22
• Updated: 24/Aug/21 10:08
• Resolved: 24/Aug/21 09:43

Description

1. new Session creation strategy in SessionPool: removeSession -> tryConstructNewSession
2. new Session creation strategy in SessionPool: when the Session cannot be obtained and the thread enters the waiting loop, it will always judge whether a new Session can be created first in each loop, instead of waiting in each loop after judging whether a new Session can be created only once.

Issue Links

• links to: GitHub Pull Request #3812
• links to: GitHub Pull Request #3823