LKIP-27 Linkis entrance supports high availability and task failover

state

【Record of progress】:

Proposed time :2022/12/18

Time of Discussion:

Time of Acceptance/Rejection:

Time of Completion:

【issues】 : https://github.com/apache/incubator-linkis/issues/4020

【email】 :

【Release】 :

【Proposer】 : Guo Shupei

background

At present the Entrance service is single point, and the entrance bears the 
service entrance function, if there is a problem, then it will lead to the 
whole service is not available, so it is necessary to make the entrance highly 
available, and the submitted task to achieve a certain degree of takeover, as 
far as possible to ensure the normal execution of the task, the user has no 
sense.

Goals achieved

1. The service is highly available

2. Task failover

General idea of implementation

Please refer to the attachment for details. (Linkis Entrance High availability 
implementation carding.pdf)

Opinion discussion area
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