[jira] [Resolved] (TEZ-2586) Simplify the recovery process

["Jeff Zhang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TEZ-2586?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jeff Zhang resolved TEZ-2586.
-----------------------------
    Resolution: Won't Fix

Resolved as part of TEZ-2581

> Simplify the recovery process
> -----------------------------
>
>                 Key: TEZ-2586
>                 URL: https://issues.apache.org/jira/browse/TEZ-2586
>             Project: Apache Tez
>          Issue Type: Sub-task
>            Reporter: Jeff Zhang
>            Assignee: Jeff Zhang
>
> There's totally 2 steps for recovery restoreFromEvent & RecoveryTransition
> This ticket is to make the boundary clear between  restoreFromEvent and RecoveryTransition
> * Step 1 should only restore the states of each entity without trigger any
> event. At this step, the state machine is not triggered to start.
> * Step 2  should only trigger the state machine transition of itself or send
> events to other entities (e.g. DAG send events to vertex and vertex send events
> to its downstream vertex)
> Besides that we need to reuse the the same code path between recovery and normal state machine
> transition.



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