[jira] [Updated] (TEZ-1384) Move recovery related code into inner class

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

     [ https://issues.apache.org/jira/browse/TEZ-1384?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jeff Zhang updated TEZ-1384:
----------------------------
    Attachment: Tez-1384-2.patch

> Move recovery related code into inner class
> -------------------------------------------
>
>                 Key: TEZ-1384
>                 URL: https://issues.apache.org/jira/browse/TEZ-1384
>             Project: Apache Tez
>          Issue Type: Sub-task
>            Reporter: Jeff Zhang
>            Assignee: Jeff Zhang
>         Attachments: Tez-1384-2.patch, Tez-1384.patch
>
>
> Currently each entity (DAG, Vertex, Task, TaskAttempt) has some common recovery code like log history event and restore from history event. These are 2 opposite aspects of recovery. One for store status while the other is for restore status. This jira is for putting these pieces of code together ( in an inner class ). In this way, it is easy to maintain and cut down the possibility that one field is not stored or restored.  



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