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https://issues.apache.org/jira/browse/TEZ-993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14294411#comment-14294411
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Hitesh Shah commented on TEZ-993:
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Also, what is the need for the Abstract class given that we have only one
implementation today?
> Remove application logic from RecoveryService
> ---------------------------------------------
>
> Key: TEZ-993
> URL: https://issues.apache.org/jira/browse/TEZ-993
> Project: Apache Tez
> Issue Type: Sub-task
> Reporter: Bikas Saha
> Assignee: Jeff Zhang
> Attachments: TEZ-993-3.patch, Tez-993-2.patch, Tez-993.patch
>
>
> Currently RecoveryService storage logic knows a lot about the DAG like which
> dag is pre-warm and does not need to be stored, which events needs special
> treatment etc. This kind of logic couples the DAG and the storage more than
> is probably necessary and can be a source of complications down the road. The
> storage should ideally be simply storing a sequence of arbitrary records
> delimited by a marker.
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