[jira] [Comment Edited] (FLINK-4196) Remove "recoveryTimestamp"

["Stephan Ewen (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-4196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15371468#comment-15371468 ] 

Stephan Ewen edited comment on FLINK-4196 at 7/11/16 7:31 PM:
--------------------------------------------------------------

None of Flink's pre-packaged state backends is currently using this.


was (Author: stephanewen):
None of Flink's pre-packages state backends is currently using this.

> Remove "recoveryTimestamp"
> --------------------------
>
>                 Key: FLINK-4196
>                 URL: https://issues.apache.org/jira/browse/FLINK-4196
>             Project: Flink
>          Issue Type: Bug
>          Components: State Backends, Checkpointing
>    Affects Versions: 1.0.3
>            Reporter: Stephan Ewen
>
> I think we should remove the {{recoveryTimestamp}} that is attached on state restore calls.
> Given that this is a wall clock timestamp from a master node, which may change when clocks are adjusted, and between different master nodes during leader change, this is an unsafe concept.



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