ASF GitHub Bot commented on FLINK-8360:

Github user sihuazhou commented on a diff in the pull request:

    --- Diff: 
    @@ -141,7 +147,7 @@ public JobLeaderService getJobLeaderService() {
                return jobLeaderService;
    -   public TaskExecutorLocalStateStoresManager getTaskStateManager() {
    +   public TaskExecutorLocalStateStoresManager getTaskManagerStateStore() {
                return taskStateManager;
    --- End diff --
    nit: Since we have changed `getTaskStateManager` to 
`getTaskManagerStateStore` maybe we should also change `taskStateManager` to 
`taskManagerStateStore`... this will be more consistent.

> Implement task-local state recovery
> -----------------------------------
>                 Key: FLINK-8360
>                 URL: https://issues.apache.org/jira/browse/FLINK-8360
>             Project: Flink
>          Issue Type: New Feature
>          Components: State Backends, Checkpointing
>            Reporter: Stefan Richter
>            Assignee: Stefan Richter
>            Priority: Major
>             Fix For: 1.5.0
> This issue tracks the development of recovery from task-local state. The main 
> idea is to have a secondary, local copy of the checkpointed state, while 
> there is still a primary copy in DFS that we report to the checkpoint 
> coordinator.
> Recovery can attempt to restore from the secondary local copy, if available, 
> to save network bandwidth. This requires that the assignment from tasks to 
> slots is as sticky is possible.
> For starters, we will implement this feature for all managed keyed states and 
> can easily enhance it to all other state types (e.g. operator state) later.

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