[jira] [Assigned] (FLINK-6381) Unnecessary synchronizing object in BucketingSink

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

     [ https://issues.apache.org/jira/browse/FLINK-6381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

mingleizhang reassigned FLINK-6381:
-----------------------------------

    Assignee: mingleizhang

> Unnecessary synchronizing object in BucketingSink
> -------------------------------------------------
>
>                 Key: FLINK-6381
>                 URL: https://issues.apache.org/jira/browse/FLINK-6381
>             Project: Flink
>          Issue Type: Bug
>          Components: filesystem-connector
>            Reporter: mingleizhang
>            Assignee: mingleizhang
>
> It seems that currently there are two places should not employ the {{synchronized}} to modify {{pendingFilesPerCheckpoint}}, as it is only restored state object for checkpoint and no sharing of the data-structure between different threads. code in  {{BucketingSink}} as follow. {code} private void handleRestoredRollingSinkState(RollingSink.BucketState restoredState) {
>      ...
>     synchronized (restoredState.pendingFilesPerCheckpoint) {
> 			restoredState.pendingFilesPerCheckpoint.clear();
> 		}
>      ...
> }{code} and {code}private void handleRestoredBucketState(State<T> restoredState) {       
>     ...
>     synchronized (bucketState.pendingFilesPerCheckpoint) {
> 	     	        bucketState.pendingFilesPerCheckpoint.clear();
> 		}
>  } {code}
> Hi, [~kkl0u]. Is there any other stuff shoud add here ? Would you mind have a more thorough look in this class ? Thanks go out to you. I am very appreciate it.



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