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Steve Loughran commented on FLINK-7266:
---------------------------------------
if you are using s3a then delete(path, recursive=false) will stop you from trying to delete
a non-empty dir
> Don't attempt to delete parent directory on S3
> ----------------------------------------------
>
> Key: FLINK-7266
> URL: https://issues.apache.org/jira/browse/FLINK-7266
> Project: Flink
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.3.1
> Reporter: Stephan Ewen
> Assignee: Stephan Ewen
> Priority: Critical
> Fix For: 1.4.0, 1.3.2
>
>
> Currently, every attempted release of an S3 state object also checks if the "parent directory"
is empty and then tries to delete it.
> Not only is that unnecessary on S3, but it is prohibitively expensive and for example
causes S3 to throttle calls by the JobManager on checkpoint cleanup.
> The {{FileState}} must only attempt parent directory cleanup when operating against real
file systems, not when operating against object stores.
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