Hi David, Currently, the TaskManager could cleanup the non-referenced files in blob cache. It could configured via `blob.service.cleanup.interval`[1]. Also when the TaskManager is shut down gracefully, the storage directory will be deleted. So do you stop your TaskManager forcibly(i.e. kill -9)?
[1]. https://ci.apache.org/projects/flink/flink-docs-master/ops/config.html#blob-service-cleanup-interval Best, Yang David Maddison <maddisonda...@gmail.com> 于2020年3月11日周三 上午1:39写道: > Hi, > > When a TaskManager is restarted it can leave behind unreferenced > BlobServer cache directories in the temporary storage that never get > cleaned up. Would it be safe to automatically clear the temporary storage > every time when a TaskManager is started? > > (Note: the temporary volumes in use are dedicated to the TaskManager and > not shared :-) > > Thanks in advance, > > David. >