Status

Current state: Released

Discussion thread: http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/DISCUSS-FLIP-19-Improved-BLOB-storage-architecture-td18092.html

JIRA: -

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Motivation

The current architecture around the BLOB server and cache components seems rather patched up and has some issues regarding concurrency ([FLINK-6380]), cleanup, API inconsistencies / currently unused API ([FLINK-6329], [FLINK-6008]). These make future integration with FLIP-6 or extensions like offloading oversized RPC messages ([FLINK-6046]) difficult. We therefore propose an improvement on the current architecture as described below which tackles these issues, provides some cleanup, and enables further BLOB server use cases.

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