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Posted to dev@flink.apache.org by "Till Rohrmann (JIRA)" <ji...@apache.org> on 2017/02/27 09:58:45 UTC

[jira] [Created] (FLINK-5925) Clean up extracted RocksDB JNI library

Till Rohrmann created FLINK-5925:
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             Summary: Clean up extracted RocksDB JNI library
                 Key: FLINK-5925
                 URL: https://issues.apache.org/jira/browse/FLINK-5925
             Project: Flink
          Issue Type: Bug
          Components: State Backends, Checkpointing
    Affects Versions: 1.2.0, 1.3.0
            Reporter: Till Rohrmann


The {{RocksDBStateBackend}} extracts the RocksDB jni library from the RocksDB dependency in a temp directory (see {{RocksDBStateBackend#ensureRocksDBIsLoaded}}). This file is, however, never removed. 

In general, I think we should add a cleanup mechanism which cleans all {{Task}} specific files after the {{Task}} has completed. The same applies to the {{TaskManager}}.



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