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Posted to issues@flink.apache.org by "Ufuk Celebi (JIRA)" <ji...@apache.org> on 2017/01/26 16:38:24 UTC
[jira] [Created] (FLINK-5664) RocksDBBackend logging is noisy
Ufuk Celebi created FLINK-5664:
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Summary: RocksDBBackend logging is noisy
Key: FLINK-5664
URL: https://issues.apache.org/jira/browse/FLINK-5664
Project: Flink
Issue Type: Improvement
Components: State Backends, Checkpointing
Reporter: Ufuk Celebi
Running a job with rocks db and a low checkpointing interval the logs are flooded with
{code}
2017-01-26 17:29:39,345 INFO org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackend - Asynchronous RocksDB snapshot (File Stream Factory @ file:/Users/uce/Desktop/1-2-testing/fs/83889867a493a1dc80f6c588c071b679, synchronous part) in thread Thread[Flat Map -> Sink: Unnamed (3/8),5,Flink Task Threads] took 0 ms.
2017-01-26 17:29:39,398 INFO org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackend - Asynchronous RocksDB snapshot (File Stream Factory @ file:/Users/uce/Desktop/1-2-testing/fs/83889867a493a1dc80f6c588c071b679, asynchronous part) in thread Thread[pool-88-thread-1,5,Flink Task Threads] took 53 ms.
{code}
Two log lines per stateful task per task manager per checkpoint. I can see that this is helpful for debugging, but maybe too much by default. Should we decrease the log level to debug?
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