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Posted to dev@kafka.apache.org by "Abhishek Agarwal (JIRA)" <ji...@apache.org> on 2018/06/08 12:39:00 UTC
[jira] [Created] (KAFKA-7024) Rocksdb state directory should be
created before opening the DB
Abhishek Agarwal created KAFKA-7024:
---------------------------------------
Summary: Rocksdb state directory should be created before opening the DB
Key: KAFKA-7024
URL: https://issues.apache.org/jira/browse/KAFKA-7024
Project: Kafka
Issue Type: Improvement
Components: streams
Reporter: Abhishek Agarwal
After enabling rocksDB logging, We continually see these errors in kafka stream logs, everytime a new window segment is created
```
Error when reading <rocksdb-directory-path>
```
While its not a problem in itself, since rocksDB internally will create the directory but It will do so only after logging the above error. It would avoid unnecessary logging if the segment directory can be created in advance. Right now, only the parent directories are created for a rocksDB segment. Logging is more prominent when there are many partitions and segment size is smaller (minute or two).
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