[GitHub] [nifi] JonathanKessler commented on pull request #3923: NIFI-6866 Created the RocksDBComponentStatusRepository to persist com…

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JonathanKessler commented on pull request #3923:
URL: https://github.com/apache/nifi/pull/3923#issuecomment-766970172


   > @JonathanKessler This is a really neat ticket/PR request that many nifi admins will find invaluable (I know I would have many times in the past).
   > 
   > I was kicking the tires with this and it certainly persists the processors' history - even through a restart. But I noticed that the log file continues to grow - even after the "timespan" it covers has been reached.
   > 
   > So for instance, with
   > buffer.size at 100 and snapshot.frequency is 5 seconds
   > the log file should level off in size after 500 seconds,
   > but it continues to grow
   > 
   > Could this be looked at?
   
   Nissim, great catch. There are a number of config options for RocksDB built into the RocksDBMetronome.java class which is kind of a helper/builder. The RocksDBFlowFileRepository allows for all of those options to be set but my implementation does not. I will update my code to allow those to be set using different property names than what the RocksDBFlowfileRepository uses of course.
   
   FYI there appears to be a limit for log file growth that is 1G by default.


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