NicoK commented on a change in pull request #16964:
URL: https://github.com/apache/flink/pull/16964#discussion_r697373957



##########
File path: 
flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/PredefinedOptions.java
##########
@@ -61,7 +61,9 @@
         public DBOptions createDBOptions(Collection<AutoCloseable> 
handlesToClose) {
             return new DBOptions()
                     .setUseFsync(false)
-                    .setInfoLogLevel(InfoLogLevel.HEADER_LEVEL)
+                    .setInfoLogLevel(InfoLogLevel.INFO_LEVEL)
+                    .setMaxLogFileSize(DEFAULT_LOG_FILE_SIZE)
+                    .setKeepLogFileNum(DEFAULT_LOG_FILE_NUM)

Review comment:
       But with this PR, the log file size and number also have (implicit) 
defaults that the profiles in `PredefinedOptions` set...
   
   I'd rather prefer to make things clear right away, otherwise, there's a 
(high) chance that this could not happen (you can see that pretty well with 
documentation not being updated when features are added).
   
   I don't think we need to rush anything with this PR - you can already 
configure the log level via configuration, so changing the defaults doesn't 
have to come with 1.14!




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