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The reporting level for events generated by errors and warnings by the cluster as a whole. These errors do not cause any node failure but are still considered worth reporting. 

The default level is 0. 

• LogLevelCongestion 

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The reporting level for events generated by congestion. These errors do not cause node failure but are still considered worth reporting. 

The default level is 0. 

• LogLevelInfo 

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The reporting level for events generated for information about the general state of the cluster. 

The default level is 0. 

• MemReportFrequency 

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This parameter controls how often data node memory usage reports are recorded in the cluster log; it is an integer value representing the number of seconds between reports. 

Each data node’s data memory and index memory usage is logged as both a percentage and a number of 32 KB pages of DataMemory , as set in the config.ini  file. For example, if DataMemory  is equal 

