'How to monitor the out of heap memory of Apache IoTDB?

I want to monitor the out of heap memory of Apache IoTDB to be ensure that the Apache IoTDB can run steadily. I don't know the reason about it.If someone knows it, please let me know. Apache IoTDB version: 0.13



Solution 1:[1]

iotdb-env.sh has the parameter MAX_DIRECT_MEMORY_SIZE can be effective.

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source
Solution 1 Cecelia Blackt