I created the following adapter for my type, both to convert a duration to milliseconds and to collapse a 'default' duration of 0 to null. This was a second attempt; the first attempt adapted to Long.

MicroStream is a modern Java object graph persistence layer that achieves high performance through a vastly superior approach to serialization. Let’s take a look.

When I try to serialize a simple java object to parquet file, it takes *6-7 seconds* vs same object's serialization to JSON is 100 milliseconds. Could you help me to resolve this issue?