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我有一个从 spark 作业输出的 avro 文件,其中包含一些对象:

Objavro.schema�{"type":"record","name":"topLevelRecord","fields": 
[{"name":"Name","type":["String","null"]},{"name":"Age","type": 
["int","null"]}]}

有没有办法获得对象的特定大小?

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