在vb.net中读取非常大的文本文件时出现内存溢出错误。

I've been tasked with processing a 3.2GB fixed-width delimited text file. Each line is 1563 chars long, and there are approximately 2.1 million lines in the text file. After reading about 1 million lines, my program crashes with an out-of-memory exception error. I've been tasked with processing a 3.2GB fixed-