更改readstream chunksize [英] Changing readstream chunksize

问题描述

我正在尝试创建一个基于套接字的文件传输系统，因此我遇到了一些麻烦。我想使用node的fs.createReadStream（）读取块中的文件，但是我无法从665536更改块大小。我找不到任何关于此的内容。

I'm trying to create a socket based filetransfer system and because of that I came up with some trouble. I want to read files in chunks using node's fs.createReadStream() but I was unable to change the chunk size from 665536. I couldn't find anything about this.

推荐答案

根据ReadStream代码，您应该能够通过在ReadStream选项中显式设置它来增加 highWaterMark ：

According to the ReadStream code, you should be able to increase the highWaterMark by explicitly setting it in the ReadStream options:

var rs = fs.createReadStream('/foo/bar', { highWaterMark: 128 * 1024 });

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