Java Large File Data Reading & Performance Testing

I have a large file (something like 1.5GB) and I need to cut this file in many (100 small files for example) smaller files. I know generally how to do it ( ...

In this post we will explore various file reading options and how to tune it for the higher throughput in Java.

The fastest way, if your data is ASCII and you don't need charset conversion, is to use a BufferedInputStream and do all the parsing yourself -- ...

This is an example of 3 different ways to use Java to process big data files. One file is the Java's bufferedReader() method, the second is with Java's ...

BufferedReader is used to read the file line by line. Basically, BufferedReader() is used for the processing of large files. BufferedReader is ...

To read large raw data files, such as movies or large images, we can use Java NIO's ByteBuffer and FileChannel classes. Remember that you will ... Approach to Read Large Files · Files.lines() – Read a Large...

Learn how to process lines in a large file efficiently with Java - no need to store everything in memory.

I am trying to read a very large file (~2GB). Content is a continuous string with sentences (I would like to split them based on a '.'). No matter how I try, I ...

In this post, I'll show you a variety of solutions (and their performance) to parse through really, really large datasets using the Java programming language.

I have an ASCII (text) data file that is around 2 GB in size. I am trying to read it line by line and save a reduced version of it.