Sreadahead is described as 'Daemon that reads data sequential by use from disk. This is typically used to fetch information needed by the boot process into memory as early as possible. Sreadahead thereby eliminates IO wait times during the boot process which results in a faster startup' and is an app. There are 2 alternatives to Sreadahead for Linux. The best Sreadahead alternative is e4rat, which is both free and Open Source.
e4rat ("Ext4 - Reducing Access Times") is a toolset to accelerate the boot process as well as application startups. Through physical file realloction e4rat eliminates both seek times and rotational delays. This leads to a high disk transfer rate.
über-readahead is used during boot to read files in advance of when they are needed such that they are already in the page cache, improving boot performance. Its data files are regenerated on the first boot after install, and either monthly thereafter or when packages with...
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