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e4rat

e4rat

e4rat ("Ext4 - Reducing Access Times") is a toolset to accelerate the boot process as well as application startups. e4rat reduces disk access times through physical file reallocation. It is based on the online defragmentation ioctl EXT4_IOC_MOVE_EXT from the ext4 filesystem, which was introduced in Linux kernel 2.6.31. This utility leads to a high disk transfer rate.

e4rat has proven to be very useful for workstations used by a single user using X windows.

 e4rat 0.2.3

Price
Free to download

Size
72.5KB
License

GNU GPL v3

Developer
Andreas Rid, Gundolf Kiefe

Website
e4rat.sourceforge.net

System Requirements
Linux kernel 2.6.31 or higher
CMake 2.6 or higher
pod2man
Boost library 1.41 or higher
Linux audit library 0.1.7 or higher
Block device identification library
e2fsprogs

Support:
Manual, Forum

Selected Reviews:
Lifehacker

Features include:

  • e4rat-collect - gathers relevant files by monitoring file accesses during an application startup
  • e4rat-realloc - files are placed physically in a row on disk. The reallocation of the files' content yields a higher disk transfer rate which accelerates program start processes
  • e4rat-preload - transfers files into memory in parallel to program startup

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Last Updated Friday, July 03 2015 @ 03:02 PM EDT


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