ext4

ext4 is a file system.

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Phoronix Information

Linux 3.3 Kernel: Btrfs vs. EXT4: It's that time of the Linux kernel development cycle again... Here are benchmarks of the EXT4 and Btrfs file-systems with the soon-to-be-released Linux 3.3 kernel.

XFS Developer Takes Shots At Btrfs, EXT4: Chris Mason of Btrfs fame wasn't the only Linux file-system developer talking to the public last week. While the Btrfs talk was going on in Los Angeles at SCALE 10x, Dave Chinner was down under in Australia at LCA2012 talking about XFS. His talk included some controversial shots at EXT4 and Btrfs...

EXT4 Gains New Online Resize Support In Linux 3.3: The EXT4 file-system pull request went in today for the Linux 3.3 kernel. The EXT4 updates for this next kernel include the new online resize interface...

NILFS2 Against Btrfs & EXT4 On Linux 3.2: It's been a while since last benchmarking NILFS2, a file-system that's been in the Linux kernel since 2.6.30, so in this article are some fresh NILFS2 benchmarks from the Linux 3.2 development kernel compared to the EXT4 and Btrfs file-systems.

Testing EXT4 & Btrfs On A Serial ATA 3.0 SSD: Last month I wrote a review on the OCZ Vertex 3 240GB solid-state drive, which was a very impressive Serial ATA 3.0 SSD. The performance of this solid-state drive was terrific and a huge improvement over previous-generation SATA 2.0 SSDs and over SATA 3.0 hard drives.

The Linux 3.0 Kernel With EXT4 & Btrfs: With the Linux 3.0 kernel carrying CleanCache support along with various improvements to the EXT4 and Btrfs file-system modules, it is time for another Phoronix file-system comparison. This time around the EXT4 vs. Btrfs performance is particularly important with Fedora 16 possibly switching to Btrfs by default.

XFS Is Becoming Leaner While Btrfs & EXT4 Gain Weight: Red Hat's Eric Sandeen has written an interesting blog post concerning the size of popular Linux file-systems and their kernel modules. It turns out that the XFS file-system is losing lines of code, while maintaining the same feature-set and robustness, but the EXT4 and Btrfs file-systems continue to have a net increase in lines of code...

Snapshots Support For EXT4 File-System: The Btrfs file-system has various "shiny" features like support for copy-on-write snapshots, cloning, transactions, sub-volumes, SSD optimizations, transparent LZO/Zlib compression, and many other advanced features by Linux file-system standards. The problem with Btrfs is that the next-generation file-system is still in development and hasn't yet been proven via years of use and testing yet as being a stable and reliable solution.

Linux 2.6.39: XFS Speeds-Up, EXT4 & Btrfs Unchanged: While we have already delivered a number of benchmarks from the Linux 2.6.39 kernel, surprisingly we have not yet published any new file-system benchmarks from this latest stable Linux kernel release. Fortunately, that has changed today with a fresh round of Btrfs, EXT4, and XFS file-system benchmarks on the Linux 2.6.39 kernel and compared to the preceding 2.6.38 and 2.6.37 kernel releases.

Linux 2.6.38 EXT4, Btrfs File-System Benchmarks: Along with finally delivering Intel Gallium3D driver benchmarks comparing this unofficial, proof-of-concept i915/945 Gallium3D driver to Intel's official classic Mesa driver, there's also our benchmarks of the EXT4 and Btrfs file-systems from the Linux 2.6.38 kernel.

Linux 2.6.38-rc5 Brings Radeon, Intel, EXT4 Fixes: In his weekly manner, Linus Torvalds has released the Linux 2.6.38-rc5 kernel, This fifth test release isn't particularly exciting, but it brings scattered bug-fixes to the Intel and Radeon graphics drivers, EXT4 file-system fixes, and a RCU file-name lookup bug found under Ubuntu...

What Was Said About EXT4 In Australia: Besides the Linux graphics stack being talked about this week at Linux.Conf.Au, there was also a talk by Ted Ts'o about the EXT4 file-system...