Storage Archives
Linux 4.15 I/O Scheduler Tests: BFQ, CFQ, Kyber

With some BFQ performance fixes included as part of Linux 4.15 along with other I/O scheduler work and block improvements for this latest Linux kernel series, here are some fresh benchmarks of the different I/O scheduler options using the Linux 4.15 Git kernel.

10 December 2017 - 13 Comments
Linux File-System Benchmarks On The Intel Optane 900P SSD

Earlier this week I presented out initial Linux benchmarks of the Intel Optane 900P SSD with this 3D XPoint memory U.2 solid-state drive delivering incredible performance figures. Those tests were done with EXT4 while in this article are more tests with other mainline Linux file-systems and also testing some of the different mount options.

17 November 2017 - 46 Comments
Intel Optane SSD 900P Offers Stunning Linux Performance

At the end of October Intel released the Optane 900P solid-state drive as their new ultra high-end performance SSD. Windows reviews have been positive, but what about using the Optane 900P on Linux? It's working well and delivers stunning NVMe SSD performance.

15 November 2017 - 42 Comments
Btrfs Zstd Compression Benchmarks On Linux 4.14

Of the many new features in Linux 4.14, one of the prominent additions is initial support for Zstd compression that is initially wired in for transparent file-system compression with SquashFS and Btrfs. Here are some benchmarks of Zstd Btrfs compression compared to the existing LZO and Zlib compression mount options.

13 November 2017 - 14 Comments
HDD/SSD Performance With MDADM RAID, BCache On Linux 4.14

It's been one year since last testing BCache as a means in the Linux kernel's block layer to allow an SSD to serve as a cache for a larger but slower rotational hard drive. So I have carried out some fresh benchmarks using the Linux 4.14 Git kernel to provide not only fresh benchmarks of BCache but also MDADM SSD RAID on Linux and some other fresh SSD/HDD benchmarks.

26 September 2017 - 26 Comments
Linux RAID Performance On NVMe M.2 SSDs

For boosting the I/O performance of the AMD EPYC 7601 Tyan server I decided to play around with a Linux RAID setup this weekend using two NVMe M.2 SSDs. This is our first time running some Linux RAID benchmarks of NVMe M.2 SSDs and for this comparison were tests of EXT4 and F2FS with MDADM soft RAID as well as with Btrfs using its built-in native RAID capabilities for some interesting weekend benchmarks.

16 September 2017 - 17 Comments
Intel 545s 512GB SSD Benchmark On Linux

Intel announced their 545s series SSD last month and it's been making plenty of rounds on Windows. Curious about the Linux performance, I picked up the Intel 545s 512GB SATA 3.0 SSD for benchmarking on Linux.

19 July 2017 - 10 Comments
Linux 4.12 I/O Scheduler Tests With A HDD & SSD

Earlier in the Linux 4.12 cycle I delivered a number of I/O scheduler benchmarks from a solid-state drive while for this article are some fresh I/O scheduler tests using a slower SSD as well as a conventional HDD. Schedulers tested were CFQ, Noop, deadline, MQ None, MQ Kyber, MQ BFQ, and MQ Deadline.

2 July 2017 - 45 Comments
ADATA SU800 128GB SSD On Linux

Needing to replace a failed hard drive in one of our server room benchmark systems, I decided to try out the ADATA SU800 as something new. It's an affordable SATA 3.0 SSD and in not trying out an ADATA SSD in a while, I decided to purchase this one and run some benchmarks on it prior to commissioning it to its new home.

24 June 2017 - 8 Comments
Corsair Force MP500 240GB M.2 SSD On Linux

I picked up a Corsair Force MP500 NVMe M.2 solid-state drive for one of the new test systems in the Phoronix lab and so I ran some benchmarks on this high-performance drive compared to a few other SSDs.

15 June 2017 - 23 Comments
Linux 4.12 I/O Scheduler Benchmarks: BFQ, Kyber, Etc

Among the many new features for Linux 4.12 are two new I/O schedulers in mainline: the long-standing BFQ (Budget Fair Queueing) and Kyber, a new I/O scheduler developed at Facebook. Here are some initial benchmarks of these I/O schedulers on the Linux Git code as of this past week.

8 May 2017 - 26 Comments
Btrfs vs. F2FS Multi-SSD Performance On Linux 4.11

Last week I posted benchmarks showing off F2FS performance with its multi-drive feature that isn't formal RAID but can still yield better I/O performance. For additional context, here are some results on that same system and with the Linux 4.11 kernel when using Btrfs with its native RAID capabilities.

1 May 2017 - 18 Comments
Testing F2FS With Its Multi-Drive Capabilities

Late last year F2FS picked up multiple device support for this Flash-Friendly File-System. This F2FS multi-drive capability isn't native RAID support like Btrfs but just allows a single F2FS file-system to span multiple devices. But it's more than that in that block allocation and the garbage collection policy is modified to boost I/O performance by taking advantage of the multiple SSD/flash devices.

25 April 2017 - 3 Comments
EXT4 / F2FS / Btrfs / XFS On Early Linux 4.10 Kernel

Given all the changes with the Linux 4.10 kernel, including a fair amount of work on file-systems and block / I/O code, here are some fresh benchmarks of the EXT4, F2FS, Btrfs, and XFS file-systems atop a solid-state drive when comparing the early post-RC1 Linux 4.10 kernel benchmarks to that of the 4.6/4.7/4.8/4.9 stable kernels.

30 December 2016 - 17 Comments
Toshiba OCZ RD400 NVMe SSD Benchmarks On Linux

While the Samsung 960 EVO NVMe SSD was promising at first, after its quick failure I decided to try out the Toshiba/OCZ RD400 NVMe M.2 SSD. For the 256GB model (RVD400-M22280-256G) this high-performance solid-state drive will set you back just $149 USD.

27 December 2016 - 1 Comment
Btrfs Mount Option Benchmarks With The Linux 4.9 Kernel

Following last week's Btrfs / EXT4 / XFS / F2FS benchmarks using the Linux 4.6 through 4.9 kernels, some requests came in for doing some fresh Btrfs mount option comparison benchmarks. Thus for your viewing pleasure ahead of the holidays are some Btrfs mount option tests with the Linux 4.9 kernel.

19 December 2016 - 20 Comments
EXT4, Btrfs, XFS & F2FS On Linux 4.6 Through 4.9

For those curious how various Linux file-systems have evolved since Linux 4.6, here are some fresh benchmarks of the Btrfs, EXT4, F2FS, and XFS file-systems being tested on Linux 4.6 vs. 4.7 vs. 4.8 vs. 4.9 with a solid-state drive for looking at any performance changes.

17 December 2016 - 15 Comments
Samsung 960 EVO NVMe SSD Benchmarks On Linux

As of this week the Samsung 960 EVO NVMe M.2 SSDs have begun shipping for those interested in high-performance solid-state storage. For our benchmarking fun today I am looking at the Samsung 960 EVO 250GB NVM Express M.2 SSD (MZ-V6E25) with tests under Ubuntu 16.04 while using the Linux 4.9 kernel.

15 December 2016 - 29 Comments
Crucial MX300: Good Linux Performance, 525GB SSD For $120

This week I was shopping for a solid state drive to replace a hard drive on one of my backup/archival systems and ended up settling for the Crucial MX300 in getting 525GB of storage for just $120 USD. Here are some benchmarks of the Crucial CT525MX300SSD1 compared to some other SSDs on Linux for those curious.

22 October 2016 - 21 Comments
Testing The BCache SSD Cache For HDDs On Linux 4.8

It has been over one year since last testing the mainline Linux kernel's BCache support for this block cache that allows solid-state drives to act as a cache for slower hard disk drives. Here are some fresh benchmarks of a SATA 3.0 SSD+HDD with BCache from the Linux 4.8 Git kernel.

27 September 2016 - 11 Comments
Intel 600P Series SSD NVMe M.2 Linux Tests

Last month Intel introduced the 600P Series solid-state drives as the most competitively-priced NVMe SSDs launched to date. Here are a few Linux comparison benchmarks from my initial testing of the SSDPEKKW256G7X1 M.2 SSD on Linux.

23 September 2016 - 19 Comments
EXT4, Btrfs, XFS & NILFS2 HDD File-System Tests On Linux 4.8

Up until running the tests for today's article, I can't remember the last time I touched a hard drive... It's been many months ago at least. Nearly all of our tests at Phoronix are from solid state storage, but I decided to pick up a new HDD for running some Linux file-system tests on a conventional hard drive for those not having an SSD.

24 August 2016 - 7 Comments
Btrfs RAID vs. Linux Software RAID Benchmarks On Linux 4.7

Earlier this month I carried out some 4-disk Btrfs RAID benchmarks using four SATA 3.0 SSDs. Those tests were done using the Btrfs built-in RAID capabilities while today are some comparison tests against those numbers when using the Linux Software RAID setup via mdadm.

15 August 2016 - 19 Comments

140 storage articles published on Phoronix.