All Questions
Tagged with ssd performance
29
questions
9
votes
1
answer
2k
views
Low performance of encrypted SSD
I have a 128GB Somnambulist SSD. I know this brand is one of the worst. I measured the speed using GNOME Disk Utility, and it showed a read/write speed of 420/340.
After encrypting the SSD with Debian ...
3
votes
2
answers
399
views
Is SSD performance hindered by access to folder on SSD via symlink on conventional spinning rust HD?
I prefer to keep my OS and applications on one partition and /home/ on another.
I intend to replace the current / drive with an SSD, then symlink /home/myuser/.local/ to a directory on the SSD because ...
1
vote
0
answers
213
views
NVME slower on host than in VM
I first noticed some strange performance hits when I switched from Vagrant to Docker for my local development setup.
After investigating why my databases were slower in this new environment, I came to ...
1
vote
0
answers
54
views
How can I frequently update a file without harming my disk?
I've got an i3 install on a laptop with an SSD. Currently I have it configured to save the WM layout on many different events. The tool that I'm using to do this is built on Python, and I'm just ...
0
votes
1
answer
2k
views
Linux performance on SSD compared to Windows
A week ago I upgraded my main hard disk to an SSD (ADATA SU800) hoping to improve the general performance of my PC. I did a clean install of windows (10) and Linux (Pop-OS). I did notice a great ...
1
vote
0
answers
586
views
Alternatives to dd to read/write to a disk?
I'm using cp to read/write from an SSD drive but is not fast enough. Then I used dd, which is fast, especially with the drive unpartitioned. But I ran into errors like
there is no space left on ...
0
votes
3
answers
3k
views
NVMe Performance not all that good
Just got this Team Force Cardea Zero NVMe PCIe Gen4 drive. It's performance isn't what was promised.
They claim write speeds of 4,400 but I am only seeing 1,500
$ dd if=/dev/zero of=/tmp/test2.img ...
2
votes
1
answer
97
views
How to speed-up programs launch with my ssd?
I have 2 disks on my machine: ssd and hdd.
/ mount point is on ssd, /home is on hdd.
C:/ on my Windows 10 is on ssd, too.
It seems to me that some programs (like Chromium web browser) launch much ...
2
votes
2
answers
3k
views
NVMe disk shows 80% io utilization, partitions show 0% io utilization
I have a CentOS 7 server (kernel 3.10.0-957.12.1.el7.x86_64) with 2 NVMe disks with the following setup:
# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
nvme0n1 259:0 0 477G 0 ...
0
votes
1
answer
108
views
mv command for many nonexistent files, does it wear off the destination disk at all?
I am trying to continuously move many files (~ 10 000 each minute) from /ramdisk to normal /ssd , but not all files are there.
When the mv /ramdisk/file55 /ssd/file55 fails because source is not ...
0
votes
1
answer
685
views
What is best parition format and raid setup for millions of small files? [closed]
If I have millions of small files distributed by folders, what would be the best parition format and what raid setup in order to manage them as fast as possible ? E.g search in all files, find files ...
1
vote
1
answer
829
views
How to deal with blocking I/O reducing the performance to a crawl?
I have a computer which is experiencing some serious I/O issues.
Software: Kali-rolling, Linux x86-desktop-1 4.12.0-kali2-amd64 #1 SMP Debian 4.12.13-1kali2 (2017-10-03) x86_64 GNU/Linux. But I've ...
1
vote
0
answers
129
views
NMVe SSD Fedora Throughput Tests too High
I am testing throughput of a Samsung 950 Pro SSD Card which uses NVMe protocol. My current method of testing is to mount a file system on a partition and write a file of size X bytes to the file ...
1
vote
3
answers
138
views
Will very large write/deletes affect performance of SSD?
Suppose I have a 512gb SSD on a Macbook Pro. I then want to temporarily (for a few days) store 300gb of content on that SSD. Then that 300gb will be deleted.
If done multiple times, would this ...
0
votes
1
answer
90
views
64GB Debian 8 Server, Do I need SSD?
I have a Debian 8 server with following config:
Quad Core E3-1270v5
64GB RAM
2x4TB SATA Disks
The server uses nginx 1.10 and redis to deliver files to clients. My question is since newrelic shows my ...