All Questions
Tagged with performanceubuntu
45 questions
-1votes
1answer
395views
How to reach optimal speeds with rsync?
I am using rsync to sync around ~2TB of data to a mechanical HDD-5400RPM. It's taking way too long. How can I improve the sync and check speeds to get as close as possible to maximum/optimal? Here is ...
0votes
1answer
173views
Horrible performance when downloading from CIFS mounted drive
I have recently wanted to mount a remote CIFS drive. But i have run into one major issue. The speeds are amazing. Uploading is about 220Mbit/s.. However, downloading has speeds of 5Mbit/s.. Which is ...
0votes
0answers
133views
fork() is very slow
I have a Linux server running Ubuntu 18.04 on a VM. Executing any task like ls -l or w frequently takes several seconds to finish. strace -c ls -l says ls only takes a few milliseconds, but running ...
1vote
0answers
379views
Laptop CPU stuck at 800Mhz randomly but works again when unplugged
I have a Dell Precision 7550 with an Intel Xeon W-10885M (8 cores, 16 threads) that has been displaying a strange behavior lately. I have a dual boot between Windows 10 and Ubuntu 20.04.4 LTS with ...
0votes
1answer
99views
OS super slow: what can I do?
I’ve decided to turn an old Compaq Presario V3700 to create a media center with Kodi. Stats: CPU: Intel Pentium Dual T2410 2 GHz RAM: 443/971 mb used SWAP: 1942 Display: Mobile GM965/GL960 Integrated ...
2votes
1answer
353views
Why my download speed is just half of the speed given by my Wi-Fi providing device in Ubuntu 20?
I had just upgraded to Ubuntu 20 (focal fossa). When I try to download anything in any browser or through terminal, the downloading speed in my PC is just half of my Wi-Fi providing device. Please ...
2votes
0answers
84views
How do I see how much CPU time my firewall uses?
I was attacked with a DNS Amplification and as a result added nearly 4,000 IP addresses to my firewall using fail2ban. I have seen many people worried about how many rules they include in their ...
7votes
2answers
17kviews
Ext4 vs Btrfs: Which filesystem is better for Linux on USB stick?
I want to install Ubuntu 20.04, and I decided that instead of dual-booting Ubuntu with Windows from the same disk, it will be better to install it on a separate disk. As I don't have another hard disk,...
1vote
0answers
298views
php 7.3 mmap munmap too much calls\time on Ubuntu 18+
Good day everyone. Here i have problem with after migrating highload backend php server to new one. ( Dedicated ) . For this point i started comparing ubuntu 16 and 20 ( 18 the same ) . I bought 2 ...
0votes
0answers
17views
Slowness due course of time
I am using Ubuntu-19.10. I was playing some offline videos in chrome. It plays smooth. I am playing this video in a loop. I observed that, first 4-5 round of playback is smooth After that performance ...
0votes
1answer
5kviews
Linux GUI is terribly laggy and freezing on server hardware
I recently got a used DL360 g6 server on my hands. It has 2 5670 CPUs with 12 cores and 24 threads, and came with 80GB of RAM. Windows OS runs pretty fast on it, but linux distros are terribly laggy ...
2votes
1answer
1kviews
luks impact cryptsetup benchmark
i have a laptop with i5-8250U CPU @ 1.60GHz × 4, SSD and 8gb ram and am considering FDE. how do i know if the results i got from running cryptsetup benchmark are good or not? # Algorithm | Key | ...
0votes
2answers
729views
Speedtest-CLI output for monitoring
So I'm pretty new to Linux and I really can't figure it how to. So I wanted to make a useful output for our monitoring Tool with speedtest-cli. We have to monitor download and upload speeds for ...
0votes
1answer
266views
How to find server's highest and lowest load time frame
I want to know at what time a server relaxes most. I need the most idle time frame of the server, the lowest one. The goal is to perform some data analysis task without hurting server response at ...
2votes
0answers
319views
Smooth Linux VM (VirtualBox) on Windows 10?
I need to create a Virtual Machine running a Linux-based OS. I have tried with Ubuntu 16.04 LTS and 18.04 LTS. The problem that I can't help having is that its interface is laggy and slow in terms of ...