Press question mark to learn the rest of the keyboard shortcuts, https://blog.lxde.org/wp-content/uploads/2016/10/barchart.png, https://blog.lxde.org/wp-content/uploads/2016/10/lxqt_fm.png, https://blog.lxde.org/wp-content/uploads/2016/10/xfce_fm.png. In part because the DE doesn't eat it all. The real problem is. Viewed 3k times 1. qps and screengrab now under the LXQt umbrella. Install the lxqt group and an icon theme (e.g. Legal Disclaimer, Privacy Policy | Contact. The mission at Phoronix since 2004 has centered around enriching the Linux hardware experience. Click the Memory tab. Whether old or new host machine, you don't want your guest OS to be fat especially if you're only using it for development. Lubuntu is a variant of Ubuntu that uses the LXQt desktop environment. Hi! . The same file is used by free and other utilities to report the amount of free and used memory (both physical and swap) on the system as well as the shared memory and buffers used by the kernel. A great graphical tool for analyzing these files is massif-visualizer. Well, LXDE and LXQt all have the file manager daemon running as well so that's a fair comparison. Lots of computers in the less computer-heavy offices here have Core2Duo processors with 1 or 2GB of RAM (I cried when someone asked me to do data mining using one of those, fortunately my office has i5s with 8GB RAM). What really matters is how you use them. LXQt. Cold boot 2: same as 1, but it’s tested after installing Cinnamon and Gnome3, which bring some additional system services, so the memory usage after boot increased for all DEs. 120 MB vs 300 MB can make a difference. We have GTK2/GTK3/Qt programs on our computer running simultaneously. In 2009, Matt Mackall began looking at the problem of accounting for shared pages in process memory measurement and added two new metrics called the unique set size or Uss, and the proportional set size or Pss. If you run a modern web browser you will need about 2 GB RAM to use it comfortably. To monitor for a low-memory condition, use the following object counters: Memory: Available Bytes. Comparison of ease of use and stability. New comments cannot be posted and votes cannot be cast. Both are confirmed to integrate with LXQt, others may too. Instead, it makes use of Openbox. LXQt 0.9, Qt 5.3, and KF5 packages are taken from Siduction; Running in Virtualbox 4.3.20; RAM: 512 MB; CPU core: 1; Screen resolution: 1024×768; Measurement: Open xterm, and type `free -mh` (cache and buffer are excluded) Memory usage after cold boot: LXQt 0.9: 118 MiB; LXDE: 98 MiB; XFCE: 107 MiB; plain Openbox (without running any apps): 70 MiB I saved it from becoming e-waste by putting on Lubuntu. dnf install lxqt-about lxqt-common lxqt-config lxqt-globalkeys lxqt-notificationd lxqt-openssh-askpass lxqt-panel lxqt-policykit lxqt-powermanagement lxqt-qtplugin lxqt-runner lxqt-session network-manager-applet nm-connection-editor pcmanfm-qt qterminal-qt5 This way you are comparing apples to apples (vs lxqt). Then, search for “openbox configuration”, and launch it. LXQt is … 05/31/2018; 2 minutes to read; In this article. Most modern desktop computers are shipped with enough RAM nowadays, but this is not the case with smaller devices such as Raspberry Pi. Not everyone buys a new computer every couple of years. As these are shared libraries, adding more Qt applications can still reuse these shared resources. Why not replace the assumptions with some experiments? My app's written in … All rights reserved. The results show LXQt uses more memory than Openbox, to no surprise, while using much less memory than the … He can be followed via Twitter or contacted via MichaelLarabel.com. Uss: This is the amount of memory that is committed to physical memory and is unique to a process; it is not shared with any other. LXQt is a bundle of software packages under development, with the aim of providing a complete desktop environment. So, if that was to get deducted from Xfce's overall memory usage (in the event the daemon was not turned) that reduces the memory footprint down to about 120/124 vs LXQT's 117/120, which is negligible at best. Looks like you're using new Reddit on an old browser. We haven't actually focused on improving memory footprint directly yet. Then, open an “xterm” window and get the result of free -mh command. After cold boot, LXQt uses 112 MB in the testing environment. I think you're right. If not the numbers are little off because thunar runs in the background by default (i.e daemon mode). You can also contribute to Phoronix through a PayPal tip. Just curious. 1. Cold boot 1: After cold boot, I opened the application menu to make the icons loaded. It consists of many small individual components like a panel program, session manager, hotkey daemon and a few more. Friends travel to Africa to teach classes in trade schools there for a semester or two, and report that lots of schools use computers from the early 2000's and a couple have computers from the late 90's for show. Phoronix Premium allows ad-free access to the site, multi-page articles on a single page, and other features while supporting this site's continued operations. Copyright © 2004 - 2020 by Phoronix Media. Memory: Pages/sec. LXQt does not have it’s own window manager. If you receive a 100 disk usage problem caused by the System and compressed memory, you can solve this high CPU issue now. LXQt Connman applet — LXQt system-tray applet for ConnMan. They were in the final stages of a switch to Windows Terminal Server when I got there. After cold boot in Debian testing, only 112 MB of RAM is used. In fact, LXQt 0.11 even uses slightly less memory than XFCE (with gtk+ 2). Yes it uses slightly more but that's reasonable. Can you also post a list of all the processes running, sorted by rss? By running Task Manager we can monitor memory usage in the Performance tab to get a sense of the memory usage prior to starting SQL Server: I use XFCE with Firefox on a laptop with 1GB of RAM and I can surf the web without issue. Please refer to the attacked URL. In this instance, the commands and the results are presented using Ubuntu 18.04 Linux check memory usage using /proc/meminfo file. Some even argued that the LXDE developers made a wrong decision on the migration to LXQt. It includes essential applications and services for daily use, including office suite, PDF reader, image editor and multimedia players. For single application, the size of Qt looks bloated, but from the viewpoint of a DE, the cost can be amortized so we can still have a descent environment that has reasonable resource usage while using a nice C++ toolkit. LXQt is a desktop environment that is designed to be especially energy-efficient and suitable for older systems. Used with care, it's not that different from gtk+. LXQt is billed as an advanced, easy-to-use, and fast desktop environment based on Qt technologies. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. So.. was thunar completely removed or the daemon killed? It’s a pity that Rasbian does not ship with LXQt by default. You'll be able to view how much of your computer's RAM is being used in graph format near the top of the page, or by looking at the number beneath the "In use (Compressed)" heading. New lxqt-themes component. That extra second would make me sad. This high memory usage on Windows 10 brings computer usage and performance to a halt. The Available Bytes counter indicates how many bytes of memory are currently available for use by processes. The memory usage may have increased after a mesa upgrade (19.3.4-2 -> 20.0.1-0.1) because it's in the upgrade list I copied on my desktop that night (2020-03-07). Improved LXQtCompilerSettings. Read on and solve your problems now. Well, comparison of 150 vs 300 MB sounds unimportant to me, when my typical web browser instance eats 1-2GB of RAM. Stay tuned. The result is quite satisfactory. breeze-icons or oxygen-icons).For additional functionality, you may wish to install the following: 1. Troubleshooting performance issues is an important skill every system admin must have. (Versions prior to 18.10 shipped with the LXDE desktop.) In fact, LXQt 0.11 even uses slightly less memory than XFCE (with gtk+ 2). https: wp-content uploads 2016 10 Source: https: 2016 10 04 benchmark-memory-usage-lxqt-desktop-environment-vs-xfce Please add another test where LXDE:s bottom launcher is removed. As a result, the LXQt desktop can stay relatively light (due to Openbox’s low resource usage). Next time, if others tell you Qt is bloated, and LXQt is not lightweight anymore, just direct them to this post. This is the testing setup (virtual machine): Debian testing: Clean install in Virtualbox 5.1.6 (2016-10-02), Desktop environments: LXQt 0.11, XFCE: 4.12.3, Cinnamon 3, Gnome 3.20. Code review; Project management; Integrations; Actions; Packages; Security Monitor an instance of SQL Server periodically to confirm that memory usage is within typical ranges. All trademarks used are properties of their respective owners. Permalink. While it is true you have default config vs default, it might be that lxqt would consume more when brought on-par feature wise. LXQt lacks any window-manager of it's own though there is a LXQt configuration tool for Openbox. The initial cost of installing Qt5 is higher, but this is the fixed cost. Besides, in the original post, there is a test explicitly running the default file managers on these DEs. If you need more, you can use the Discover Software Center to download the required app that suits your needs, for free. Development environments for computer science students can be a vm on their laptop. The following sample code uses the GetProcessMemoryInfo function to obtain information about the memory usage … The original post: https://blog.lxde.org/?p=1364. But I won't. cuscotravelservices In our example, the test server has 1 GB of Memory (RAM) and SQL Server 2014 is installed, but not in a running state. To determine the efficiency of your application, you may want to examine its memory usage. 14 likes. Also, there are no other resources consuming memory on our server. After cold boot, LXQt uses 112 MB in the testing environment. We provide you with 9 fixes to fix the System and compressed memory high disk usage in Windows 10/8/7. They were putting full windows OS on donated machines. LXQt: The Lightweight Qt Desktop Environment. To address concerns that Qt-based apps have heavy memory usage, this release was compared against Xfce, revealing that, after a cold boot, LXQt's memory usage was of 112 MB, just a bit less than Xfce. To change the theme that the window manager uses, open the application launcher. And, on another note, my home computer boots up faster when it doesn't have to extract lots of DE code from the disk to the RAM. (For openbox, which brings no file manager, the gtk2 version of pcmanfm is used) The memory usage of LXQt is quite similar to the original LXDE (gtk2) while many new features are added. The tests done by developer "PCMan" show that LXQt 0.11 uses a bit more memory than the GTK2-based LXDE while using less memory than the GTK2-based Xfce. GNOME's graphical file manager Files (Nautilus) is intended to be very easy to use and has many features. Ask Question Asked 8 years, 4 months ago. Lots of thin clients used in stores have 512MB RAM. Far more than what you would expect. Note that Razor-qt has become LXQt, a port of LXDE to the Qt framework.. Open default FM: After cold boot, open the default file manager to browse the home directory. Enhanced libfm-qt file manager. But you don’t have to sit on this problem for a long time. Some even argued that the LXDE developers made a wrong decision on the migration to LXQt. Lubuntu is a complete Operating System that ships the essential apps and services for daily use: office applications, PDF reader, image editor, music and video players, etc. Features →. Borrowed some concepts from economics. Second, the main focus of LXQt is to provide "classic desktop experience", which is not mobile/tablet-centric. So don't judge an application based on the toolkit it uses simply because some people believe that it's bloated. It has always been rumored that Qt is bloated so programs written in Qt should be bloated. LXQt is a very light and simple desktop environment built using the Qt libraries. All things Linux and GNU/Linux -- this is neither a community exclusively about the kernel Linux, nor is exclusively about the GNU operating system. The memory usage of LXQt is quite similar to the original LXDE (gtk2) while many new features are added. In fact, LXQt 0.11 even uses slightly less memory than XFCE (with gtk+ 2). I need this to check if all of my objects are being destroyed correctly. Memory usage of LXQt 0.11: https://blog.lxde.org/wp-content/uploads/2016/10/lxqt_fm.png, Memory usage of XFCE 4.12.3: https://blog.lxde.org/wp-content/uploads/2016/10/xfce_fm.png. So PcManFM was used. So use whatever you like when choosing the app for your desktop or choosing the toolkit for development. But if you want to try latest LXQt and other features, then you may want to use the PPA from Lubuntu devs. Hello, I took some time to perform some benchmarks for LXQt 0.11. SDDM — The recommended display manager for LXQt. I switched them to Lubuntu machines and RDP. Even in Europe, there are plenty of countries where buying a modern computer is a huge expense. This post is intended to give hints, where to look for in checking and troubleshooting memory usage. I've helped a church be able to take in any donated computer for daily use. These provide, (1) a timeline of memory usage, (2) for each snapshot, a record of where in your program memory was allocated. For email. 1. Being lightweight on resources is just a plus. Is there an easy way to check how much memory is my application is currently using? Why not replace the assumptions with some experiments? Using smem to check memory usage per process. Modern web pages - that's what I call bloated. We also provide with detailed explanations of what they do and more importantly, how to interpret the results. LXQt 0.9, Qt 5.3, and KF5 packages are taken from Siduction; Running in Virtualbox 4.3.20; RAM: 512 MB; CPU core: 1; Screen resolution: 1024×768; Measurement: Open xterm, and type `free -mh` (cache and buffer are excluded) Memory usage after cold boot: LXQt 0.9: 118 MiB; LXDE: 98 MiB; XFCE: 107 MiB; plain Openbox (without running any apps): 70 MiB Is there any widget (or miniapp for the panels) like 'cpuload' that shows the usage of ram and the usage of cpu? They are equally good. Active 3 years, 9 months ago. My parents have a perfectly good PC with only 1GB of RAM that can't be expanded. Massif writes a dump of memory usage snapshots (e.g. It's on the top-left side of the "Task Manager" window. Was Thunar completely removed from the build or was the background daemon shut off? But it improves user experience, has more features, and speed up the development a lot. VMs for remoting into can also benefit from being lightweight. In this tutorial, learn the five most commonly used commands to check memory usage in Linux. The /proc/meminfo file stores statistics about memory usage on the Linux based system. For experimental LXQt installation, add the LXQt PPA and update the software repo. For example, slock or XScreenSaver. Tools are just tools. The idea of pooling resources between the two projects is to give users an impressive experience, yet retaining a lot of the development effort of the two projects. In addition to supporting our site through advertisements, you can help by subscribing to Phoronix Premium. Collecting Memory Usage Information For a Process. A screen locker, if needed. This matters! I've encountered no graphic problem after the upgrade. Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Author Topic: LXQT - 32 bit Default Memory Usage/Installation Size/Boot Time (Read 917 times) 0 Members and 1 Guest are viewing this topic. LXQt is available in the main repository of Ubuntu 16.04 and above, no need to install LXQt from any PPA. 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So the marginal cost of adding new apps can be low. If I am not mistaken the daemon autostarts and runs at about 30Mb. So from this, we can certainly say that for newcomers to development, it is better overall for the community to tell them to develop in Qt than in GTK since it will result in more featureful programs than in GTK without a hit on performance, instead of blurbering "blahblah C++ is bloated blahblah". After cold boot, LXQt uses 112 MB in the testing environment. In my case, GTK2/GTK3 is unavoidable and Qt is not needed most of the time. massif.out.12345). Menu related memory leak fixes. facebook, and youtube it's more than fast enough from them. Look at virtual machines and thin clients. Thanks for the explanation! Benchmark: Memory Usage of LXQt 0.11 (too old to reply) PCMan 2016-10-04 15:17:08 UTC. Brazilian professor here. I'm no desktop environment developer but UX matters so much more IMO. In certain cases, the memory usage could climb up as high as 70 percent, going further up to 100 percent if a restart isn’t performed. 1. The commands will work with nearly all distributions. KDE's file manager Dolphin is described as focused on usability. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. I really, really, really, want to say who cares. The site may not work properly if you don't, If you do not update your browser, we suggest you visit, Press J to jump to the feed. This is the testing setup: Debian testing: Clean install in Virtualbox 5.1.6 (2016-10-02) CPU: 2-core; RAM: 512 MB; Resolution: 1024 x 768; Desktop environments: LXQt 0.11, XFCE: 4.12.3, Cinnamon 3, Gnome 3.20 If my memory didn't fails me, Lubuntu got 270MB of RAM, Xubuntu 290 MB, Kde neon 380, Ubuntu about 600 MB, Kubuntu around 700 MB and Ubuntu Gnome a wooping 800 MB. The whole Qt5 suite is large, but it's modular and not all parts are loaded in your RAM. It's running. In principle, investigation of memory usage is split in checking usage of kernel memory and user memory. If you use LxQT I think Qupzilla would be an obvious choice, that will run comfortably on 1 GB maybe even less. The extra memory usage isn't important here (RAM = 16 GiB). So, I'm not gonna waste memory on my tablet (2G ram). It is based on the widget toolkit Qt and uses SDDM as its recommended/standard display manager. That's the point of this post. How do I check my app's memory usage in Qt. Actually I used LXQt on my Raspberry Pi instead and it works flawlessly. The latest version of this relatively new desktop environment is LXQt 0.13, which has come with a number of improvements as listed below: Packages built against Qt 5.11. Why GitHub? It is the product of the merge between the LXDE-Qt and the Razor-qt projects. Realistically, what's the percentage of people using a computer with less than 1Gb of ram in 2016 ? The comparison among LXQt, XFCE, LXDE, Cinnamon3, and Gnome 3:https://blog.lxde.org/wp-content/uploads/2016/10/barchart.png.

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