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Thread: Improving opensuse performance (boot time and memory consumption)

  1. #1

    Default Improving opensuse performance (boot time and memory consumption)

    Dear all,
    I have a "weak" laptop that has one monocore 1.1GHz and 1.5Gb of Ram. I am using opensuse 12.2 and xfce. I am wondering if I Can improve opensuse boot time and memory consumption. Below is what I plan to do with my laptop is:

    Browsing
    Looking and replying emails
    Connecting over ssh to remote connections and using screen
    connecting with remote desktop or freenx to remote clients
    Editing documents in openoffice
    Running R
    Editing latex documents

    I do not plan to run any server on my system.

    Do you think that are services that start on beginning that I can disable to speed up boot time as well as memory consumption?

    I Would like to thank you in advance for your reply

    B.R
    Alex

  2. #2

    Default Re: Improving opensuse performance (boot time and memory consumption)

    One thing you can do is compile your kernel yourself. Just optimizing the kernel can yield you a performance increase as well as return some memory to you for other uses.

    WARNING: if you are new to Linux, I wouldn't necessarily try this - you can hose your system up pretty well if you exclude something you need (speaking from experience).

    I can provide links that will help if you can't find any on your own.

  3. #3
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    Smile Re: Improving opensuse performance (boot time and memory consumption)

    Quote Originally Posted by alaios View Post
    Dear all,
    I have a "weak" laptop that has one monocore 1.1GHz and 1.5Gb of Ram. I am using opensuse 12.2 and xfce. I am wondering if I Can improve opensuse boot time and memory consumption. Below is what I plan to do with my laptop is:

    Browsing
    Looking and replying emails
    Connecting over ssh to remote connections and using screen
    connecting with remote desktop or freenx to remote clients
    Editing documents in openoffice
    Running R
    Editing latex documents

    I do not plan to run any server on my system.

    Do you think that are services that start on beginning that I can disable to speed up boot time as well as memory consumption?

    I Would like to thank you in advance for your reply

    B.R
    Alex
    For bootup speed ups, using the fstab option called noatime as well as placing the partitions in order 1 through the highest as determined by the YaST / System / Partitioner will help speed up booting. Here is an example of using noatime in my fstab file.

    Code:
    /dev/disk/by-id/ata-WDC_WD6000HLHX-01JJPV0_WD-WXA1C20K0415-part1           /home                ext4       defaults,noatime                      1 2
    This is just one line of many from my /etc/fstab file you can add yourself and then doing a system restart for them to take effect. I have a bash script you can use to make this change with here:

    https://forums.opensuse.org/blogs/jd...rsion-1-00-60/

    For removing unneeded services, you can try my bash script kernel compiler in Turbo Mode on the positive side, it will be the fastest and leanest you can get the kernel to run. On the negative side, any hardware module not loaded, because you were not using it at compile time will not be there later for you. You can connect up all hardware, put a disk in each CD and plug in all Thumb drivers before you compile or just recompile again without Turbo Mode. Your original kernel will be untoched and usable by doing a restart. Have a look here:

    https://forums.opensuse.org/blogs/jd...rsion-2-50-34/

    For fast reboots have a look at my Fastboot Utility:

    https://forums.opensuse.org/blogs/jd...rsion-1-28-67/

    And for working with the new Grub 2 OS boot Utility have a look here:

    https://forums.opensuse.org/blogs/jd...elp-input-106/

    And if you like these bash scripts, write your own using this:

    https://forums.opensuse.org/blogs/jd...ersion-2-6-37/

    And you can get a copy of all of my best work from one script here:

    https://forums.opensuse.org/blogs/jd...pt-loader-115/

    Thank You,
    My Blog: https://forums.opensuse.org/blogs/jdmcdaniel3/

    Software efficiency halves every 18 months, thus compensating for Moore's Law

    Its James again from Austin, Texas

  4. #4

    Default Re: Improving opensuse performance (boot time and memory consumption)

    I would like to thank everyone for their replies.
    I would skip at the beginning any kernel modifications. I am mostly talking about services that I can disable based on the work I want to do . Any tips on that?

    Btw, on web sites I have found people saying that opensuse is bloated and too slow (someone was even writing that 1.1GHz and 1.5GB ram==my system, I will not be able even to work). My experience though is quite different

  5. #5
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    Default Re: Improving opensuse performance (boot time and memory consumption)

    Quote Originally Posted by alaios View Post
    Btw, on web sites I have found people saying that opensuse is bloated and too slow (someone was even writing that 1.1GHz and 1.5GB ram==my system, I will not be able even to work). My experience though is quite different
    Once upon a time back in 2007 a young aspiring Linux user went to a popular distribution listing and review site. On the list of the most popular he saw the one recommended to him, openSUSE. However alas, in the downsides of the distribution it listed it as bloated and slow. Oh dear. He did not want that. It was why he was leaving Windows in the first place. This user decided to go with Ubuntu instead.

    Though luckily his curiosity got the better of him. Later he tried openSUSE that was earlier recommended to him. It was not bloated and slow. It was fantastic! openSUSE 10.3, and he even bought a box set of it. Luckily so. In the next few years the user did not have home internet access so the dvd included all the software he needed. So he happily used openSUSE offline for years, just asking a friend to burn him the dvd on the next version. Though when he had internet again, he returned to Ubuntu and later Debian because of the active communities and to follow other peers.

    Lastly tiring of (in his opinion) buggy, rapidly changing, or difficult to configure distributions, he decided to try openSUSE again. Yup, still as great as ever. And now he is back and an active member for the forums again not since 2009, hoping to help folk who made the same decision as him, that might have a bit of a rockier start.

    The moral of the story is, not everything read is true, or at the very least still true. Only you can judge if what you are using is sufficient for your needs, but we will help you out as much as we can.

    To comment on your post helpfully; I will say that your specifications should work fine using any openSUSE desktop. Just use 32-bit. As 64-bit uses a lot more memory. The only potential issue is the gpu, if it is not so powerful or buggy you might have a poor experience. You might even be better off using fbdev or vesa drivers if so. You will not have 3d, but it shouldn't be that buggy. Also the cpu may be a teeny bit slow for some tasks, though it should be adequate. Though absolutely nothing you do will fix that. Programs and especially browsing the web just need MUCH more cpu these days.

    I will say I am using openSUSE xfce 64-bit, installed from the dvd image. Though I copied the dvd image to a usb flash drive (not a dvd) to install from, so it is possible but requires a few steps. I have 2.2ghz, 2 cores, and 3gb ram. Everything is fast and I probably will never even touch swap.

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    Smile Re: Improving opensuse performance (boot time and memory consumption)

    Quote Originally Posted by alaios View Post
    I would like to thank everyone for their replies.
    I would skip at the beginning any kernel modifications. I am mostly talking about services that I can disable based on the work I want to do . Any tips on that?

    Btw, on web sites I have found people saying that opensuse is bloated and too slow (someone was even writing that 1.1GHz and 1.5GB ram==my system, I will not be able even to work). My experience though is quite different
    So I guess until you have tried every Linux release there is, it is hard to know if something faster exists, but openSUSE is not bloated in anyway and faster, with my tweaks, than Ubuntu or Mint, both of which I can boot. Every distro has its good points and bad I suppose, but bloated is a not a problem with openSUSE. openSUSE is considerably more customizable than any other version of Linux I have tried. I can say that Linux Mint is what I might suggest to anyone wanting a full multimedia experience with little knowledge about Linux and if you want to use what everyone else seems to be using, based on other publications, go for Ubuntu I guess. First off, I wish every Linux distro only the best of Luck and that you should not believe everything you hear without giving it a try yourself. With a little help from the openSUSE forum, you can have an Linux installation that can not be beat by any other Linux copy you could download and install. And, do not discount the ability to compile and install your own kernel version. The SAKC bash script makes easy enough to compile your own kernel that a six year old can do it, trust me on this.

    Thank You,
    My Blog: https://forums.opensuse.org/blogs/jdmcdaniel3/

    Software efficiency halves every 18 months, thus compensating for Moore's Law

    Its James again from Austin, Texas

  7. #7

    Default Re: Improving opensuse performance (boot time and memory consumption)

    Quote Originally Posted by alaios View Post
    Btw, on web sites I have found people saying that opensuse is bloated and too slow (someone was even writing that 1.1GHz and 1.5GB ram==my system, I will not be able even to work).
    Well, at least, one thing that you absolutely know is that whoever made that comment was talking rubbish...

    There has been the comment that openSUSE is somehow bloated. If you want to make oS bloated, and you think that bloat consists of having loads of stuff installed that you never use, you can achieve this by installing everything that oS has to offer. You do not have to do this and it may not even slow your system down appreciably, but you could, if you wanted to. It would be hard to blame openSUSE for this, because it isn't the default and oS does gives you more granularity of installation than some systems, so if it is a problem that you have, it is a problem that you have chosen to have.

    Aside from the 'noatime' tweak, suggested above, and which you may already have, I'd say the next thing would be to look at the GUI.

    Probably avoid KDE or Gnome in favour of XFCE or something lighter. If you feel that you must have KDE, there are some things that can make it a bit lighter, such as disabling any 'symantic desktop' or indexing features, but KDE will always be a bit heavyweight.

    Have you had a look at what services you are running and how much memory those services are taking? you can get a snapshot from, eg,

    top -b -n 1

    but be aware that the memory numbers can be a bit difficult to interpret.

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    Default Re: Improving opensuse performance (boot time and memory consumption)

    Or this, perhaps?

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    Smile Re: Improving opensuse performance (boot time and memory consumption)

    Quote Originally Posted by dvhenry View Post
    Or this, perhaps?
    I will read through this when I get more time, but even the index is bigger than the normal time I want to spend reading.

    Thank You,
    My Blog: https://forums.opensuse.org/blogs/jdmcdaniel3/

    Software efficiency halves every 18 months, thus compensating for Moore's Law

    Its James again from Austin, Texas

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    Default Re: Improving opensuse performance (boot time and memory consumption)

    Quote Originally Posted by jdmcdaniel3 View Post
    I will read through this when I get more time, but even the index is bigger than the normal time I want to spend reading.

    Thank You,
    That's why I made that post nice and short, to allow extra time for reading the info in the link.

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