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  • vps running out of memory, 200MB free

    - by demon
    At the beginning of this year I took a VPS for my website because I was running against the resource limits from a shared hosting. Here are the things I know: 2GB memory, with 1GB swap Debian X64 server ED installed Software running on the webserver: mysql apache postfix pop3 imap amavisd clamd cron fail2ban munin-node pure-ftpd spamd nginx Now for the setup: Nginx listens on port 80 and handles the static files, the php side is done by apache2 running mod_php in combi with apc(no var caching!). Iam using a pretty 'busy' drupal and phpbb stack on the server, for drupal iam using boost and authcache to handle of the server load with a pressflow stack. phpbb is just phpbb3 with some mods installed, but has at max 30 users online at a time.. The problem is that its staring to use the swap after a few days after a reboot and thus the site becomes slower. I'v added pictures of monit and munin, so maybe somebody can help me out... Monit: Munin:

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  • Why do consoles have so little memory compared to classic computers?

    - by jokoon
    I remember the Playstation having 2MB ram and 1MB graphic memory. The Playstation 3 now has only 256MB ram and 256MB graphic memory, and I'm sure that the day the console was released, even laptop's "standard" capacity was at least 1GB. So why do they put so little memory in their machines, while developers would benefit a lot by having more ? Or is the memory that much faster than desktops and thus more expensive ? Or is it not that much worth it for developers ? What are the Sony/XBox/Nintendo engineers thinking that seems to be the same reason ?

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  • Application Profiling: Memory Usage

    - by Abs
    Hello all, I have switched on the Codeigniter profile (very useful) and I have noticed that a page of mine shows the memory used as: 2,405,496 bytes That's ~2MB and it's for one request - does it mean if 1000 users accessed this page at the same time, memory usage will be 2GB? Have I got my maths wrong or is there more to this than just multiplying two numbers? Thanks all for any help

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  • C++ Succinctly now available!

    - by Michael B. McLaughlin
    Over the summer I worked with SyncFusion to create an eBook based off of my C# to C++ guide for their free Succinctly Series of eBooks. Today the result, C++ Succinctly, was published for download. It is a free (registration required; they make tools and libraries for .NET development so you might get an occasional email from them – I’ve been signed up for a few months and have had maybe 3 emails total so it’s not horrible super spam or anything ) and you can download it as a PDF or a Kindle .MOBI file (or both). I’m excited with how it turned out and enjoyed working with the people at SyncFusion. The book contains a total of 20 code samples, which you can download from BitBucket (there’s a link very early in the book). Almost all of the code is also inline in the book itself so that you don’t need to worry about flipping back and forth between your dev machine and your eReader (but if you want to try to understand a concept better, you can easily download the code, open it up in VS 2012, and play around with it to see what happens when you tinker with things). The code does require Visual Studio 2012 because of its expanded support for C++11 features and since I wrote all of the samples as Console programs for clarity and compactness, you will need a version that supports C++ desktop development (currently VS 2012 Pro, Premium, or Ultimate). Sometime this Fall, Microsoft will be releasing Visual Studio 2012 Express for Windows Desktop which should provide a free way to use the samples. That said, I tested all of the samples with MinGW and only the StorageDurationSample will not compile with it due to the thread-local storage code. If you comment that out then you can compile and run all the samples with MinGW (or using a recent version of GCC in a GNU/Linux environment, or any other C++ compiler that provides the same level of C++11 support that Visual Studio 2012 does). I hope it proves helpful to those of you who choose to check it out!

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  • Setting the first two bytes of a block of memory

    - by idealistikz
    Suppose I have a block of memory as such: void *block = malloc(sizeof(void *) + size); How do I set the first two bytes of the block as NULL or have it point somewhere? I do not want to simply assign 'block' to NULL or to another pointer because I want to access the rest of the memory I malloc'ed.

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  • Word 2007 "Out of Memory or Disk Space" Error on launch

    - by Adam
    Word 2007 is installed on a Vista Home Premium machine and whenever it starts up it opens what appears to be a dynamic installer to do something and then throws up the "Out of Memory or Disk Space" error. Word 2007 never completes starting up. Reinstalling Word hasn't helped and if I can avoid reinstalling Windows until Windows 7 is released and get Word working in the mean time, that would be ideal. I've been looking around for a solution, once of which seemed to point to a problem with the user account. I created a second user on the machine and Word still had the same problem. The other solution that seems possible is a corrupted normal.dot/normal.dotm file. However, even in the location it should be, I can't seem to find it. Am I going in the right direction with this? Is there another solution I haven't come across that will fix this? If it is possible that renaming normal.dot/normal.dotm how can I find it?

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  • Multiple vulnerabilities in Wireshark

    - by RitwikGhoshal
    CVE DescriptionCVSSv2 Base ScoreComponentProduct and Resolution CVE-2012-2392 Resource Management Errors vulnerability 3.3 Wireshark Solaris 11 11/11 SRU 11.4 CVE-2012-2393 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 3.3 CVE-2012-2394 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 3.3 This notification describes vulnerabilities fixed in third-party components that are included in Oracle's product distributions.Information about vulnerabilities affecting Oracle products can be found on Oracle Critical Patch Updates and Security Alerts page.

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  • Deal Registration Moves to Oracle Partner Store (OPS)- The Four Action Items for Partners

    - by Richard Lefebvre
    In November 2012, Oracle’s partner deal registration process will move to the Oracle Partner Store (OPS). During this time, OPS will become the single source for partners to register deals, obtain deal status, and place orders. What will partners need to do? 1. Request an OPS Account – If your company is new to OPS the first thing you need to do is request an account (if your company already has an OPS account, go to step 2). It’s important to have the person who will be managing your OPS account make this request as soon as possible. They will be set up as your company’s primary administrator. 2. Set-Up Users in OPS – Setup of users can start immediately, and will be handled by the primary OPS administrator at your company. The process is simple, but all existing users of Global PRM (Partner Relationship Management) deal registration will need to be set up in OPS before November 14, 2012.  3. Review/Action Any Registrations Pending Submission in PRM – Prior to November 14, 2012, all pending registrations should be submitted in the existing PRM system. It is important that this step is complete so registrations will not need to be re-entered when the system is moved to OPS on November 17, 2012. Registrations pending submission are easily identified on the registration listing screen with either “Incomplete” or “Returned to Partner” in the status column.  4. Attend Training – Oracle will offer multiple VAD and VAR training sessions beginning October 29, 2012. It is recommended that all users attend one of these important sessions.  Detailed instructions on each of these tasks can be found on the OPS Information Page. OPS will offer several enhancements to the deal registration process, including: Simplified Registration Form Easier Product Selection Expanded Browser Support Shared Registration Visibility Between VAD and VAR Pre-set Customer Selection From Partner Ordering Base Best Regards, Titina Ott Vice President, Worldwide A&C Systems And Business Processes 

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  • Could not install appliation via Desktop Manager..

    - by tek3
    I am trying to install an application onto my device..I have compiled the application using JDK 4.5.0 and also signed it with RIM signing keys...But i am unable to install my application onto my device(8900) through desktop manager..It keeps on showing "application is not compatible with your device and cannot be loaded"... Since i have compiled my application in JDK 4.5, it must be compatible with all devices having OS 4.5.0...Any pointers to what might be going wrong??? Is there any version miss match??

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  • Is it better to cut and store all sprites needed from a spritesheet in memory, or cut them out just-in-time?

    - by xLite
    I'm not sure what's best practice here as I have little experience with this. Essentially what I am asking is... if it's better to get your single PNG with all your different sprites on it for use in-game, cut out every sprite on startup and store them in memory, then access the already-cut-out sprite from memory quickly or Only have the single PNG with all the different sprites residing in memory, and when you need, for example, a tree. You cut out the tree from the PNG and then continue to use it as normal. I imagine the former is more CPU friendly than the latter but less memory friendly, vice versa for the latter. I want to know what the norm is for game dev. This is a pixel based game using 2D art. Each PNG is actually an avatar's sprite sheet with each body part separated and then later joined to form the full body of the avatar.

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  • How to delete images from memory in a browser

    - by trefeater
    Hi all. Is it possible to delete some images from the browser (firefox2) memory using javascript? By doing this, I want to save some precious browser memory and let my web app to work better. I guess that if possible, it will be something like this: delete (document.images[7]); document.images[7].src = null; document.images[7] = null; Thanks guys!

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  • IT User Adoption Survey - UPK Users we need YOU!

    - by user708585
    Oracle UPK is teaming with Neochange, a recognized user adoption leader, to produce the 4th IT Adoption Insight Report Complete the following survey for a chance to win an Apple IPad!* Help develop insight into the challenges and trends occurring in IT Adoption by participating in the 2012 survey. The information gathered is used to prepare the 2012 IT Adoption Insight Report, used by industry leaders to understand challenges and trends in IT Adoption. This year the report focuses on understanding the business impact of various end-user strategies and adoption barriers. This survey should take no more than 15 minutes of your time and each participant will receive a complimentary copy of the report: https://www.surveymonkey.com/s/2012_Adoption_Insight_Report To view the prior report: IT Adoption Insight Report Thank you in advance for your participation! *One Apple iPad will be given away to a randomly selected survey participant who completes the survey by January 15, 2012. The winner will be notified by email by January 31, 2012.

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  • lock-free memory reclamation with 64bit pointers

    - by JDonner
    Herlihy and Shavit's book (The Art of Multiprocessor Programming) solution to memory reclamation uses Java's AtomicStampedReference<T>;. To write one in C++ for the x86_64 I imagine requires at least a 12 byte swap operation - 8 for a 64bit pointer and 4 for the int. Is there x86 hardware support for this and if not, any pointers on how to do wait-free memory reclamation without it?

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  • Magento connect manager problem

    - by itsandy
    Hi all, I am new to magento and have started using it recently. I just installed a theme from siteground and after installing it from magneto connect manager when i try going back to admin page to make other changes it doesnt lets me go. Neither I can visit the frontend. It's taking me to localhost:8081/magento/downloader Has anyone faced the same problem or know how to fix this.Please help. Thanks

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  • kvm process has too large a memory footprint on host

    - by gucki
    I'm using latest ubuntu quantal and start a kvm guest which should have 2048 MB of memory. Now after a few hours I can see that the kvm process of this guest is around 2700 MB, so 700 MB more than the guest should be able to consume. I mean a small overhead like 1% would be ok, but not 30%?! root 8631 74.0 22.2 4767484 2752336 ? Sl Nov07 512:58 kvm -cpu kvm64 -smp sockets=1,cores=2 -cpu kvm64 -m 2048 -device virtio-blk-pci,drive=drive-virtio0,id=virtio0,bus=pci.0,addr=0xa,bootindex=100 -drive file=rbd:data/vm-disk-1,if=none,id=drive-virtio0,cache=writeback,aio=native -device virtio-net-pci,netdev=net0,bus=pci.0,addr=0x12,id=net0,mac=02:7a:86:e6:1a:6c,bootindex=200 -netdev type=tap,id=net0,vhost=on -usbdevice tablet -nodefaults -enable-kvm -daemonize -boot menu=on -vga cirrus root 8694 0.0 0.0 0 0 ? S Nov07 0:00 [kvm-pit/8631] How is this possible and how to prevent it?

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  • Store password temporarily in memory

    - by Nils
    Hello, I'm looking for a way in an Android application to store a password within the memory as long as the application is running (cf. different activities). I was first thinking about the SharedPreferences, but then it's saved in the flash memory, which isn't that good for a password, I guess. I'm unsure, what's the best way. What would you recommend me?

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  • How to keep program always in memory (no swapping)

    - by Yossarian
    I'm using KeePass (on Windows 7) for storing passwords. The application is running on my laptop almost 100% of the time, but I'm using it rarely. The problem is, that activating the window after long time takes huge amount of time, I'd say that OS realized the application is no longer used and swapped it. I don't want OS to swap my KeePass (because of the loading lag, and also because of security - I don't like the idea of password keeping program's memory to be stored anywhere on HDD). Is there any possibility how to tell OS not to swap some program? Or, is this achievable by some programming?

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  • Memory leaking issue iPhone

    - by milanjansari
    Hello, Anyone have a idea about solve memory leak issues i have found one memory related issue NSAutoreleaseNoPool(): Object 0x3588aea0 of class NSCFString autoreleased with no pool in place - just leaking can anyone have a idea about how can i solve.. Thnak you

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  • Android googlemap Out of memory

    - by Xiaofeng
    Hi, I made an android application with googlemap api, and draw some 16x16 png (about 200 count) on overlay. When I move or zoom on/in mapview, "out of memory" error occurs very often. I also used the googlemap appication in my htc itself. Seams that it uses about 14+MB memmory, and never happens "out of memory". How to save memmory usage in a googlemap api, or how to enlarge android api memmory limit. Thanks a lot!

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  • Is the addition of a duration to a date-time defined in ISO 8601?

    - by Benjamin
    I've writing a date-time library, and need to implement the addition of a duration to a date-time. If I add a 1 month duration: P1M to the 31st March 2012: 2012-03-31, does the standard define what the result is? Because the resulting date (31st April) does not exist, there are at least two options: Fall back to the last day of the resulting month. This is the approach currently taken by the ThreeTen API, the (alpha) reference implementation of JSR-310: ZonedDateTime date = ZonedDateTime.parse("2012-03-31T00:00:00Z"); Period duration = Period.parse("P1M"); System.out.println(date.plus(duration).toString()); // 2012-04-30T00:00Z Carry the extra day to the next month. This is the approach taken by the DateTime class in PHP: $date = new DateTime('2012-03-31T00:00:00Z'); $duration = new DateInterval('P1M'); echo $date->add($duration)->format('c'); // 2012-05-01T00:00:00+00:00 I'm surprised that two date-time libraries contradict on this point, so I'm wondering whether the standard defines the result of this operation?

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  • What is GC holes?

    - by tianyi
    I wrote a long TCP connection socket server in C#. Spike in memory in my server happens. I used dotNet Memory Profiler(a tool) to detect where the memory leaks. Memory Profiler indicates the private heap is huge, and the memory is something like below(the number is not real,what I want to show is the GC0 and GC2's Holes are very very huge, the data size is normal): Managed heaps - 1,500,000KB Normal heap - 1400,000KB Generation #0 - 600,000KB Data - 100,000KB "Holes" - 500,000KB Generation #1 - xxKB Data - 0KB "Holes" - xKB Generation #2 - xxxxxxxxxxxxxKB Data - 100,000KB "Holes" - 700,000KB Large heap - 131072KB Large heap - 83KB Overhead/unused - 130989KB Overhead - 0KB Howerver, what is GC hole? I read an article about the hole: http://kaushalp.blogspot.com/2007/04/what-is-gc-hole-and-how-to-create-gc.html The author said : The code snippet below is the simplest way to introduce a GC hole into the system. //OBJECTREF is a typedef for Object*. { PointerTable *pTBL = o_pObjectClass->GetPointerTable(); OBJECTREF aObj = AllocateObjectMemory(pTBL); OBJECTREF bObj = AllocateObjectMemory(pTBL); //WRONG!!! “aObj” may point to garbage if the second //“AllocateObjectMemory” triggered a GC. DoSomething (aOb, bObj); } All it does is allocate two managed objects, and then does something with them both. This code compiles fine, and if you run simple pre-checkin tests, it will probably “work.” But this code will crash eventually. Why? If the second call to “AllocateObjectMemory” triggers a GC, that GC discards the object instance you just assigned to “aObj”. This code, like all C++ code inside the CLR, is compiled by a non-managed compiler and the GC cannot know that “aObj” holds a root reference to an object you want kept live. ======================================================================== I can't understand what he explained. Does the sample mean aObj becomes a wild pointer after GC? Is it mean { aObj = (*aObj)malloc(sizeof(object)); free(aObj); function(aObj);? } ? I hope somebody can explain it.

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