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  • MicrosoftOnline Migration - Why do I have to wait several minutes before I can click "Finish?"

    - by Giffyguy
    I'm using the MicrosoftOnline Internet E-Mail Mailbox Migration Wizard. I'm moving my email from several GMail accounts to my Microsoft Exchange Online mailboxes. Every time I migrate all or part of a GMail mailbox, I have to wait about five minutes after it completes migration before the Finish button becomes available. What is going on during this time? Is it something I am doing wrong, or is the system just slow?

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  • SQL Server - VMWare install - Utilize more RAM

    - by alex
    We have a SQL server machine - It’s a VMWare image (running on ESXi hardware etc..) It has windows 2008 x64 standard The SQL install is SQL 2008 standard The virtual machine has 12gb of RAM, and 4 virtual CPU The box is suffering from near 100% CPU a lot of the time I enabled the AWE- but SQL server only seems to use 3-4gb of RAM Is there a way of making it use more available ram more effectively? cache results for example..?

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  • How expensive is a hostname in htaccess? Other solutions possible?

    - by Nanne
    For easy allow or disallowing of dynamic IP-adresses you can add them as a hostname in a .htaccess file. As I have read from: .htaccess allow from hostname? it does a reverse lookup on the connecting ip address, seeing if the response matches the allowed name. (Well, actually Apache is doing a double lookup, first a reverse lookup and then a forward lookup on the result of the reverse.) This is the reason we are currently not using dynamic-ip hostnames in the .htaccess: this "sounds" quite heavy: 2 extra lookups for every request. Is this indeed quite heavy, and would a reasonably busy server that is rather looking for less then more load get away with this :)? (e.g.: how does this 'load' compare to the rest? If a request is 1000 times more expensive then the lookups it might be negligible. otoh, it could be that final straw :) ) Are there other solutions? I can write a script that does a lookup of the hostname and put it in .htaccess files ofcourse, but this feels a bit like a hack.

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  • Windows 2008 R2 on ESXi 4.1 cpu utilization kernel high

    - by MK.
    I have a Win2k8 guest running on ESXi 4.1. The host has 12 cores and the problem happens even if the guest is the only VM on the host. We have 4 cores dedicated to the guest. We noticed that network starts chocking when the CPU load goes up. After some testing we noticed that when running a simple CPU hogging tool set up to run 3 threads at 100% the regular CPU load goes to 75% like it should and the "kernel times" graph in task manager goes up to 25%. My intuition tells me that the network problem and kernel times problem are the same. This is confirmed by another similar VM we created on the same host which doesn't have either of the problems. VMWare tools are obviously installed. The nic is e1000. What else can we do to troubleshoot this?

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  • A good free software for freeing up RAM Memory in Windows 7(64bit)

    - by Flavius Frantz
    I am looking for a good windows 7 software to free up RAM memory on my PC... i tried some ones I found on google but they were bad stuff... with viruses, spamware etc... i want a free clean professional software, if you don't know a good one thats free, please recommend a payed version. Also other tips/software to speed up my pc(on win7- 64bit) and such utilities. Also software to measure temperature would be great... If you can make a "must have" list of such software... Thank you I am a graphic designer, usually using this stack exchange for graphic design questions, now I realised there is this superuser one... nice :) [I usually have a lot of running programs, such as Photoshop, Flash, Illustrator, InDesign, running at the same time... with only 4GB of RAM memmory.. any tips to improve my PC perfomance would be great... I have a Asus K50IP Notebook]

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  • Gathering application architecture

    - by userbb
    Suppose there is system for gathering info about system activities. There is a client part with an interface and there are agent parts that are installed on each machine. I estimate that there could be max 20 computers now. Later could be more like 50. My solutions: Agent stores data into local database e.g. sqlite. There is also a service which can be used by a client to query data. So if a client wants to display data for 50 computers, he sends a query to 50 computers. I'am on that solution now but maybe it's totally wrong. Agent stores data into local database (I don't known good one for that). There is also server (main database) and local databases are synchronized with the server. In this case, a client connects to the main database to display data. Agent sends data in realtime to main database. So same as point 2, but there is no sync. Like in point 3, but agent buffers data in local database and sends it in small chunks to main database. What is the best approach?

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  • How can I pin point a USB file transfer bottleneck in Unix?

    - by HankHendrix
    I'm experiencing very slow data transfer speeds over USB 2.0 on my nix box and was wondering how I can pin-point the cause of the problem. I've looked into iotop and top but the cpu and mem figures look normal (compared to guides I have checked). The box which is affected is Ubuntu 12.04 32bit Server running on an Asus EEE 701 2G model and I am transferring from the OS over USB 2.0 to an external HDD (which transfers at 30MB/s+ on Windows 7 on other machine). I get rsync write speeds of 1MB/s from OS to USB HDD which seems ridiculously slow. These speeds are consistent with other USB HDDs and sticks.

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  • DD-WRT - Where's the best place to get a LinkSys WRT54G V1.0?

    - by Giffyguy
    Looking for the initial release of the LinkSys WRT54G, not V1.1 or V2.0 or anything like that. If it comes with DD-WRT pre-installed, even better. That being said, I suppose a side question would be whether SU recommends different hardware. After all, DD-WRT may have been originally built for the WRT54G and the WRT54Gv1.0 may have better hardware than any of the successive models, but it's still fairly dated. Are there newer routers that are more stable or performant with DD-WRT?

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  • Running an Application on a Different Domain

    - by Mark Flory
    Were I am contracting at right now has a new development domain.  Because of IT security rules it is fairly isolated from the domain my computer normally logs into (for e-mail and such).  I do use a VM to log directly into the domain but one of my co-workers found this command to run things on your box but in the other domain.  Pretty cool. For example this runs SQL Server Management Tool for SQL Server 2008: runas /netonly /user:{domain}\{username} "C:\Program Files\Microsoft SQL Server\100\Tools\Binn\VSShell\Common7\IDE\ssms.exe" And this runs visual studios: runas /netonly /user:{domain}\{username} "C:\Program Files\Microsoft Visual Studio 9.0\Common7\IDE\devenv.exe" It does not solve the problem I wanted to solve which would be to be able to assign Users/Groups in Team Explorer.  It instead still uses the domain I am logged into's groups.

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  • Mysql process goes over 100% of CPU usage

    - by Temnovit
    Hello! I'm experiencing some problems with my LAMP server. Recently, everything became very slow, even though visitor count on my websites didn't change to much. When I run top command, it sais that mysql process has taken over 150-200% of CPU. How's that possible, I always thought that 100% is a maximum? I'm running Ubuntu 9.04 server edition with 1,5 GB RAM my.cnf settings: key_buffer = 64M max_allowed_packet = 16M thread_stack = 192K thread_cache_size = 8 myisam-recover = BACKUP max_connections = 200 table_cache = 512 table_definition_cache = 512 thread_concurrency = 2 read_buffer_size = 1M sort_buffer_size = 4M join_buffer_size = 1M query_cache_limit = 1M # the maximum size of individual query results query_cache_size = 128M Here is the output of MySQLTuner: The top command: What could be the cause of this problem? Can I make changes to my my.cnf to prevent server from hanging?

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  • Top causes of slow ssh logins

    - by Peter Lyons
    I'd love for one of you smart and helpful folks to post a list of common causes of delays during an ssh login. Specifically, there are 2 spots where I see a range from instantaneous to multi-second delays. Between issuing the ssh command and getting a login prompt and between entering the passphrase and having the shell load Now, specifically I'm looking at ssh details only here. Obviously network latency, speed of the hardware and OSes involved, complex login scripts, etc can cause delays. For context I ssh to a vast multitude of linux distributions and some Solaris hosts using mostly Ubuntu, CentOS, and MacOS X as my client systems. Almost all of the time, the ssh server configuration is unchanged from the OS's default settings. What ssh server configurations should I be interested in? Are there OS/kernel parameters that can be tuned? Login shell tricks? Etc?

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  • Windows 7 slowing down during hard drive activity

    - by Iniquities of evil men
    Sometimes when normally using my PC, it will (seemingly) randomly slow down, and maybe sometimes even freeze for several seconds. During this slow down period, it looks like a (I don't know which drive it is) hard drive is constantly being written to. During the last slow down, I started Windows's Ressource Monitor and found out that the System process was writing up to 10MB/s to a drive (I suspect it's the system drive, C:\, but I don't know for sure). I'm not doing anything unusual (at least, I don't think I am), and most of the time, it will work normally, but, as I said, it just randomly slows down for some times. Any ideas on what might be causing this and how I can prevent this from happening again? (I have a triple-core processor and 4GB of RAM. My system drive is a WD Caviar Black 500GB, my secondary, 'data' drive is a Samsung drive, which I don't know the model number of, but I can look it up. I can also post my full PC specs if needed.)

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  • Rule of thumb in RAM estimate for static pages? [closed]

    - by IMB
    Possible Duplicate: How do you do Load Testing and Capacity Planning for Web Sites I've seen tutorials saying they can run decent websites on 64MB RAM (Debian/Lighttpd/PHP/MySQL) however it's not clearly defined how much hits/traffic a "decent" site gets. Is there a rule of thumb on how much RAM a web server needs? To keep things simple, let's say you're running a site with static content and it's averaging at 100,000 hits per hour (HTML + images combined, no MySQL). How much RAM is the minimum requirement for that?

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  • List of Application indicators

    - by user8592
    I installed Ubuntu 11.04 on one of my systems and I am using Unity interface. Unity is working quite nice so far but i really miss panel applets for net speed, cpu temp, and system monitor. These applets show useful quickinfo. Unlike 10.10, there is no other way to get these infos onto the panel or unity launcher. There are solutions like screenlets and conky but they don't feel appropriate for a clean desktop look. If you know then please list out any third party indicators with links so that they can be found at one place.

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  • How to find the process(es) which are hogging the machine

    - by Aaron Digulla
    Scenario: All of a sudden, my computer feels sluggish. Mouse moves but windows take ages to open, etc. uptime says the load is 7.69 and raising. What is the fastest way to find out which process(es) are the cause of the load? Now, "top" and similar tools isn't the answer because they either show CPU or memory usage but not both at the same time. What I need is the single command which I might be able to type as it happens - something that will figure out any of System is trying to swap 8GB of RAM to disk because process X ... or process X seeks all over the disk or process X uses 400% CPU" So what I'm looking for is iostat, htop/atop and similar tools run into one with an output like this: 1235 cp - Disk trashing 87 chrome - Uses 2&nbsp;GB of RAM 137 nfs_bench - Uses 95% of the network bandwidth I don't want a tool that gives me some numbers which I can analyze but a tool that tells me exactly which process causes the current load. Assume that the user in front of the keyboard barely knows how to write "process", but the user is quickly overwhelmed when it comes to "resident size", "virtual memory" or "process life cycle". My argument goes like this: A user notices a problem. There can be thousands of reasons ... well, almost :-) The user wants to know the source of the problem. The current solutions give me lots of numbers, and I need to know what these numbers mean. What I'm looking for is a meta tool. 99% of the data is irrelevant to the problem. So what the tool should do is look for processes which hog some resource and list only those along with "this process needs a lot of CPU, this produces many IRQs, this process allocates a lot of RAM (and it's still growing)". This will be a relatively short list. It will be much more simple for someone new to this to locate the culprit from this list than from the output of, say, htop which gives me about 5000 numbers but requires me to fold multi-threaded processes myself (I have 50 lines which say VIRT 2750M but only 16 GB of RAM - the machine ought to swap itself to death but of course, this is a misinterpretation of the data that can happen quickly).

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  • Use the same database or replicate it for reports and web

    - by developer
    I would like to know if i have a web with a huge Database and throw expensive (in time)reports , the best way to do this is with one database for the web and a replicated one for reports, or only one for both, i'm worried that users can throw reports for 5 or more years because they need that information and the web crashes because of this.

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  • The World of Web Application

    Have you ever browsed through various websites dealing over a variety of subjects and information as well as trade and commerce? There are several functions that are enabled within a site. You may have made a certain payment for an airline ticket online or even an online auction where you made a bid for a certain product.

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  • What does CPU Time consist of?

    - by Sid
    What does CPU time exactly consist of? For instance, is the time taken to access a page from the RAM (at which point, the CPU is most likely idling) part of the CPU time? I'm not talking about fetching the page from the disk here, just fetching it from the RAM. Thanks

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  • Slow Transfer Speeds from KVM host to client

    - by indian maiden
    I am trying to isolate the root cause of slow transfer speeds from my host OS to a KVM client. Both are Linux. Rsync on the host 192.168.1.72 rsync -auv --progress rut3.img /tmp/ [54.09MB/s] Rsync to the client: rsync -auv --progress rut3.img 192.168.1.80:/tmp/ [25.52MB/s] I realize that there will be some TCP overhead on the transfer but over 50%? Can someone enlighten me on what could be slowing down the transfers so much?

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  • Open file with java application [migrated]

    - by Giaphage47
    I am using Ubuntu. I would like to have a user be able to double-click (or whatever they have set to open a file) on the save file for a java game i'm making, and have the game start and automatically load the save. How could I make the game launch instead of opening the file, and then pass the save's file name or location as an argument? Would i have to have the game create a new mime type the first time it ran, or something similar, so that Ubuntu knows what to do with the save when the user tries to open it?

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  • mpstat on slackware 13.0 shows no utilization

    - by conartist6
    As the title says, the mpstat command, executed on Slack 13.0 continuously shows almost no processor utilization of any sort. In fact none of the output ever seems to change at all. The system is dual processor board with two hyperthreaded P4 Xeons. Any ideas? 08:50:06 PM CPU %user %nice %sys %iowait %irq %soft %steal %idle intr/s 08:50:06 PM all 0.38 0.00 0.03 0.03 0.00 0.00 0.00 99.56 1510.46 08:50:06 PM 0 0.50 0.00 0.05 0.10 0.00 0.01 0.00 99.33 11.90 08:50:06 PM 1 0.32 0.00 0.03 0.01 0.00 0.00 0.00 99.64 0.00 08:50:06 PM 2 0.38 0.00 0.03 0.01 0.00 0.00 0.00 99.58 0.00 08:50:06 PM 3 0.29 0.00 0.02 0.00 0.00 0.00 0.00 99.68 0.00 This is, literally, the only output I can get from the program. No values change ever.

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