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  • Keyboard Slow on a high power machine.

    - by Tim Pierson
    I am having a terrible time with my high powered machine. The keyboard is not displaying the keys as quickly as I type. Sometimes I have to wait up to a minute for the key to display. When I type ahead it sometimes loses characters. I am not sure where to start looking for this problem. It started about a month ago and I still have not figured

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  • Sound card issues (High Definition Audio Controller)

    - by Prakash R
    I have a 5-year-old Acer Aspire 4520. Until a month back it was working beautifully on Windows 7 32bit. But then out of the blue, the sound stopped working. I've tried reinstalling the OS 3-4 times. The sound came back a couple of times, but it stopped working after a reboot. Even after installing the sound drivers, I don't see any entry in the

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  • High frequency, kernel bypass vs tuning kernels?

    - by Keith
    I often hear tales about High Frequency shops using network cards which do kernel bypass. However, I also often hear about them using operating systems where they "tune" the kernel. If they are bypassing the kernel, do they need to tune the kernel? Is it a case of they do both because whilst the network packets will bypass the kernel due to

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  • When to use MySQL replication or DRBD for HA on Xen VM?

    - by user62513
    I'm setting up a database which needs to be needs to provide High Availabilty. My primary concern is high performance and robustness (I don't want something that will fail fast and badly). The database is accessed by the application at an average of 300 qps. It's will run on Xen VMs and it has some InnoDB tables as well as MyISAM tables.

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  • High CPU Steal percentage on Amazon EC2 Instance

    - by Aditya Patawari
    I am experiencing high CPU steal percentage in a Amazon EC2 large instance. I know it means that my virtual CPU is waiting on the real CPU of the machine for time. My question is that what can I do to reduce this percentage and get maximum out of the CPU? Steal percentage is consistently at 20%. System load crosses 10 when this happens.

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  • Load on Ubuntu 8.04 LTS high

    - by Paddington
    My Ubuntu 8.04 LTS server periodically has a high load avg spike(once every 2 days) resulting in Apache timing out and virtualy everything even SSH to the server is not possible. When I am on the console and run TOP is see that The load avg increases from less than 1 to above 60 in 15 mins. How can I isolate the cause? top - 09:21:51 up

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  • Load Balancing and High Availability for Web Site

    - by nzgirl
    We've developing a database driven (70%/30% read/write load) website using C#.NET, IIS and MS SQL Server 2008 to be hosted on Windows 2008. Due to contractual reasons our setup has to be hosted on our own physical/virtual servers instead of a cloud solution at this stage. Could someone outline or link to some best practices that would

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  • High system cpu load (%sys), system locks

    - by Mark
    For the last two weeks we are having intermittent severe spikes in system cpu usage (shown as %sys), which last for maybe half a minute, locking most processes, including ssh. I've been trying to figure this out, but atop doesn't show anything relevant (system usage for processes it shows is insignificant), spikes are intermittent and

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  • HIGH CPU USAGE FROM SUSTEM [on hold]

    - by user195641
    CAN ANYONE EXPLAIN THIS ? IT IS BAD FOR MY CPU ? CAN ANYONE HELP ME ? I DONT KNOW WHAT TO DO ! THERE IS HIGH DELAY WHEN I OPEN A NEW TASK HOWEVER ITS A INTEL CORE DUO EXTREAMA 3.0GH THANKS There are about 100 items monitored with the agent. They are also monitored on other identical hosts where Zabbix agent does not consume so much of

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  • Single player 'pong' game

    - by Jam
    I am just starting out learning pygame and livewires, and I'm trying to make a single-player pong game, where you just hit the ball, and it bounces around until it passes your paddle (located on the left side of the screen and controlled by the mouse), which makes you lose. I have the basic code, but the ball doesn't stay on the

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  • SQL Server high CPU and I/O activity database tuning

    - by zapping
    Our application tends to be running very slow recently. On debugging and tracing found out that the process is showing high cpu cycles and SQL Server shows high I/O activity. Can you please guide as to how it can be optimised? The application is now about an year old and the database file sizes are not very big or anything. The

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  • High Frequency Trading

    - by Hamza Yerlikaya
    Over the last couple of weeks i have come across lots of articles about high frequency trading. They all talk about how important computers and software is to this but since they are all written from a financial point of view there is no detail about what does software do? Can anyone explain from a programmers point of

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  • MSSQL Server high CPU and I/O activity database tuning

    - by zapping
    Our application tends to be running very slow recently. On debugging and tracing found out that the process is showing high cpu cycles and SQL Server shows high I/O activity. Can you please guide as to how it can be optimised? The application is now about an year old and the database file sizes are not very big or

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  • Do we really need high level languages? [closed]

    - by i_love_c
    Seeing the amount of softwares developed (and still being developed) in C and considering the fact that C currently tops the TIOBE chart, I have this one question for you all: Do we really need high level languages like C# or F# or Ruby? Don't you think these so-called high level languages are actually spoiling

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  • ntpdate -d Server dropped Strata too high

    - by AndyM
    I cannot sync with a NTP source thats coming from an internal router/firewall. Anyone help ? ntppdate -d 192.168.92.82 6 Jun 11:57:30 ntpdate[5011]: ntpdate 4.1.2@1.892 Tue Feb 24 06:32:26 EST 2004 (1) transmit(192.168.92.82) receive(192.168.92.82) transmit(192.168.92.82) receive(192.168.92.82)

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  • raid 1 and high load average

    - by melocoton
    i have a server with high load average, I think the problem is the raid 1. cat /proc/mdstat Personalities : [raid1] md0 : active raid1 sdb1[1] sda1[0] 256896 blocks [2/2] [UU] md3 : active raid1 sdb3[1] sda3[0] 2562240 blocks [2/2] [UU] md4 : active raid1 sdb5[1]

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  • High mysql server load, sar output

    - by eric
    I have a MySQL Server that should be performing better than it seems to be. We're running ubuntu on a Amazon Cluster Compute (cc1.4xlarge) Linux ip-10-0-1-60 3.2.0-25-virtual #40-Ubuntu SMP Wed May 23 22:20:17 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux Distributor ID: Ubuntu Description:

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  • django, mod_wsgi, MySQL High CPU - Problems

    - by Red Rover
    Good Evening, and thank you for reading this post. I am having a problem with Django after migrating the dB from SQLlite to MySQL. Initially, for the first 48hours, all ran well. But now we are experiencing high cpu about every 30 minutes. This is a production ESX4i VM host, with 2 x 2.8

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  • no disk io but iowait very high

    - by Dan
    there is no disk io going results of iotop Total DISK READ: 0.00 B/s | Total DISK WRITE: 0.00 B/s TID PRIO USER DISK READ DISK WRITE SWAPIN IO< COMMAND 1 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % init [3] 1930 be/4 named 0.00 B/s 0.00 B/s

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  • High load without explanation

    - by Sebastian
    I have a very high load on my machine and don't know what is responsible or how to find out. On the machine runs a jboss appserver and mysql. Here is a top from the user at peak time: top - 16:23:01 up 101 days, 6:50, 1 user, load average: 23.42, 21.53, 24.73 Tasks: 9 total, 1

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  • IIS High use & Server Performance issues

    - by HaydnWVN
    Have an SBS2011 running Exchange, a database app and a few other things serving 5 users (3 low use, 1 high). The server was never specced for the database app so it isn't as powerful as I'd like... Only 12GB RAM. We have increasingly found performance problems with this server, last

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  • High apache load but zero traffic

    - by Adie
    I have a problem with new server.. I use VPS Centos with 1GB of ram and I use wordpress CMS. The traffic <100 visitor/hour, but the apache have high load and make the server hang with zero free of ram and can't connect through ssh. I should reboot the vps to make it works here

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