General :: Sun Grid Engine - Reserve Multiple Cpus On Hosts
Mar 14, 2011
I am somewhat familiar with SGE (Sun Grid Engine, now Oracle Grid Engine) commands but am having a problem when running parallel jobs.
Present Machine configuration:
machine I - 12 cpus
machine II - 12 cpus
machine III - 12 cpus
.... so on ...
One_machine - 16 cpus
(I have all machine of 12 cpus and 1 machine having 16 cpus)
I want to schedule jobs on these machine such that if I ask for 12 cpus - my jobs should execute on any of the machines which has all 12 free cpus (eg machine I or machine II) in this case.
Eg. suppose I ask for 24 cpus
Option I : 12@machine1 12@machine2 ----- I need this
Options II : 10@machin1 10@machine2 4@machine3 ---- I don't need such a distribution
Hence, Option I is ideal here. Also, when running 12 jobs on machine1 (say) - even if all 12 cpus are not being used at some instance of time, none of the 12 cpus should be freed.
In short, until my run finishes, all blocked cpus should remain blocked.
If you may understand, the purpose here is to run some performance tests.
I'm using 'qrsh' to launch jobs.
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Mar 11, 2010
I've looked through the forums and found that installing openmotif may fix my problem. I tried it but to no avail. Here is my challenge, I'm trying to install Grid Engine on my VMWare fedora installation. I get this dependency error:
Quote:
rpm -i sun-sge-bin-linux24-x64-6.2-5.x86_64.rpm
error: Failed dependencies:
libXm.so.3()(64bit) is needed by sun-sge-bin-linux24-x64-6.2-5.x86_64
libXp.so.6()(64bit) is needed by sun-sge-bin-linux24-x64-6.2-5.x86_64
sun-sge-common = 6.2 is needed by sun-sge-bin-linux24-x64-6.2-5.x86_64
I installed the latest version of openmotif and when I do a search for the two files, there is no libxm.so.3 but libxp.so.6 is there. When I try to install the rpm again I still get the exact same error.
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Sep 14, 2010
I am a newb on linux and I really need some help on how to get my job submitted through sun grid engine. This is the script I need to submit
#!/bin/sh -f
FILE=$1
LGFL=`echo $FILE | sed 's/.$//' | sed 's/.$//'`
echo "Running -> " $FILE
echo "Octave Output -> " $LGFL".log"
nohup /home/guol2/octave-3.2.4/run-octave -q < $FILE >& $LGFL".log" &
echo "Command Started"
It basically stats Octave and run a file I typed after. So if I need to submit it through sun grid engine how would I type it in command line or how should I do it in the sun grid engine control panel. I tried qsub -o <my path> -e <my path> run_octave Myfile.m (Myfile.m is the file I need to run)
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Dec 17, 2010
i am trying to install sun grid engine on Linux.And i googled a lot but unable to understand from where i should start.
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Aug 20, 2010
I am trying to install sun grid engine. Doing my ME in madurai, Thiagarajar engineering college. While loading files on workstation, it shows set ur environment variable. But I set that variable as sge-root, also checked it with echo command.
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Apr 21, 2010
I have a high resolution file (1080p) encoded with H.264 and when I play it back, it lags at certain parts (and enough parts to destroy the job of watching the video).
I don't think that my computer is that crappy and it has been able to play many H.264 encoded files with high resolution - so there is always a possibility that this file is just encoded poorly (lacking a better computer, I cannot test).
For information, I'm running Ubuntu 9.10 64 bit. I have a Intel Core2 Quad CPU Q9550 (@2.83 GHz). I have 8 GB of RAM (forgot the speed off the top of my head). And a Nvidia GeForce GTX 280 (1 GB of memory).
During the playback, the RAM is far from being completely used; however, it seems that one (and only one) of the cores of my CPU becomes saturated at 100% precisely at the moments in which the file lags. When the CPU utilization is below 100%, there is smooth playback.
My question is - is it possible to use all four cores during playback, or is such a process not capable of easy parallel processing.
Another side question is, how can I be sure that my GPU is being used in the decoding process - or is that also being under-utilized?
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Jan 17, 2011
[Code]....
What I want: multiple virtual hosts with ssl and only 1 ip address: In my example: server = 192.168.227.129
[Code]....
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Feb 28, 2011
I'm using bioinformatics programs i run from console on my system or on the server and some of them don't have a option for use multiple cores/cpus.There's a way to force it? some programs have to run for days and use a single core...
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Apr 13, 2010
I want to create a script to insert the fstab and hostname in a textfile of multiple servers on the network without a password. The servers are situated in a text file. So i want to read the text file line by line and write the output into another textfile.
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Mar 11, 2010
We have a requirement to configure multiple email gateways, for mail accounts configured on linux server. the application will trigger mails (bulk mails) and we would like to configure multiple email gateway to be used.
we decided to do it this way.
In dns we would create MX records like
yourdomain.com. 3600 IN MX 20 realmailserver1.yourdomain.com.
yourdomain.com. 3600 IN MX 20 realmailserver2.yourdomain.com.
where realmailserver1.yourdomain.com. and realmailserver2.yourdomain.com. will be our email gateway.
and internally on our linux server (from which mail is sent) if i specify multiple smart hosts like
define(`SMART_HOST',`esmtp:realmailserver1:realmailserver2')dnl
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Feb 27, 2011
have a look at the following thread story and please clear my doubt.
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Jun 16, 2011
I have 16 linux servers that use /etc/hosts files to see and talk with each other. I'm adding servers to this pool of servers. It is required to do host resolution via the /etc/hosts files. DNS or NIS are not alternatives. Aside from manually editing each of the 16+ /etc/hosts files every time I add a server or editing one /etc/hosts file on one server then scp'ing it to all the other servers, is there anyway to edit the /etc/hosts on one server and "push" it onto the other servers that need the new /etc/hosts file?
Everywhere I've looked on the Net, there hasn't been any suggestion except for the options I mention here.
Or am I just whistling in the wind?
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Sep 15, 2010
What is the best way to go about setting up multiple virtual hosts on the same box, one using http and one using https/ssl? I'd like to serve them from the same ip address if possible; I know it's possible in apache 1.3.
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Jul 16, 2010
I am trying to configure dhcpd to provide two different pools of IPs- one for dynamically named hosts specific to MAC addresses, and another for everyone else.So, a machine with X MAC address connects, gets an IP from e pool, and the server updates DNS with the address under a specific hostname.For the other pool, it just assigns the IP, no DNS updates.The "class" function doesn't appear to allow anything but pattern matching, and I can't find anything that specifies what "allow" and "deny" options therere for the pool command.Here's my config so far - will this do what I want?
Code:
key dhcpd {
algorithm hmac-md5;
[code]...
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Feb 15, 2011
I have set up a SSL site for my default Apache server. But I want to set up multiple SSL sites for multiple IP based as well as Name based Virtual hosts. Is there a way where in I can include definitions for SSL certificates and keys within the Virtual Host directive in the httpd.conf, so that I can specify separate key and cert file for every Virtual Host.
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Dec 30, 2010
I have a server that host's several sites, recently I had to create a new server because the old one isn't good enough for me. Ive installed apache2 on the new server and moved all the files from one server to the other. I'm making tests in my local lan so I've edited my computer's hosts file to point to the name of each site to the local ip of the new server:
192.168.1.85 www.mypage.com
192.168.1.85 svn.mypage.com
192.168.1.85 trac.mypage.com
I have all the site definition files in /etc/apache2/sites-available I also have the used a2ensite to enable each page.
Whenever o use my browser to try and access each of the sites I always get the svn.mypage.com page and none of the others.
here is some debug info:
Code:
sudo apache2ctl -S
VirtualHost configuration:
wildcard NameVirtualHosts and _default_ servers:
[Code]....
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May 10, 2010
I have some problem in apache2 configuration. I have two websites on same IP on LAN.i.e. 192.168.1.5
[Code]...
What should I check in a few blogs I checked they said to mention in [URL]...But in this case what should I put I have two different websites or what other thing I have missed? I do not have access to DNS so that on LAN I can point site1.abc.com and abc.com to same IP 192.168.1.5 which to me seems could resolve the issue.
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Apr 13, 2011
I'm trying to pass multiple dpmains thru one ubuntu server to various hosts on my local network.
[url] should be sent to the /var/www folder on the local host.
[url] should be forwarded to an IIS box on my local network (owa.nunya.local)
[url] should be sent to another ubunto box on my local network (smtp.biznet.net)
I have tried placing VirtualHost entries in /etc/apache2/sites-available/default and [url]and [url] both work but [url] gets forwarded to the c:inetpub folder on the IIS box.
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Sep 9, 2010
When running cat /proc/cpuinfo under Linux, a variety information is kicked-back. For example:
> cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Xeon(R) CPU 5130 @ 2.00GHz
[Code]...
First, what does all of that actually mean? I see I have a processor 0 and processor 1. Does that mean Linux is reporting both cores of the CPU, or, since it is a VM, the two that I happen to have right now (even if they're on physically different CPUs)?
Second, how can I get a similar information dump form the command line in Windows? Third, is there a way using either platform to determine the number of physical CPUs versus total CPU cores?
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Sep 25, 2010
is there any HOWTO for configuring Webmin Postfix server with multiple postfix virtual hosts? Seems to be a tough challenge to set it up without any easy manual..
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May 2, 2011
I'm trying to use ssh-keyscan to get some known_host file population going on, but I have a ton of hosts I want to scan, all with multiple aliases in /etc/hosts. Is there a way to use my current /etc/hosts file to do an ssh-keyscan instead of making a special list of hosts that (from what I've read) ssh-keyscan needs?
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Aug 17, 2011
Well, as many proxy applications, GNOME Network Proxy Preferences only allow to ignore hosts. What I want to do is exactly the opposite. I only want to use the proxy for few sites. Is it possible to define only the allowed hosts in any way?
PS: I know FoxyProxy add-on for Firefox does this, but 1)I don't use Firefox and 2)I want the proxy settings system wide not only for browser.
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Jan 26, 2011
Probably an easy (which means stoopid) question...I am trying to reroute a website using my hosts file so that it matches my servers certificate file for testing without effect dns and the live site.When I went to edit my /etc/hosts file it is non-existent. I have, I am assuming in it's place, hosts.allow and hosts.deny. Can anyone explain why I do not have a hosts file?
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May 25, 2011
I did an easy apache update and ever since have been getting an error about the Zend engine...
Quote:
Zend Guard Loader requires Zend Engine API version 220090626.
The Zend Engine API version 220060519 which is installed, is outdated.
I have searched for answers on how to update the Zend engine, but can not find much at all and wondered if anyone here has encountered a similar message and knows what I might do.
My system details are
Apache 2.2.18
CENTOS 5.6 x86_64
cPanel/WHM
PHP 5.3.6
Zend Optimizer/Guard Loader for PHP
3.3.9 -
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Nov 21, 2010
That's the message I see briefly right before I am booted into Ubuntu Meerkat. It's right after the boot menu and the boot into Ubuntu begins and the screen is still black when that message appears.
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Jun 24, 2011
I run a few programs that are very resource intensive, and although my computer has 4 cores, it keeps "freezing": it still works, I can see that my downloads keep on going, it's just too slow to show me a terminal screen so that I can kill whatever program got out of line.
It may be a bit complicated, but I suppose that there should be a way to do it: how can I keep some "cpu usage" from being used? I don't know, maybe reserve a core for management? Or throw the problematic programs in a "box" of limited processing power?
I'm sorry if this is a really dumb question, I'm a bit of a noob, but that would help me a lot. Of course, if someone has a better suggestion for my problem, I'd appreciate it very much.
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Jan 25, 2011
Can ubuntu be configured to reserve more bandwidth for some domains at the expense of others?
Eg you are browsing facebook and data comes faster than on a tab where you are browsing ......
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Jun 15, 2011
I loaded Avast anti virus into Ubuntu 10.10 this morning. It seemed to go okay and uploaded the updates. But then it stopped. Now when I try to start it I get the following error message. 'An error occurred in avast! engine: Invalid argument'
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Jun 17, 2010
I have several environments in which I am using Thin Clients as terminal emulators to Red Hat servers. I have been deploying Thin Clients for the past few years to replace old WYSE dumb terminals. One problem I am having is that the dumb terminals were serial so they were on a specific tty port. The Thin Clients however connect on the first available pts port, I really don't have control over the port each Thin Client connects on, other then possibly making sure they are always started in a certain order, which isn't a feasible option. What I am wondering is if anyone knows a way to control which pts port a thin client connects on; I'm guessing it would have to be by hostname or IP, I just can't figure out how.
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Sep 13, 2015
I'm trying to install plymouth on my Debian 8.2 Jessie (Stable), but when I boot my pc I get this error:
Code: Select alluvesafb: cannot reserve video memory at 0xdf000000
This is my configuration:
Code: Select allcat /etc/default/grub
# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
# For full documentation of the options in this file, see:
# info -f grub -n 'Simple configuration'
[Code] ....
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