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0answers
30 views

Xen multiple simultaneous live migrations

I have some VMs on a physical server and I need to migrate them on another physical server. Both server are running Xen hypervisor. I attempted to migrate them simultaneously by executing the commands ...
2
votes
2answers
62 views

How to parallelize the for loop while scp the files?

I am running my below shell script from machineA which is copying the files machineB and machineC into machineA. If the files are not there in machineB, then it should be there in machineC. The below ...
0
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2answers
122 views

Gnu parallel & pipe

I want to send each line of a file to another program's stdin, e.g. input.txt line1 line2 line3 I want to use the gnu parallel like this (i.e. pipe each line as stdin to the more command) cat ...
1
vote
2answers
53 views

Redirect to stdin instead of argument when using xargs [closed]

for exmaple, using the command cat foo.txt | xargs -I{} -n 1 -P 1 sh -c "echo {} | echo" The foo.txt contains two lines foo bar The above command print nothing.
1
vote
1answer
366 views

Using parallel to run script without input

I'm trying to run many instances of a script with GNU parallel, but the script takes no arguments. If I just execute 'parallel foo.sh' I get this: parallel: Warning: Input is read from the terminal. ...
1
vote
1answer
402 views

How to configure multiple hostfiles to split big backups in BackupPC?

With my current configuration the BackupPC creates one rsync(of tar for local) process per host. My config file is following: /etc/BackupPC/pc/myhost.pl: $Conf{RsyncShareName} = '/data'; In my ...
-2
votes
1answer
68 views

How to launch a site with high future growth potential. [closed]

I hope I have what is a straightforward question. As I am sure the steps of setting this up are complicated I would like to know a few things. We have a team that has been working on a great ...
0
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0answers
34 views

Parallel plesk quit after installing sharepoint and setting up server domain

I had my url domain name set up and working using parallel plesk. I then installed sharepoint to set up a server farm. I changed the server from a workgroup to a domain and started sharpoint product ...
-1
votes
1answer
60 views

DB25 printers to pc [closed]

If computer has a single parallel port then how can I connect three paralel printers on this pc ? Print Server seems a solution but seems expensive.However these printers might be far away.Is there ...
0
votes
2answers
51 views

parallelization

dd if=/dev/zero of=/dev/null bs=2048k count=100000 dd if=/dev/zero of=/dev/null bs=2048k count=100000 dd if=/dev/zero of=/dev/null bs=2048k count=100000 dd if=/dev/zero of=/dev/null bs=2048k ...
0
votes
2answers
1k views

Execute curl requests in parallel in bash

What is the best way to execute 5 curl requests in parallel from a bash script? I can't run them in serial for performance reasons.
4
votes
3answers
185 views

How to execute a command on multiple hosts using IPv6 only?

First of all there is pdsh which is essentially a parallel distributed shell which may execute commands on a list of given hosts. However, I find myself in an IPv6 only problem setting. It seems that ...
1
vote
2answers
92 views

Why are 20 requests executed in parallel slower than 10x2?

This question bothers me, and I do not think I am going to find the answer myself, so I thought it might be best to look for help. When I do: root@server1:~$ ab -n 20 -c 20 ...
1
vote
3answers
5k views

how to run multiple shell scripts in parallel

I have a few test scripts, each of which runs a test PHP app. Each script runs forever. So, cat.sh, dog.sh, and foo.sh each run a PHP script. Each shell script runs the PHP app in a loop, so it ...
-3
votes
6answers
216 views

can we use a HP JetDirect in reverse?

I have the following situation I have an Ethernet only HP Printer which I need to connect to a parallel port PC. Could I use an External JetDirect card to connect my Ethernet printer to a Parallel ...
0
votes
2answers
59 views

How do I create a webserver that has a higher capacity…?

Hypothetically speaking... I have a website that is becoming quite popular. It is a fairly simple site, written in PHP and connecting to a MySQL database. The server it is hosted on has a top-notch ...
1
vote
1answer
39 views

Parallelly execute tasks on x instances

I need to execute a dataset processing task. It’s a simple php script to warm up memcached machines. The dataset contains the keys (around 24 million) If I were to execute the warm up script from ...
2
votes
1answer
223 views

PBS Jobs - serial vs parallel job which one is better for my scenario

I have access to a cluster that uses 'torque' (I think) and we use PBS scripts to submit jobs. I need to run more then 200 instances of an app that I've developed in java. The app acts as a peer ...
2
votes
1answer
4k views

How do I make this script run in parallel?

I have a script but it takes hours to execute. What do i need to do to make this run in parallel? $servers = Get-Content -Path c:\Scripts\MyServerList.txt foreach ($Server in $servers) { ...
0
votes
0answers
157 views

Lustre I/O server goes down without cpu being loaded, I/O server which takes the backup service goes 100% cpu and performance goes down.

I'm having something that I can not understand. I quite new on lustre. n4 and n5 are two I/O servers, each one taking care of different datasets. When one of them goes down, the other is supposed to ...
2
votes
2answers
184 views

Can IIS create threads from GPU cores?

Can IIS be set up to take advantage of new massively multi-core GPU's to provide additional thread for maximum concurrency? My thought is that with technology like the AMD Fusion would it be possible ...
0
votes
2answers
799 views

Parallel Environment (PE) on Sun Grid Engine (6.2u5) won't run jobs: “only offers 0 slots”

I have Sun Grid Engine set up (version 6.2u5) on a Ubuntu 10.10 server with 8 cores. In order to be able to reserve multiple slots, I have a parallel environment (PE) set up like this: pe_name ...
1
vote
2answers
40 views

hardware support for parallel file system

I am looking forward to use parallel file system using MPI in linux cluster. I am wondering if parallel file systems like lustre/Parallel Virtual File System require special hardware support(special ...
2
votes
3answers
659 views

printing parallel over ethernet cable

I have a bit of an interesting challenge :) I have a machine with a parallel printer output, i want it to be able to print instead to a printer in a different room and i know that parallel isnt great ...
0
votes
1answer
48 views

Choosing right computer cluster components

Recently someone at university gave me a task to create a network for parallel computing. For now i've got two intel chassis, two quad-core processors each, but it will expand with time for sure. I ...
0
votes
1answer
75 views

PVFS with a NAS in RAID : good match?

I have to test PVFS i/O performance on a big file. First I am trying on a small csv file contains 1 000 000 rows. My computing is simple : it consists to get the number of differents pattern in the ...
0
votes
1answer
168 views

Free Linux Cluster Build for Small Scale Research

I need to build a small cluster for my research. It's pretty humble and I'd like to build a cluster just with my other 3 laptops at home. I'm writing in C++. My codes in MPI framework are ready. I ...
0
votes
3answers
101 views

Building Windows Clusters [closed]

I'm a research student and I want to build a windows cluster at home with my laptops to test my parallel codes. The problem is I'm using Windows 7 Home Premium, not a server edition. I'm using ...
2
votes
4answers
3k views

shell script: run a batch of N commands in parallel, wait for all to finish, run next N

Task: run blocks consisting of 3-5 commands (in parallel/background). Example block: dd if=/dev/urandom of=/mnt/1/x bs=1024 count=1024000000 & dd if=/dev/urandom of=/mnt/2/x bs=1024 ...
4
votes
5answers
2k views

Parallel execution of different commands on multiple hosts

I'm looking for a tool for running a series of commands like the existing tool: parallel -h parallel [OPTIONS] command -- arguments for each argument, run command with argument, in parallel ...
0
votes
2answers
862 views

How to upload (and measure) SFTP in parallel?

I've got a remote server that I can access via SFTP. (Not FTP over SSL. SFTP.) Periodically, I need to push a few thousand new files to that machine. How can I: Upload upload these in parallel? ...
2
votes
2answers
520 views

Bash Parallelization of CPU-intensive processes

tee forwards its stdin to every single file specified, while pee does the same, but for pipes. These programs send every single line of their stdin to each and every file/pipe specified. However, I ...
6
votes
4answers
1k views

need high performance /bin/sort; any suggestions?

Greetings, I'm looking for a high performance /bin/sort drop in replacement. I know there is pbzip2 for using multiple cores, but is there a similar product for /bin/sort? I've found distsort.sh, ...
4
votes
4answers
461 views

Is it dangerous to have several parallel jobs create the same directory at the same time?

Is it dangerous to have several parallel jobs create the same directory using mkdir -p? (This is under Linux.) In my case, I send many jobs to a SUN grid to process them in parallel, and some of ...
2
votes
5answers
2k views

Parallel File Copy

I have a list of files I need to copy on a Linux system - each file ranges from 10 to 100GB in size. I only want to copy to the local filesystem. Is there a way to do this in parallel - with multiple ...
0
votes
1answer
78 views

Request Multiple Maya Floating Server Licenses for extra Satellite clients [duplicate]

Possible Duplicate: Can you help me with my software licensing issue? I am currently setting up a 'render farm' for Maya 2008 Unlimited. One Maya workstation license comes with the ability ...
12
votes
9answers
9k views

rsync to multiple destinations using same filelist?

I'm wondering if it's possible for rsync to copy one directory to multiple remote destinations all in one go, or even in parallel. (not necessary, but would be useful.) Normally, something like the ...
0
votes
2answers
121 views

Dns with parallel resolution

I'm looking for a simple caching (can be caching-only) DNS server, which can do parallel resolving on its own. Is there something like that available? Alternatively I know there's the c-ares library, ...
1
vote
1answer
572 views

How to install a Linux application in cases when parallel startup scripts running is enabled or disabled?

We develop a Linux application to work on different RedHat/SUSE distributions. This application (namely, daemon) is expected to be automatically run at startup so we place our startup script in ...
3
votes
3answers
210 views

A few minutes of CPU time but on 1500 servers - where?

I have developed a software concept where I need to have approximately 1500 servers respond in parallel, in order to have a user interface that is responsive enough. I tried it out on a $1/month ...
1
vote
6answers
466 views

Parallel file systems

I am looking for a "Parallel File System" that is easy to setup, maintain, and scalable. My goal is to have a single mount point on a Linux machine that applications can read/write using standard ...
2
votes
3answers
135 views

Parallel development on Linux

I am Java developer on Windows environment and now I want to start development on Linux environment. I know that Linux is a multi-users platform. So my question is, can more than one developers work ...
1
vote
2answers
552 views

After configuring a Linux kernel, can I safely make bzImage and modules at the same time?

I noticed that my processors were, in total, in use only about 50% of the time while making a Linux kernel. I usually make the kernel, then make the modules. I have just started a make bzImage in ...