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-1
votes
2answers
56 views

Cronjob run every two weeks, on Saturday, starting on this saturday [duplicate]

Today is Friday, October 3, 2014 3:58 AM I want to schedule a cronjob like that to run it at the following dates: Saturday, October 4, 2014 8:00 AM Saturday, October 18, 2014 8:00 AM Saturday, ...
1
vote
2answers
29 views

How do I configure LXC to allow the use of SCHED_RR in a container?

Any ideas on how I can configure LXC/cgroups, to allow the use of SCHED_RR for applications in a container? On the internet I have seen mention of unmounting the cpu-cgroup, I have tried that, ...
0
votes
0answers
30 views

Launch Program On Windows 2008 Desktop Using Task Scheduler

I have a job scheduler that runs on a desktop of a Windows 2008 server and users process jobs through this thing all day, every day. I have a console session that I leave up so the GUI can keep ...
0
votes
2answers
109 views

Slurm, limit the number of jobs per partition

I am configuring a Slurm scheduler, and I need limit the number of maximum jobs running concurrently on a partition (queue). I am reading a lot of information about accounting and resources, but is ...
4
votes
1answer
960 views

Does CoreOS have a cluster aware job scheduler?

Ive been checking out CoreOS and I'm impressed. Before I found CoreOS I was looking at the Mesos/Marathon/Chronos stack as a "cluster kernel". Given the following comparison: init.d == ...
2
votes
1answer
243 views

Setting I/O scheduler for SSD based RAID array on EC2 instances

I created a RAID array using the 2 local SSD drives on a EC2 c3.4xlarge instance. # mdadm --create /dev/md127 --level=0 --raid-devices=2 /dev/xvdf /dev/xvdg # mkfs.ext4 /dev/md127 # mkdir /data # ...
2
votes
1answer
946 views

Taskset not working over a range of cores in isolcpus

To preface I'm using Debian Wheezy with kernel 3.2 on an AMD64 chipset. My machine has two Xeon E5-2690 cores. I set up the boot parameters so that all the cores on one CPU are dedicated to a single ...
0
votes
0answers
12 views

Weird cgroups behaviour ( cpu shares )

I have a cpu hungry process A which is taking too much of cpu load(100%) which causes process B to take not enough cycles...B is related to web response...so when i did a benchmark of web response ...
0
votes
0answers
37 views

Windows Azure HPC Scheduler Architecture

So far I've found very little information on the scheduling policy, resource management policy of Azure HPC Scheduler. I would appreciate any kind of information regarding some of these questions: ...
1
vote
1answer
652 views

How to change the scheduler of a RAID 5 device?

I've created a RAID 5 device block by combining 4 HDDs. The name of my device is md1. But the /sys/block/md1/queue/scheduler file outputs "none" on doing cat. And also after editing it using vim ...
0
votes
0answers
133 views

Finding context switches count and run queue wait time for a process

I am observing (based on logs) that my (java) process pauses for something during execution. My first guess is a context switch. In order to verify I am trying to find (a) the number of involuntary ...
2
votes
4answers
719 views

Nice level not working on linux

I have some highly floating point intensive processes doing very little I/O. One is called "xspec", which calculates a numerical model and returns a floating point result back to a master process ...
1
vote
1answer
324 views

cpusets not working - threads aren't running in the cpuset I specified?

I have used cpuset to shield some cpus for exclusive use by some realtime threads. Displaying the cpuset config with the test app RealtimeTest1 running and its tasks moved into the cpusets: $ cset ...
1
vote
1answer
296 views

sched_setaffinity fails after I've used cset shield

I am using cset shield to create a user shield with a set of cpus cset shield --cpu 1,3,5,7 --kthread on The idea behind this is to reserve these cpus for my application code, and push all other ...
3
votes
2answers
77 views

Are there cluster resource schedulers abstraction layers?

I'm writing an application that could potentially be run on any cluster resource scheduler (SGE, LSF or SLURM to name a few of them), using very basic functionalities. I'm wondering if a ...
1
vote
2answers
1k views

Linux Scheduler (not using all cores on multi-core machine) RHEL6

I'm seeing strange behavior on one of my servers (running RHEL 6). There seems to be something wrong with the scheduler. Here's the test program I'm using: #include <stdio.h> #include ...
5
votes
1answer
857 views

How do I test the effect of ionice (against a device using the cfq scheduler)?

I'm trying to construct an experiment to measure the effect of ionice. What I'd like to do is to (per another answer on serverfault) cause frequent enough I/O that a sufficiently "niced" process is ...
0
votes
1answer
272 views

Windows XP Scheduler - Error Adding Another Task (data area passed to a system call is too small)

I'm getting an error "data area passed to a system call is too small" when trying to add a task to the Windows Scheduler. We currently have about 20 tasks in it. Googling the issue, we found to ...
1
vote
1answer
1k views

How to schedule a job to run every 10 minutes in TWS

TWS is Tivoli Workload Scheduler. I have scheduled a job, and made it repeatable every 10 minutes. I put it in a job stream with a run cycle of daily. Now, the job runs once every ten minutes on the ...
3
votes
2answers
1k views

How to properly set CPU Units for OpenVz VEs

According to all the sources I read (openvz wiki, various mailinglists, forums, ..) the values of the cpuunits settings are relative to each other. So when all are equal and the system is busy, all ...
0
votes
1answer
71 views

cron ++ for Windows

I would like to setup job scheduling on my Windows 7 machine that kicks of jobs and create alarms when they fail. Ideally so that I can run jobs on remote agents. Autosys, visualcron, powershell? ...
4
votes
2answers
1k views

Renice: How to change all threads?

When I renice a multithreaded process in Ubuntu 10.04, then view the results in top, it seems that only the main thread actually gets reniced. All the other threads retain their old nice value. ...
2
votes
2answers
1k views

How to configure Linux for using only one CPU/core of a NUMA system

I'm currently working with an AMD Opteron-based NUMA system. For the needs of my current project, I'd like to make Linux and all of the system processes to utilize only the CPU0 (and preferably, only ...
7
votes
2answers
1k views

Can enabling a RAID controller's writeback cache harm overall performance?

I have an 8 drive RAID 10 setup connected to an Adaptec 5805Z, running Centos 5.5 and deadline scheduler. A basic dd read test shows 400mb/sec, and a basic dd write test shows about the same. When I ...
0
votes
2answers
2k views

Win Server 2008 Task Scheduler to run PHP file

I am trying to figure out how to open and close IE to run a PHP page on a daily run.Not sure what to do once I get to the "Start a Program" section of the task wizard to achieve this.
1
vote
0answers
69 views

windows server 2008 administrator domain account problem

I everyone... I'm running a strange problem in Task Scheduler. I've set a task to run a IE with a URL as parameter. I've set the domain administrator account but something not working well. This task ...
2
votes
2answers
2k views

information about /proc/pid/sched

Not sure this is the right place for this question, but here goes: I'm trying to make some sense of the /proc/pid/sched and /proc/pid/task/tid/sched files for a highly threaded server process, ...
4
votes
1answer
380 views

Cron job management

What would you use as cron jobs management tool, viewer (web application based on PHP / MySQL would be preferred / gui required)? Having an overview of multiple jobs running periodically is crucial ...
2
votes
1answer
482 views

What's the proper way to change a process' scheduling policy to IDLE?

I have a long running process on a server running Ubuntu Server 9.10. I would like to make it run under the SCHED_IDLE policy using the chrt command. However, after reading the man page, I can't ...
0
votes
1answer
165 views

Why windows process scheduler assign tasks to random CPUs?

I am on dual core C2D processor, Windows 7 (although this behavior is the same in all MS OSes I've seen). When I run any single threaded CPU-intensive task, it does not stick to 1 core, but rather ...
0
votes
1answer
1k views

SugarCRM Scheduler Not Calling runProcessManager Module

I'm running Sugar Pro, version 5.5.4, on Ubuntu 9.10, Apache 2.2, MySQL 5.1.28, and PHP 5.2.10. I have a module called Process Manager setup and running. I can manually make this go, to send email ...
1
vote
0answers
196 views

adTempus - trying to create a complicated schedule for a certain task

We've (that is, to say, my client) implemented the Windows-platform scheduling software adTempus, and have a task with a peculiar schedule. The task needs to run on the 31st day of the month, but of ...
1
vote
2answers
1k views

can server 2008's task scheduler run a php file?

I have a server 2008 64 bit machine with php5 via fastcgi installed. I want to run a .php script every day at 3 AM. I set up a task and "Last Run Result" says "%1 is not a valid Win32 application" ...
0
votes
2answers
612 views

Scheduled tasks fail to start unless I'm logged in to the server

Tasks need to open a CMD window and pass net use commands, then do a DIR command, pipping the output to a file on the server. Log in as either me (Sysadmin) or with one of the system accounts and task ...
0
votes
1answer
173 views

Where can I find a complete list of Windows Scheduler Status Codes?

I am having troubles with a task I added to the Windows Scheduler and now I am trying to debug it. It is returning status code 267011 (in Hex: 41303). Where can I find a complete reference describing ...
2
votes
1answer
1k views

Sun Grid Engine (SGE) / limiting simultaneous array job sub-tasks

I am installing a Sun Grid Engine environment and I have a scheduler limit that I can't quite figure out how to implement. My users will create array jobs that have hundreds of sub-tasks. I would ...