Questions tagged [resource-management]
The resource-management tag has no usage guidance.
82
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Set max file limit on a running process
I have a long running process that is eventually going to hit the max open file limit. I know how to change that after it fails, but is there a way to change that for the running process, from the ...
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2008 R2 Terminal Server: "Insufficient system resources exist to complete the requested service"
I'm working with an unhealthy Windows 2008 R2 Terminal Server configured in a vSphere environment. It currently has 4 vCPUs and 32GB RAM. No overcommitment.
The concurrent user count on this server ...
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5
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systemd, per-user cpu and/or memory limits
There is similar question: Cgroups, limit memory per user, but the solution doesn't work in "modern" systems, where cgroups hierarchy is
managed by systemd.
Straightforward solution — templating ...
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5
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I need to replace munin with something more scalable [closed]
I have used munin on multiple servers for many years with great success, however with more than 100 munin-nodes and when there is load on the clients, the processing is timing out.
I have made some ...
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How to view cgroups resource control heritage between parents and childs process
Taking for example this hierarchy from systemd-cgls:
└─user.slice
├─user-1000.slice
│ ├─[email protected]
│ │ └─init.scope
│ │ ├─3262 /lib/systemd/systemd --user
│ │ └─3263 (sd-pam)
...
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3
answers
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Is it possible to set up a default user quota for users in a specific group in Linux?
I'd like to be able to set up a default user quota for members of a group if they don't have a specific user quota defined. The idea is that by default, they'd have this standard quota but if a ...
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What should be done with excess computing resources after converting to thin clients?
I work part time for a small private school. The 24 node computer lab kept having hardware failures (mostly drives and cooling fans) so I turned it into a Linux based thin client network. Although the ...
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Limiting resource usage per user in Red Hat Linux
I need to limit CPU, memory and network bandwidth usage for a bulk of processes on per-user basis. User is in fact just logic grouping for several daemon processes and not real humans. So different ...
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1
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Terminal Server Freezing
I've only basic Windows Server knowledge and I've inherited responsibility for a Terminal Server installation with 20-30 concurrent users (Windows Server 2003).
There are intermittent problems with ...
user83664
3
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1
answer
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Oversubscribing virtual servers [closed]
I'm looking for a basic guide to get started with overscribing host hardware for my virtual machines. My basic scenario is below, but I'm not looking to address this particular case so much as general ...
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What is a good way to determine a server's connection usage?
Trying to figure out where my system's connections are being used (i.e. how many connections belong to what processes - could even be filtered by some expression through grep, if it applies). The ...
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1
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Open source software for resource management
I recently wrote some scientific software designed to be run from the command line, and am now working on creating a web front end for that software to make it more accessible to scientists who aren't ...
- 247
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2
answers
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ESX 3.5 Resource Groups
I'm a DBA and manage a vmware ESX 3.5 cluster that predominently hosts SQL Servers and a few application servers and I have a question about how to setup the resource groups, but I'm in conflict with ...
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How can one run a prologue script as root in gridengine?
In one of our compute clusters, we have systems with unique hardware resources to which access is controlled by device-file permissions. Each node has two or four of these, and multiple CPU cores. We'...
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Open Source Task Portal? [closed]
I apologize in advance if this is not an SF question, but I'm thinking it's in the gray.
Are there any good Open Source or atleast fair priced "intranet" project portals where you can have a ...
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Is it better to generate "UUID" and "TIMESTAMP" within the NodeJS application or using the database built-in functions?
I am writing a TypeScript-NodeJS application and want to handle object ids and created_at TIMESTAMP within the NodeJS application, instead of using MySQL or Cassandra built-in UUID or TIMESTAMP ...
- 407
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3
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Read-Only EAS access to an Exchange Room Mailbox?
We have conference rooms set up in Exchange to automatically accept meeting requests.
However, our users have iPhones, and there is not apparently any way for them to see whether a room is available ...
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1
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Automating scheduling and dispatch of compute jobs by different users
I'm going to set up a Linux server (probably CentOS) in a computer science department. The server will be used as a compute server, by people doing research on GPU computing, bioinformatics, or AI.
...
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1
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Transfer Azure resource group to different account
So I'm switching employers. On my visual studio subscription I have 130€ a month to burn, so I have an Azure VM running for free to try stuff.
By now I have a few things there I'd like to take with ...
- 171
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1
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Memory Utilization Best Practices
I'm running several Linux-based VMs (vApps, actually) that have varying amounts of memory assigned to them. Some have databases, some web servers, etc. While some are using less than 40% of their ...
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How to manage users and resources in a multiple server environment? [duplicate]
Possible Duplicate:
A system for distributing SSH public keys
Need help managing developer authentication on our system. We have multiple CentOS servers (database, Web, Redis, etc.), and it is ...
- 677
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0
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Can I limit wall clock time available for process on Solaris?
I would like (many) processes to be killed if still running after certain amount of time after execution. First I have thought that Solaris’ resource management is perfect tool for the job, as it ...
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Azure - Is it possible for global administrators to enforce per-subscription resource limits?
My company is moving all its internal production and development servers to Azure, and needs a way to delegate administration while at the same time keeping track of resource usage; thus, we are going ...
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Best VMWare Esxi CPU Resource Allocation Policy
We have a machine with an 88-core CPU in our department. Imagine there are 11 researchers who want to use the machine whenever they have to test a new approach. We've made 11 VMs on VMWare ESXI host, ...
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Unable to Start File Server Resource Manager on Windows Server 2008
I have a Windows Server 2008 (RTM) 32-bit box configured for File Services Role. I installed the File Server Resource Manager feature on the server. When I try to use the snap-in, it gives me the ...
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2
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How to track user dependency on services, resources, settings and defs? (for example to be able to email dependent users if these change)
Is there industry wisdom, management and software tools (free preferably) for recording and tracking which users depend on what services, resources, settings and definitions centrally administered by ...
- 471
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Understanding docker resource limitations
I got the following ressource limits in my docker engine:
4 CPUs
4096 MB Memory
2048 MB Swap
64 GB Disk size
The docker container are running with default resource distribution. Now I was ...
- 167
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1
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Linux: Limit CPU and memory consumption of a group of processes
On a modern Ubuntu Server machine we need to host about twenty web-applications. (More apps would be added later.)
Each application is a nginx virtual host, which talks to a group of identical long-...
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fork: Resource temporarily unavailable running JVM
I'm running a Tomcat 6 instance on a 34 GB EC2 instance. I've been struggling to keep the memory down but this thing services a lot of requests and the heap frequently gets up to 13 GB. But the heap ...
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Throttle or limit resources used by a user in a database?
I would like to know how databases (like MySQL) are able to manage per user resources (like Oracle Database Resource Manager does) to be able to have users that may only get resources only when the ...
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Setting up a hyper-v server for a small office and how to allocate its resources
Estimated machine specifications: Dual X5550 Xeon Processor, 2.66GHz 8M Cache, hyper threading (Core i7 architecture Xeon), 24GB 1333MHz ram,8x143gb 10K RPM SAS drives in hardware raid6 array with ...
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Single-node SLURM server: restrict interactive CPU usage
I have SLURM setup on a single node, which is also a 'login node'. I would like to restrict interactive CPU usage, e.g. outside the scheduling system.
I found the following article which suggests to ...
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Virtual Machine Isolation [closed]
I am not a sysadmin, but I'm curious about what goes on behind the scenes.
We have a virtual machine at work which my group logs into to do secure data processing. The OS is Windows Server 2008 R2;...
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Load times quick individually, very slow when put together
I'm running a standard debian apache2 web server.
Recently, I've noticed my load times slow down substantially. I've checked exactly which resources are taking a long time to load, and there are 2 or ...
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Understanding CPU Throttle
kernel /vmlinuz-2.6.32-379.22.1.lve1.2.17.el6.x86_64 ro root=UUID=7cb0b445-0f63-4ef1-ab73-93c114d8ef6c rd_NO_LUKS rd_NO_LVM LANG=en_US.UTF-8 rd_NO_MD SYSFONT=latarcyrheb-sun16 crashkernel=auto ...
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1
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Torque and maui node status
I am new for torque and maui.
I was checking for node state to looking for which nodes are free and which nodes are in use.
For torque one command is pbsnodes. Which gives status and other info ...
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2
answers
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Stop postfix from gobbling up resources during spammer dictionary attacks?
When a spammer uses his botnet of thousands of zombie PCs to spam at random nonexistent addresses @example.com, at a very high rate of speed, postfix exhausts our VPS provider's resource limits ...
- 171
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0
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Memory usage doesn't add up: most of the RAM gone mysteriously
I have a Fedora 30 [5.6.13-100.fc30.x86_64] machine with 32GB of RAM onboard.
Right after boot both free -h and htop indicate that 21-22GB is used:
[ andriim@dev-r-vrt-007 ~/work ] $ free -h
...
- 31
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How do you decouple storage and compute resources without losing the benefits of locally attached storage?
Services like DynamoDB (not specifically, but it was the first that came to mind) provide dynamic scaling on write/read capacity (i.e. compute) as well as storage capacity.
This means that you can ...
- 111
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2
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Correctly implement and test resource limitations for Apache/NGINX
I am assigned the task to limit the resources (Maximum memory usage and CPU weight) for Apache2 and nginx according to usage statistics, and test that limitation.
For resource limitations, I've ...
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Slurm not filtering sacct results by date
We're using Slurm as a resource manager on our Beowulf cluster, so I installed Slurm on my workstation to test out my scripts before I submit them to the cluster.
When I try to list old jobs on my ...
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Resource Monitor Showing Incorrect (?) CPU Usage for Services
Resource Monitor on my Windows Server 2012 R2 is showing high CPU usage for process oracle.exe (~75%). However, it also shows that CPU usage is divided among totally unrelated services.
Namely the ...
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Azure load balancer security group attached to NAT pools
I'm looking to lock down a set of Azure load balancer NAT rules to certain CIDR address ranges via network security groups, for the purpose of not directly exposing SSH/RDP ports to the internet. The ...
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0
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SLURM power saving features
For those who have used SLURM resource manager, have you used the power saving features to lower your cluster's energy usage?
Has anyone found that power saving lowered their electricity bills?
Did ...
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What is the equivalent command of "minikube start --memory 5120 --cpus=4" for "Kind"?
Here in Cassandra deployment instruction, it says:
Caution:
Minikube defaults to 2048MB of memory and 2 CPU. Running Minikube with
the default resource configuration results in insufficient resource
...
- 407
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What happens to OpenStack instances with over-committed memory where physical memory runs full?
I have got the impression that you can configure an OpenStack cluster to over-commit vCPUs and memory for KVM instances.
I suppose over-committing vCPUs is relatively harmless; I guess instances on a ...
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What is the ideal strategy for RAM consumption between applications deployed in same tomcat 7 container or in different tomcat 7 instances
I have been thinking about how to manage RAM between different 3 java webapps. I have blurred concepts in mind. Deploy all the web apps in the same tomcat7 instance or have 3 different instances of ...
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How do CPUShares work across parent and children cgroups?
Redhat has a great blog post describing CPUShares, but it assumes processes reside in leaf CGroups, and doesn't discuss how CPU time is calculated for processes that reside in branch CGroups.
For ...
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Re: Billing - are subscriptions on Azure like Droplets on DO?
I have four websites running on a single Linux VM on Azure. I want to deploy 4 (smaller) Linux VMs on Azure, and put each of these sites on one.
I would like them to be seperately billed, as they ...
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Managing Resource Usage Limits on Linux Computers
Hello everyone I am wondering if there is a nice administrative tool out there to limit user resource consumption in a Linux environment.
To give more detail about my issue, I am currently trying to ...
user371102