Questions tagged [resource-management]
The resource-management tag has no usage guidance.
86 questions
0
votes
0
answers
30
views
Systemd CPUQuota is not working after sudo interactive login
The problem is similar to this one, but there are 2 nuances.
If I switch to user with sudo -u testuser -i then load CPU using stress utility, CPUQuota doesn't take effect.
If I login via SSH as a ...
- 100
4
votes
2
answers
477
views
Preventing user application from using all memory
We have Windows Server 2022 physical machines configured as terminal servers, where users log in and run applications, including finite elements computations. Depending on what the users do, they can ...
- 1,793
1
vote
1
answer
267
views
Systemd CPUQuota for User Slice not working
I have a debian server, where I have placed the following limits in /etc/systemd/system/user-.slice.d/50-CPUQuota.conf
[Slice]
CPUQuota=600%
MemoryLimit=50G
The memory limits work perfectly for a ...
- 21
0
votes
1
answer
250
views
Memory & CPU Utilization drastically different for AKS
I am planning to use Descheduler in my AKS deployment to balance memory consumption of AKS nodes. My current output of kubectl top nodes is:
NAME CPU(cores) CPU% ...
- 13
0
votes
1
answer
537
views
Systemd CGroups - where are logs for exceeding resource limits?
By default systemd assigns resource limits through CGroups like TaskMax, here's a example of this:
$ systemctl status sshd
● sshd.service - OpenSSH Daemon
Loaded: loaded (/usr/lib/systemd/system/...
- 101
2
votes
1
answer
670
views
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 ...
- 437
0
votes
1
answer
766
views
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 ...
0
votes
0
answers
784
views
Drawbacks of keeping outbound connections open with long timeout values
Keeping connections open obviously consumes resources even though they're just TCP connections sitting there, waiting response.
It is also obvious that they don't consume as much compared to, say, a ...
- 103
0
votes
2
answers
4k
views
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
...
- 437
-1
votes
1
answer
142
views
Trouble deleting ResourceMoverRG
Im trying to delete this and it just sits there running. I dont know what to do as this is a student account and if it doesn't delete, i could use up my entire allotment. Is there anything i can do?
...
0
votes
1
answer
953
views
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 ...
- 111
0
votes
0
answers
91
views
Using systemd-run To Limit I/O on cPanel for Grep Command
When I run the grep command on Linux on my cPanel-based shared hosting account, I hit an I/O resource limit, it says on the cPanel. I tried to research how to limit resources on a command that I run ...
- 1,538
0
votes
0
answers
31
views
Is there a major difference between either CPU, RAM or Storage capacity needs for the leader or contributor nodes in a production K8S cluster? [duplicate]
I have already allocated 3 VPS for an initial multiple timezone cluster.
12 single-core vCPUs
≈50 GB RAM
≈1TB SSD storage
1 EST,1 CST,& 1 PST
Before I jump in however, I would like to know if ...
0
votes
1
answer
238
views
VM Instance Resource Allocation in GCP Console
We are trying to teach GCP services for college students. So, I have created the VM instance in particular project. We need to know how to manage resource allocation for every user in GCP console.
...
google-compute-engine
0
votes
1
answer
88
views
How to check if deleting Deployment will fail because of another resource without actually deleting it?
Deleting deployment will fail if there's the resource in Deployment is used by another custom resource. I.e. Newly created Firewall linked to VPC deployment will prevent the deployment deletion ...
1
vote
0
answers
717
views
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
-1
votes
1
answer
58
views
How to manage hardware resources efficiently in a cloud gaming service?
I am creating this small cloud gaming service (GeforceNow wannabe) which is powered by windows 10 Pro and VMWware. All other aspect of it is taken care of, Like streaming and data compression and etc. ...
- 109
1
vote
1
answer
851
views
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 ...
- 414
2
votes
1
answer
108
views
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.
...
- 123
0
votes
0
answers
412
views
Managing Windows application max CPU and memory
Good day. I have an RDS server (VMware VM) that we use for data analytics tools. These tools are memory and CPU hogs. I understand that there was a Resource Manager built into Windows 2008 R2. We are ...
- 21
1
vote
1
answer
204
views
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 ...
- 187
1
vote
0
answers
74
views
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
0
votes
1
answer
423
views
How to configure Kerberos authentication on the browsers which are on CITRIX page?
We are connecting to our secure client network via CITRIX. We are using chrome to open all quick links. like ambari etc. They open and we are good there, but other useful links like RM and HISTORY ...
- 103
2
votes
1
answer
848
views
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
1
vote
2
answers
327
views
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 ...
- 61
1
vote
1
answer
47
views
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;...
- 111
0
votes
1
answer
176
views
Reserve Host Calculation Hyper-V Windows 2012 (Not R2)
http://www.aidanfinn.com/?p=19043
How do you calculate reserve for host to run smoothly ? is really like the website ?
so if i have 768 GB RAM then i can use 750 GB just for VM and run smoothly at ...
0
votes
1
answer
53
views
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 ...
- 145
16
votes
5
answers
17k
views
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 ...
- 331
1
vote
1
answer
828
views
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, ...
- 288
1
vote
0
answers
160
views
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 ...
- 1,664
0
votes
1
answer
328
views
Solaris Nags About "process.max-stack-size" while running "Java Processes"
I have a server running Solaris 10. It reports using 10% of total memory using prstat. I 've ran process using Java 1.7.0_80 in 64-bit mode.
The problem is that System always nags about process.max-...
- 11
0
votes
1
answer
1k
views
Limit ClamAV resources on scan or alternative solution
Environment
Centos 6
Cpanel
32GB Ram
512gb SSD drive / about half used
Took on managing a server and installed ClamAV. Used CRON to schedule a scan @ 1am. I notice that sites on the host stopped ...
- 91
0
votes
3
answers
611
views
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
1
vote
0
answers
358
views
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 ...
- 111
6
votes
0
answers
2k
views
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)
...
- 812
1
vote
1
answer
819
views
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 ...
0
votes
0
answers
2k
views
Alternative to Windows System Resource Manager in Server 2012
Windows System Resource Manager lets one limit the maximum resources used by a process. This is important as I am running a fleet of Remote Desktop Service Session Host computers, and some users have ...
- 367
2
votes
0
answers
107
views
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 ...
- 121
1
vote
0
answers
186
views
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 ...
- 11
0
votes
0
answers
45
views
Adding more resources for an in house app service when started?
background:
Have a in house app that does heavy video encoding. The service fails from time to time as you can imagine.
I have a windows task that will restart the service every 4 hours. However ...
- 329
-2
votes
3
answers
6k
views
Windows Server 2012 R2, having unexpectedly low disk performance or fault [closed]
We're a student association which have purchased an dedicated server to host game servers and similar. The server seems to experience occasional Disk-I/O bottlenecks. This is especially true when ...
- 5
2
votes
1
answer
1k
views
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 ...
- 123
0
votes
0
answers
57
views
Allocating percent resources for all robots
As many who posted here, my apache server is getting brutally hammerred to near death by robots, most of which are good robots.
There is no way to change their crawl rate.
Anyone have a suggestion ...
- 101
2
votes
1
answer
260
views
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 ...
- 72.3k
0
votes
0
answers
72
views
Postgres 9.3 on Linux - Resource utilization - Multiple vs one service services
I'm consolidating multiple Linux boxes running Postgres into one box.
Given the way Postgres handles resource utilization, would one single server service handling all the databases provide a much ...
0
votes
1
answer
130
views
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 ...
- 609
21
votes
6
answers
49k
views
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 ...
- 200k
0
votes
1
answer
415
views
CloudLinux equivalent for Windows
Is there any configuration or software solutions that would provide similar resource throttling per user like CloudLinux does for Linux? We currently run game servers on Windows 2008 OS and the major ...
- 660
1
vote
1
answer
88
views
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 ...
- 111