Questions tagged [memory-usage]

The amount of memory required by a program or the system for a specific task.

Filter by
Sorted by
Tagged with
1
vote
0answers
24 views

Guest machine using all the RAM allocated to it on server [duplicate]

I have a server that has KVM installed on it. this server I have created for testing purposes. server's configuration : OS: CentOS 7 Space: 60GB RAM: 2GB I created one Windows VM on this server with ...
0
votes
0answers
12 views

Can we use PMAP to check total shared RSS memory by multiple process?

I am trying to calculate the memory footprint of docker container processes. I started 3 containers by executing docker run -d -t ubuntu:eoan Each container is assigned with one containerd-shim ...
0
votes
0answers
23 views

Jenkins not running - OOM

without any noticeable change on my server (Ubuntu 16.04.1) my Jenkins stops working approximately every couple of hours. When I checked logs from Jenkins, there is nothing related. Then I checked ...
1
vote
0answers
25 views

High Usage of Non Paged Memory on Windows Server 2016

Good day, I have been trying to troubleshoot a high non paged memory error from Solarwinds Remote Monitoring Management software it reports 664mb non paged usage on the Host OS and 145mb non paged ...
0
votes
0answers
39 views

Out of memory in Linux server killing my tomcat server

From last night I am getting below unexpected behaviour. Out of memory: Kill process 1740 (java) score 128 or sacrifice child Apr 8 19:14:20 ubuntu-s-4vcpu-8gb-sgp1-01 kernel: [17644.393549] Out of ...
1
vote
1answer
76 views

Committed/Allocated memory in Linux is less than used memory. How is that possible?

So I have a system with linux kernel 4.14.73 in which I am using values from /proc/meminfo in an program that shows the system specs including memory used and memory reserved. All was well until I saw ...
0
votes
0answers
31 views

Is 6% CPU & >180 MB RAM usage normal for exim4 on Debian 10?

I just (attempted to) set up exim4 on Debian 10. Is the above normal for exim4 running under root when I run sudo systemctl restart exim4.service? Seems a bit high for an MTA. I have root: ...
1
vote
2answers
47 views

Query peak GPU memory used by finished job

I have a SLURM job I submit with sbatch, such as sbatch --gres gpu:Tesla-V100:1 job.sh job.sh trains a model on a V100 GPU. The code itself does not log GPU memory usage. Is there a SLURM command ...
0
votes
0answers
10 views

Processing required to write multiple images every second [duplicate]

I am developing an application in Ubuntu which needs to read a video and save the frames as jpg(1920x1080) images - around 30 frames per second. How much processing does writing images take up and how ...
1
vote
1answer
40 views

Windows server with less than 1% free memory

We have a SAP installation running the main server with 35GB ram and the app server running with 65GB ram. From the operational system perspective the main server has a fixed allocation of 31GB ram ...
0
votes
0answers
18 views

packages-microsoft-com-prod, takes up all memory when trying to install

I am trying to install powershell on CentoOS 8. I follow the official Microsoft instructions. I had some previous issue. I rented a nanode from Linode which is the smallest model. I get memory ...
0
votes
0answers
85 views

Linux - ARM - page allocation failure:

I received the following error: ip: page allocation failure: order:10, mode:0x140c0c0(GFP_KERNEL|__GFP_COMP|__GFP_ZERO), nodemask=(null) . . . lowmem_reserve[]: 0 0 0 Normal: 1509*4kB (UEH) ...
0
votes
0answers
119 views

mysql taking too much disk space in windows

I would like to know how MySQL uses disk space. Consider the following scenario. I tried to import a large mysqldump (1.6 GB) using the command mysql -u root dbname < mydump.sql. But the import ...
0
votes
0answers
166 views

Is there a way to restart SYSTEMD services when they are reach their CpuQuota or MemoryHigh limits?

The problem is about the systemd services. I know we can limit the Memory Usage or Cpu usage of services but my question is that is there a way to restart service when it reaches to its Memory high ...
0
votes
1answer
48 views

Dedicated server “out of RAM” while monitoring tool show RAM at 50%

I have this dedicated server at OVH with 64gb RAM running several docker containers. In the last month, it has started to hang unexpectedly; Monitoring tool shows memory & cpu usage at barely 50%...
0
votes
1answer
60 views

How to accurately gauge memory usage in Elastic Beanstalk/EC2 server?

I have an elastic beanstalk environment running a nodejs server. I'm trying to gauge memory usage to determine which instance type is most appropriate, and how much memory we actually need. To do so, ...
1
vote
0answers
396 views

journald memory usage on CentOS 7

I have an AWS EC2 instance running a CentOS 7.7.1908 (systemd 219) with a server application. The server logs quite a lot of information to the system logs (using syslog). I have recently enabled ...
0
votes
0answers
54 views

I am getting error on Cloudflare 522 connection timed out

I have VPS with 2GB RAM, and hosted only one website. VPS has apache and MySQL. I am facing an error in random requests. The error starts only before few days. Please see the error Image Here I ...
0
votes
1answer
244 views

Linux: drop caches do not free buffers/cache - why?

Since I've found discussion of buffers/cache on that site, not Unix of SE, I post my question here. I've read In Linux, what is the difference between "buffers" and "cache" ...
0
votes
0answers
48 views

Is there a way to find out how much RAM ZFS snapshots are using?

We want to keep quite regular (5 minute) snapshots of certain zvols. But are also concerned about how long we should be keeping them and how much memory they use. Is there a way to check how much ...
1
vote
1answer
53 views

Production-ready Node/React app - memory utilization issues

I have an app that is deployed on AWS using ECS and recently facing some issues with memory utilization. To give you a little background: Our app is Node.js (specifically Sails.js) backend with ...
0
votes
0answers
17 views

Ubuntu/Centos Application Total Resource Measurement Usage Summary Report for CPU, Memory, IO

When I develop an application and want to optimize it I need a feedback about the resources it used in total to perform a task. I use currently top and just look at the percentage of for example CPU ...
1
vote
0answers
228 views

php-fpm using more memory than mod_php

I recently moved a PHP5 application from Apache 2.4 + mod_php to Apache 2.4 + php-fpm. Apache is configured to proxy all *.php requests to php-fpm over Unix Domain Sockets. The application required ...
1
vote
1answer
89 views

Long TCPDUMP capture taking slowly but surely all available memory in RAM

When I tcpdump the network traffic on my ubuntu server, I see the free memory decreasing with time. It seems that the captures are stored in memory. At first, I noticed the problem because i was ...
2
votes
1answer
174 views

CoreOS high RAM usage for tmpfs

I'm using the latest CoreOS AMI (ami-0fc25a0b6bd986d03 details) on a small t2.nano instance. This instance only has 500MB of memory. Unfortunately, CoreOS immediately consumes ~240MB for a tmpfs, ...
2
votes
1answer
102 views

What's the difference between ipcs -lm and cat /sys/proc/kernel/xxxx

I tried ipcs -lm ------ Shared Memory Limits -------- max number of segments = 4096 max seg size (kbytes) = 67108864 max total shared memory (kbytes) = 34359738368 min seg size (bytes) = 1 and cat ...
0
votes
1answer
1k views

IIS Application Pool taking too much memory

We have IIS running on two servers (IIS8 and 10), and encounter very high memory usage of our ASP.NET WebForms Applications lately, mostly accessed through aspx pages. What happens is that over time, ...
0
votes
0answers
26 views

VPS hangs from time to time

I have a vps that is runing linux and periodically it completelly hangs (you cant access any website or connect via ssh). I've checked with support and they mentioned that it consumes more memory than ...
0
votes
1answer
104 views

Making sense of Docker and Kubernetes memory usage

I'm running a small Kubernetes cluster with one master and two worker nodes. I'm trying to understand its memory usage and whether I've exhausted the resources... And if so, how I should detect that ...
0
votes
1answer
61 views

What is filling my file system on EC2

On my EC2 AMI instance I have an issue that it gets out of memory now and then. And I don't know how to find what is causing it... If I do $ sudo df -h I can see that this takes up all my memory (...
0
votes
2answers
306 views

How does Linux kernel decide when to free pages allocated via mmap?

I have an application that mmaps a large read-only data structure into memory and reads parts of it. After some time, around 1 GB of physical memory is filled with pages loaded from this data ...
-1
votes
1answer
263 views

Why can't I release memory cache by /proc/sys/vm/drop_caches

Today I found my server only have few free memory. and I executed free -h, it shows there are 60G memory used by cache. So I execute command to release cache, the result like this: $ free -h; sudo ...
0
votes
1answer
151 views

How to get MySQL resource usage per user

I want to know is there anyway to get CPU usage per user in MySQL? for example I have 3 different users 'user1', 'user2' and 'user3'. I want to get the average/real time memory usage and CPU usage of ...
1
vote
1answer
387 views

docker stats memory lower than top's rss

I created a container, in which I've created ~10 processes. I want to analyze how much memory they're consuming. To achieve that, I ran top inside the container, and docker stats outside. In top, I ...
1
vote
0answers
184 views

Linux out of memory killer kills process when there is more than enough memory available

We are running a 64-Bit Ubuntu and our 32GB of physical memory is split into 3 zones (DMA: 16MB, DMA32: 4GB and Normal: 30GB). According to the dmesg logs printed below our system ran out of free ...
1
vote
1answer
589 views

Releasing zfs arc memory on FreeBSD

I have a machine running FreeBSD that is subject to a variety of workloads, rabging from Disk intensive to memory intensive. If large amounts of ZFS data are accessed, then the Wired Memory usage can ...
1
vote
0answers
188 views

too much apache processes running and consume memory

I've an instance of type c5d.xlarge on aws with centos 7 with 8GB of RAM. I'm running a magento storefront on it. Magento version is 2.7.1 . Now the problem is the memory usage is 74% and it gets out ...
1
vote
0answers
42 views

Profiling CPU, memory, networking performance and generating reports

Background I have a performance-intensive (i.e. consumes a lot of CPU cycles, memory, and network resources) application. Multiple instances of this application, along with some third-party vendor-...
0
votes
1answer
28 views

How to view memory usage of containers after reboot?

I have Docker containers running on my Ubuntu machine. Every so often (couple weeks) it becomes completely unresponsive. I suspect it's a memory leak issue with one of the containers. How can I view ...
1
vote
1answer
1k views

EC2, Tomcat, Amazon Linux and Out of memory

I use AWS Elastic Beanstalk to run my application on Tomcat 8.5 with Java 8 running on 64bit Amazon Linux. I use t3.small which according to specification has 2vCPI and 2.0 GB of memory. My ...
0
votes
2answers
1k views

Elastic Search using a lot of memory despite low heap size

We have configured Elastic Search JVM options /etc/elasticsearch/jvm.options to use a fixed heap size of -Xms512m -Xmx512m This can be confirmed as working when checking the Elastic Search process: ...
1
vote
3answers
134 views

How to deal with out of memory issues on multi user systems?

When a process tries to allocate more memory than available, it is usually very hard to handle this situation in a good way. In some cases programs might be able to free non-essential memory (e.g. ...
2
votes
2answers
4k views

Why is MemAvailable a lot less than MemFree+Buffers+Cached?

I'm running a Linux workstation without swap and I have installed earlyoom daemon to automatically kill some processes if I'm running out of RAM. The earlyoom works by monitoring kernel MemAvailable ...
0
votes
1answer
994 views

AWS High Memory Usage. How to detect the cause?

I'm using Amazon EC2 instance t2.small. And the memory usage is always increasing up to > 90% usage. Memory usage > 90 % $ free -m total used free shared buffers ...
4
votes
2answers
180 views

Out of memory at 18% usage : where the ram goes?

This is related to : Out of memory at 72% usage It looks to be the same problem but the question is slightly different : Where my memory goes ? I have 18% memory usage and my OOM Killer is killing ...
0
votes
1answer
34 views

How can I predict whether or not memory will bottleneck a CPU

My question is general, though I have a specific example. My question is this: How can I predict whether a powerful CPU will be fully exploited in a scenario with memory that is (relatively) low? My ...
1
vote
0answers
552 views

MySQL's innodb_buffer_pool_size doesn't seem to have any effect on RAM usage

(I have checked similar questions, none of them cover my situation) I'm trying to increase MySQL 5.7 memory usage on my Ubuntu 16.04. Before my changes mysqld was using about 8% of RAM out of 8GB ...
3
votes
1answer
1k views

php memory_limit vs kubernetes resource memory limit

I'm new to Kubernetes and I'm trying to figure out what resource limits I should set for my php webapp. My first guess is that if I have configured php fpm to use a maximum of 256M of memory then ...
1
vote
0answers
265 views

`systemctl show` outputs incorrect MemoryCurrent value

on one box, systemctl show get an incorrect value for unit memory usage: $ systemctl show crond | grep MemoryCurrent MemoryCurrent=18446744073709551615 18446744073709551615 == UINT64_MAX, this must ...
0
votes
0answers
408 views

Swap unused, high memory usage and swappiness at 100

I'm running a server with a number of game servers on it. My memory usage is very high, however there is almost no swap usage in comparison. My swappiness is set to 100 total ...

1
2 3 4 5
11