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Questions tagged [memory-usage]

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

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Free up memory in Windows Server 2019 for SQL Server instance?

We have Windows Server 2019 Standard (x64) with 64GB memory. The screenshot below shows the memory usage at 96% with the SQL Server Windows NT running and using 344.5 MB. This is the Task Manager ...
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Memory usage: big difference in `free -m` and htop as well calculation of used memory in htop compared from /proc/meminfo

I'm aware of this question https://stackoverflow.com/questions/41224738/how-to-calculate-system-memory-usage-from-proc-meminfo-like-htop Answer seems outdated regarding memory usage and this question ...
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Determine how many memory each process use - Windows

On a Windows 2019 server equiped with 24 GiB of memory, only about 1 GiB is free. But when I use Task Manager or Process Explorer, no process use more than some MiB. If I add the memory used by each ...
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how to reduce high memory usage in buff/cache? [duplicate]

I got 4 WordPress site running on a 2gb Debian server, but only two of them got traffics, totals around 800 to 1000 page view per day, but got high memory usage in buff/cache, more than 1gb. is it ...
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Nagios check_nt MEMUSAGE average

there is a method to check the memory (RAM) usage by the average in windows? (Like CPULOAD -l minutes)
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1 vote
0 answers
278 views

How can I see the memory content of nginx process?

Nginx 1.20.1 server working as a reverse proxy consuming a lot o memory and making the service stop requiring a system reboot. ModSecurity library is also configured on Nginx. You can see in the next ...
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2 answers
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MySQL "Cannot allocate memory for the buffer pool" at 73% memory usage?

I am hosting a WordPress website on a DigitalOcean droplet (1GB RAM). The website's MySQL database crashes occasionally, which causes the website to show "Error establishing database connection&...
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1 answer
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How does memory and memoryReservation work for Tasks running on EC2 ECS?

EC2 ECS lets you specify memory and memoryReservation for both ECS tasks and the containers running within those tasks. I understand that memory and memoryReservation on the container settings map to ...
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1 vote
1 answer
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Limiting ARC Size for the proposed system

I have a pool of 5 x enterprise 12Gps SSD that I use for internal storage for a proxmox server. This pool is used to stand up VMs and containers. The problem is that it is eating up a lot of my ...
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How to use sar to monitor cpu and memory usage over a period of time?

First, my top/htop shows that the uptime is: 23 days Then I do: ls -l /var/log/sa/ | wc -l 60 My first question is, is each file under /var/log/sa directtory storing utilization data for each day? ...
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How to duplicate iStat Menus memory usage from a shell?

I'm using MacOS 11.6. I've written a small cron job that measures memory usage of a process and, if that usage exceeds a threshold, pops up a notification on screen. (The point is to remind me when a ...
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1 answer
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PHP5 to PHP7 unexpected increase in memory usage inside container

Last week we updated several wordpress sites which are running Alpine Linux as containers inside a host (Ubuntu 20.04) through LXD. A summary of the update is as follows: Alpine Linux v3.8 -> 3.14 ...
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1 vote
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apache httpd using a lot of RAM memory and producing spikes in short time intervals

I have a problem with one of my servers. Web server works well in 'normal' time period but one or two times per day there are spikes in RAM memory usage. I put the Zabbix monitoring tool there, and ...
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-1 votes
1 answer
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Obtaining the CPU L2 shared memory percentual of usage on Linux machine

On Linux based systems, how can I estimate or maybe read the CPU L2 shared memory % of usage?
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1 vote
1 answer
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What does buffered, cached, free, slab and used mean when monitoring memory use on GKE?

I am running some compute nodes on GKE and when I look on their memory usage in metrics explorer I see: It is clear to me what used and free mean. But how about the other states? The official ...
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Why a process allocated many non-huge-page memory using library jemalloc when the transparent huge page has been enabled?

I've enable transparent huge page in a process which uses jemalloc for memory allocation, by following steps: setting transparent huge page state to "madvice" : echo madvise > /sys/...
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334 views

My Ubuntu 20.04 server is using A LOT of memory

I run a web-app on this server, and I run node.js programs with Elasticsearch. My server has 16GB of memory, but it constantly uses over 15GB at all times. I know that I can limit my Elasticsearch ...
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Show guest memory utilisation in vCenter

Is it possible to record and show the amount of memory that a Windows guest OS is using in vCenter? In this blog post VMware recommends using the guest OS memory counter for capacity planning. However,...
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-3 votes
1 answer
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Is there a program to diagnose and summarize why my mchine is slow? [closed]

Is there a program that will tell me why my server is slow? What is being over utilized? CPU / Memory / Disk / Network ... and what processes are driving that utilization? I want a program that can ...
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Benchmark script performance against CPU/RAM consumption for different parameters

I have an image processing shell script that can be provided with different sets of parameters that all produce a valid output for me. I'm trying to identity the set of parameters that has the lowest ...
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1 vote
0 answers
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Assigning CPU and MEM usage variables in PBS/TORQUE

I asked this question at meta.stackoverflow.com; they said it was the wrong forum I am using the FALCON assembler (for genomes by PacBio; https://github.com/PacificBiosciences/pb-assembly) and it's ...
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2 answers
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Why cannot use buff/cache?

It seems mysqld allocates too much memory as buff/cache: free -m total used free shared buff/cache available Mem: 990 448 96 36 ...
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0 answers
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ASP.NET Core 2.0 Application Restart - Memory Usage

I have an ASP.NET Core 2.0 (NopCommerce 4.0) application on IIS v.1607 When my process arrives at (approximately) 1300MB of memory, the web site stops responding, and after some minutes the ...
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2 votes
2 answers
982 views

MariaDB memory spikes and crash

We are running a MariaDB 10.5.8 server on GKE with 16Gb of RAM. The server have multiple times a day unexpected memory usage spikes that crash the server 1day memory usage graph (orange line is k8s ...
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Why apache2 ocuppied too many memory and took a long time to release the memory?

I have installed ubuntu 16.04 with 16GB Memory and 8 CPU. When I start an apache program, it occupied lots of Memory and took long time to release. For example, start the program first time, the ...
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3 votes
0 answers
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What is using (kernel) memory?

I know this kind of questions about memory usage have been asked several times, but unfortunately none seem to answer our current problem. We are currently running an AWS EC2 instance with the ...
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1 vote
2 answers
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Mysql filling all the buff/cache memory

The more time the server run, the more buff/cache Mysql processes use, i'm at 95% right now and only a server reboot free the buff/cache memory. None of the mysql commands free it on the go. Is it a ...
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Messagebus is using more than 4 GB RAM

I have just checked my Server and it is running relativly low on RAM. There are currently no users on anyone of the Services Installed (Jitsi, Rocket.Chat, OnlyOffice Workspace) as they're all still ...
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1 vote
1 answer
441 views

Memory used but not reported on Linux

I have 2 servers running the same applications, but one is miss-reporting memory by around 400mb (out of 1GB) and I cannot figure out where that memory is being used. I've compared the output of /proc/...
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-1 votes
1 answer
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Server memory slowly increasing linerarly over time

I am running an Ubuntu 14.04 LTS server with a number of processes on it, mostly Apache and MySQL to support some small websites and projects I am hosting. However, over the past two months I have ...
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0 votes
1 answer
260 views

Monitoring swap usage of cgroup

I have a bunch of .NET Core applications running as systemd units. The host is running out of memory and slowly increasing swap usage to 100% so I suspect one or more of the services has a memory leak....
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1 answer
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How do I track down a mysql memory issue on a server running a single WordPress site?

I'm having a weird issue. A few times a week, a website I'm running on Amazon Lightsail comes to a crashing halt and becomes IO bound (I can't usually use ssh when this happens) and the server runs ...
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-1 votes
1 answer
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What is the best mysql configuration for mysql instance with a lot of databases and lot of tables inside?

I have a mysql database instance with more than 3000 database inside. Each database contains more than 200 tables. I have more than 100 gb of data in all these database at present. I am using windows ...
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1 vote
1 answer
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Why does "ipcs -m" only show one process?

I want to find out how the shared memory is used between the different processes running on a server and got the impression that the "ipcs -m" command can be used for this purpose. So when I ...
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1 vote
2 answers
611 views

High IO rate when system out of memory

I found that when the system goes out of memory, the disk IO usage will be very high. It seems many processes are reading from hard disk frantically (check htop output below). When I kill a process ...
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1 vote
0 answers
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Libvirt VM using twice it's memory

Running on Ubuntu server, a CentOS 7 VM is eating the memory : Host: # free -m total used free shared buff/cache available Mem: 80140 71676 ...
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1 vote
0 answers
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Win Server 2019 Hypervisor, VMs show high ram usage, Hypervisor doesnt?

Im having a really weird issue with my server, never had it before. Hypervisor is running Win 2019, VMs are mixed 2012r2 and win 10. Im running about 10 VMs on 128gb ram, vms inside show ~90% ram ...
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0 votes
2 answers
726 views

Dell PowerEdge T-620 - Choosing Memory Modes in the BIOS

I'm trying to configure the Memory Mode, in the BIOS, of a Dell PowerEdge T620 with dual processors: Owner's Manual | Technical Guide The system has 384GB of DDR3 LRDIMM Memory and I'm able to choose ...
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How can I find what is using all of the server memory and record a log of it for analysis afterwards?

I am running Windows 2016 Server on IBM Cloud. Today the server crashed as in it became unresponsive and the websites stopped responding as well as the Microsoft SQL Database server instance. Normally ...
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0 votes
1 answer
66 views

VPS's memory consumption [duplicate]

I have a VPS with ubuntu 18.04.4 with 2gb and 512mb swap. Working regularly with 600-800mb and 100mb swap and all is well. 2 weeks ago I updated the WAR (tomcat) and the memory jumped to 1.2gb and 400-...
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2 votes
4 answers
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MariaDB memory use rises beyond configured size

I noticed a steady increase in system memory use %age (as reported by sar) which I've tracked to MariaDB. It's does not seem to be related to db load: this increase is notmatched by an increasing ...
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-2 votes
1 answer
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I need to run multiple processes at once, which server should I use [duplicate]

I bough droplet on DigitalOcean 1GB and 1CPU. I'm running cronjob there. Currently I'm able to run 30 background tasks(processes) at once, once I go up server cannot handle that much. Those ...
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1 vote
0 answers
142 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 ...
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1 vote
0 answers
548 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 ...
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671 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 ...
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2 votes
1 answer
574 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 ...
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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: ...
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2 votes
2 answers
700 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 ...
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1 vote
1 answer
279 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 ...
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451 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 ...
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