Linux Out-of-memory Killer
The OOM Killer is the Linux kernel's built in mechanism for protecting a machine from using up all memory.
Questions tagged [oom]
100 questions
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Out of Memory Mismatch compared to what system rerports
Oct 25 07:41:32 KVM-BOX kernel: memory: usage 255216608kB, limit 255216640kB, failcnt 28058
[root@KVM-BOX ~]# free -hm
total used free shared buff/cache available
Mem: 282G 203G 78G …
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mariadb oom-killer on CentOS8 in EC2 t2.micro instance
I seem to be having memory problems in my t2.micro instance (1GB) running nginx, mariadb, php and WordPress.
I can see that mariadb.service is being killed regularly (I have used grep -e kill /var/log/messages sample output below). As you can see…
dtw
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RHEL 8. linux OOM killer invoked to kill postgres process
Database is going to recovery mode whenever the OOM killer is invoked on the postgres process.
/var/log/messages output with respect to the…
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Daily Apt Upgrade causing oom-killer to kill my java server
My server has died several times in the middle of the night because of this. How much memory is apt-upgrade asking for? Is it being reasonable? I'm trying to decipher the logs here. Any help or advice appreciated!
Amazon EC2 server with 1GB of…
satnam
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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 36 445 326
Swap: 511 …
William
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When the kernel says "Out of memory: Killed proces..." does it mean real memory or virtual memory?
Looking at journal -xe for the reason(s) a process is killed, the message comes up in red "Out of memory: Killed process..." but it doesn't say whether the limiting resource is virtual memory or is real memory.
Which does it mean and why doesn't it…
James Bowery
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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 out of memory. It's a lightly trafficked site with…
StevieD
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Kubernetes Pod OOMKilled Issue
The scenario is we run some web sites based on an nginx image in kubernetes cluster. When we had our cluster setup with nodes of 2cores and 4GB RAM each. The pods had the following configurations, cpu: 40m and memory: 100MiB. Later, we upgraded our…
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Kill the most memory-hungry process when memory gets low
Sometimes my Linux desktop, laptop, or server run out of RAM because the experimental software I work with occasionally tries to use more RAM than I have available.
When this happens, the system and console hangs for several minutes while Linux…
Vortico
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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 memory: Kill process 1740 (java) score 128 or…
Md. Sajedul Karim
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