Details
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Improvement
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Status: Open
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Minor
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Resolution: Unresolved
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None
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None
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None
Description
like the ability to adjust the size of the shared memory device just like this can be performed on docker.
For example: To be able to change this on docker you can specify how much space you would like to allocate as a parameter in the app definition in marathon.
"parameters": [ { "key": "shm-size", "value": "256mb" }
As you can see below, here is an example of a container running and how much space is available on disk reflecting this change.
Modified Parameter Container:
{
"id": "/ubuntu-withshm",
"cmd": "sleep 10000000\n",
"cpus": 1,
"mem": 128,
"disk": 0,
"instances": 1,
"container": {
"type": "DOCKER",
"volumes": [],
"docker": {
"image": "ubuntu",
"network": "HOST",
"privileged": false,
"parameters": [
{
"key": "shm-size",
"value": "256mb"
}
],
"forcePullImage": false
}
},
"portDefinitions": [
{
"port": 10005,
"protocol": "tcp",
"labels": {}
}
]
}
Modified Parameter Container:
core@ip-10-0-0-19 ~ $ docker exec -it a818cf2277a5 bash root@ip-10-0-0-19:/# df -h Filesystem Size Used Avail Use% Mounted on overlay 37G 2.0G 33G 6% / tmpfs 7.4G 0 7.4G 0% /dev tmpfs 7.4G 0 7.4G 0% /sys/fs/cgroup /dev/xvdb 37G 2.0G 33G 6% /etc/hostname shm 256M 0 256M 0% /dev/shm
Standard Container:
{
"id": "/ubuntu-withoutshm",
"cmd": "sleep 100000000",
"cpus": 1,
"mem": 128,
"disk": 0,
"instances": 1,
"container": {
"type": "DOCKER",
"volumes": [],
"docker": {
"image": "ubuntu",
"network": "HOST",
"privileged": false,
"parameters": [],
"forcePullImage": false
}
},
"portDefinitions": [
{
"port": 10006,
"protocol": "tcp",
"labels": {}
}
]
}
Standard Container:
root@ip-10-0-0-19:/# exit exit core@ip-10-0-0-19 ~ $ docker exec -it c85433062e78 bash root@ip-10-0-0-19:/# df -h Filesystem Size Used Avail Use% Mounted on overlay 37G 2.0G 33G 6% / tmpfs 7.4G 0 7.4G 0% /dev tmpfs 7.4G 0 7.4G 0% /sys/fs/cgroup /dev/xvdb 37G 2.0G 33G 6% /etc/hostname shm 64M 0 64M 0% /dev/shm
How can this be done on mesos containerizer?
Attachments
Issue Links
- is superceded by
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MESOS-9788 Configurable IPC namespace and shared memory in `namespaces/ipc` isolator
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- Resolved
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