Re: [systemd-devel] Questions about systemd's "root storage daemon" concept

2021-01-25 Thread Martin Wilck
On Mon, 2021-01-25 at 18:33 +0100, Lennart Poettering wrote: > > Consider using IgnoreOnIsolate=. > I fail to make this work. Installed this to the initrd (note the ExecStop "command"): [Unit] Description=NVMe Event Monitor for Automatical Subsystem Connection Documentation=man:nvme-monitor(1)

Re: [systemd-devel] Questions about systemd's "root storage daemon" concept

2021-01-25 Thread Martin Wilck
On Mon, 2021-01-25 at 18:33 +0100, Lennart Poettering wrote: > On Sa, 23.01.21 02:44, Martin Wilck (mwi...@suse.com) wrote: > > > Hi > > > > I'm experimenting with systemd's root storage daemon concept > > (https://systemd.io/ROOT_STORAGE_DAEMONS/). > > > > I'm starting my daemon from a service

Re: [systemd-devel] Questions about systemd's "root storage daemon" concept

2021-01-25 Thread Lennart Poettering
On Sa, 23.01.21 02:44, Martin Wilck (mwi...@suse.com) wrote: > Hi > > I'm experimenting with systemd's root storage daemon concept > (https://systemd.io/ROOT_STORAGE_DAEMONS/). > > I'm starting my daemon from a service unit in the initrd, and > I set argv[0][0] to '@', as suggested in the text. >

Re: [systemd-devel] Why systemd-nspawn is slower than docker, podman and qemu?! how to Improve nspawn performance?

2021-01-25 Thread Greg KH
On Mon, Jan 25, 2021 at 11:56:09AM +0100, Badr Elmers wrote: > Hi, > Why nspawn is slow compared to docker podman and even qemu?! > CPU tasks take twice of the time it takes in docker, podman or qemu > > here I filled a request to improve nspawn performance which contain the > steps and the full

Re: [systemd-devel] Why systemd-nspawn is slower than docker, podman and qemu?! how to Improve nspawn performance?

2021-01-25 Thread Reindl Harald
there is a difference between theoretical academic benchmarks and real world load - if your workload isn't affected it's pointless Am 25.01.21 um 14:00 schrieb Badr Elmers: Tomasz Torcz In fact I m just comparing containers, I have no need yet for context switch, but I hope to

Re: [systemd-devel] Why systemd-nspawn is slower than docker, podman and qemu?! how to Improve nspawn performance?

2021-01-25 Thread Badr Elmers
Tomasz Torcz In fact I m just comparing containers, I have no need yet for context switch, but I hope to understand why nspawn is slower and if there is something I can do to improve it, for example disabling spectre/meltdown mitigations improved nspawn a lot, so I was wondering if there is

Re: [systemd-devel] Why systemd-nspawn is slower than docker, podman and qemu?! how to Improve nspawn performance?

2021-01-25 Thread Mantas Mikulėnas
On Mon, Jan 25, 2021, 12:56 Badr Elmers wrote: > Hi, > Why nspawn is slow compared to docker podman and even qemu?! > CPU tasks take twice of the time it takes in docker, podman or qemu > > here I filled a request to improve nspawn performance which contain the > steps and the full test result:

Re: [systemd-devel] Why systemd-nspawn is slower than docker, podman and qemu?! how to Improve nspawn performance?

2021-01-25 Thread Tomasz Torcz
On Mon, Jan 25, 2021 at 11:56:09AM +0100, Badr Elmers wrote: > Hi, > Why nspawn is slow compared to docker podman and even qemu?! > CPU tasks take twice of the time it takes in docker, podman or qemu > > here I filled a request to improve nspawn performance which contain the > steps and the full

[systemd-devel] Why systemd-nspawn is slower than docker, podman and qemu?! how to Improve nspawn performance?

2021-01-25 Thread Badr Elmers
Hi, Why nspawn is slow compared to docker podman and even qemu?! CPU tasks take twice of the time it takes in docker, podman or qemu here I filled a request to improve nspawn performance which contain the steps and the full test result: https://github.com/systemd/systemd/issues/18370 Do you know