From: Fiona Ebner <f.ebner@proxmox.com>
To: pve-devel@lists.proxmox.com
Subject: Re: [pve-devel] [PATCH storage 4/6] rbd plugin: implement volume import/export
Date: Tue, 17 Dec 2024 13:10:17 +0100 [thread overview]
Message-ID: <38f0b278-1170-4ac9-8def-1faf7e34452f@proxmox.com> (raw)
In-Reply-To: <792d36b7-05a5-41c0-9213-095301da221e@proxmox.com>
Am 13.12.24 um 17:34 schrieb Fiona Ebner:
> Am 13.12.24 um 17:30 schrieb Fiona Ebner:
>> + run_command(['dd', "if=$file", "bs=64k", "status=progress"], output => '>&'.fileno($fh));
>
> ---snip---
>
>> + run_command(['dd', "of=$file", 'bs=64k'], input => '<&'.fileno($fh));
>
>
> Forgot to mention, I did not test with different block sizes yet. This
> is just copied from the LVM plugin. Will do that next week and see if
> it's worth changing.
Tested between a virtual cluster with integrated Ceph (A) and another
node with external Ceph (B) with a VM with a 4 GiB OS disk and 15 GiB
disk full of random data. Don't see much difference, with 64K slightly
winning:
A -> B
16 KiB
2024-12-17 13:00:49 migration finished successfully (duration 00:02:01)
qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vmbr0
12.67s user 42.01s system 45% cpu 2:01.29 total
2024-12-17 13:05:40 migration finished successfully (duration 00:02:01)
qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vmbr0
12.49s user 42.34s system 45% cpu 2:00.89 total
64 KiB
2024-12-17 11:59:35 migration finished successfully (duration 00:01:56)
qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vmbr0
12.31s user 41.10s system 45% cpu 1:57.31 total
2024-12-17 12:05:39 migration finished successfully (duration 00:01:58)
qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vmbr0
12.07s user 41.30s system 45% cpu 1:58.00 total
256 KiB
2024-12-17 12:11:00 migration finished successfully (duration 00:02:05)
qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vmbr0
11.29s user 37.89s system 39% cpu 2:06.03 total
2024-12-17 12:16:54 migration finished successfully (duration 00:02:07)
qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vmbr0
11.64s user 38.70s system 39% cpu 2:07.61 total
B -> A
16 KiB
2024-12-17 13:02:47 migration finished successfully (duration 00:01:28)
qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vnet0
13.06s user 40.22s system 58% cpu 1:31.23 total
2024-12-17 13:07:57 migration finished successfully (duration 00:01:28)
qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vnet0
13.00s user 40.25s system 58% cpu 1:30.64 total
64 KiB
2024-12-17 11:56:34 migration finished successfully (duration 00:01:22)
qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vnet0
12.72s user 37.16s system 59% cpu 1:24.53 total
2024-12-17 12:03:15 migration finished successfully (duration 00:01:27)
qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vnet0
13.19s user 38.45s system 57% cpu 1:30.10 total
256 KiB
2024-12-17 12:08:10 migration finished successfully (duration 00:01:31)
qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vnet0
12.18s user 37.23s system 52% cpu 1:34.39 total
2024-12-17 12:14:05 migration finished successfully (duration 00:01:35)
qm remote-migrate 1234 1234 --target-storage rbd --target-bridge vnet0
11.85s user 36.74s system 49% cpu 1:37.46 total
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next prev parent reply other threads:[~2024-12-17 12:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-13 16:30 [pve-devel] [PATCH-SERIES storage 0/6] basic RBD import/export Fiona Ebner
2024-12-13 16:30 ` [pve-devel] [PATCH storage 1/6] rbd plugin: schema: document default value for 'krbd' setting Fiona Ebner
2024-12-13 16:30 ` [pve-devel] [PATCH storage 2/6] export: redirect stdout to avoid any unrelated messages ending up in the export stream Fiona Ebner
2024-12-13 16:30 ` [pve-devel] [PATCH storage 3/6] rbd plugin: factor out helper to check if volume already exists Fiona Ebner
2024-12-13 16:30 ` [pve-devel] [PATCH storage 4/6] rbd plugin: implement volume import/export Fiona Ebner
2024-12-13 16:34 ` Fiona Ebner
2024-12-17 12:10 ` Fiona Ebner [this message]
2024-12-13 16:30 ` [pve-devel] [PATCH storage 5/6] common: introduce common module Fiona Ebner
2024-12-13 16:30 ` [pve-devel] [PATCH storage 6/6] plugins: volume import: align size up to 1KiB Fiona Ebner
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