[pve-devel] applied-series: [PATCH-SERIES qemu(-server)/guest-common/manager/docs] make QEMU's max-workers setting configurable as a vzdump setting

Wolfgang Bumiller w.bumiller at proxmox.com
Mon Oct 10 13:10:29 CEST 2022


applied series

On Mon, Oct 03, 2022 at 03:52:03PM +0200, Fiona Ebner wrote:
> A few users reported IO-related issues during backup after upgrading
> to PVE 7.x and using a modified QEMU build with max-workers reduced to
> 8 instead of 16 helped them [0].
> 
> Other BackupPerf settings are not exposed, see the qemu patch for why.
> 
> Introduces a more general 'performance' property string as a vzdump
> setting to be expanded in the future. And in the long run, existing
> performance settings like bwlimit could be moved into there.
> 
> To detect if the currently running QEMU supports the setting, the
> query-proxmox-support QMP command is used. If not supported, a
> warning is printed and the setting is ignored.
> 
> All but the last documentation patches are independent. The recently
> created dedicated section for jobs is expanded and the introductory
> section for backups is updated to mention PBS. The last patch mentions
> the new performance/max-workers setting.
> 
> [0]: https://forum.proxmox.com/threads/113790/
> 
> Dependency bump manager -> guest-common is needed for the new
> $PROPERTY_STRING hash.
> 
> 
> qemu:
> 
> Fiona Ebner (1):
>   PVE Backup: allow passing max-workers performance setting
> 
>  block/monitor/block-hmp-cmds.c |  4 +++-
>  pve-backup.c                   | 18 +++++++++++++-----
>  qapi/block-core.json           |  9 +++++++--
>  3 files changed, 23 insertions(+), 8 deletions(-)
> 
> 
> guest-common:
> 
> Fiona Ebner (1):
>   vzdump: add 'performance' property string as a setting
> 
>  src/PVE/VZDump/Common.pm | 42 ++++++++++++++++++++++++++++++----------
>  1 file changed, 32 insertions(+), 10 deletions(-)
> 
> 
> qemu-server:
> 
> Fiona Ebner (1):
>   vzdump: set max-workers QMP option when specified and supported
> 
>  PVE/VZDump/QemuServer.pm | 30 ++++++++++++++++++++++++++++++
>  1 file changed, 30 insertions(+)
> 
> 
> manager:
> 
> Fiona Ebner (1):
>   vzdump: handle new 'performance' property string
> 
>  PVE/API2/VZDump.pm        |  9 +++++----
>  PVE/Jobs/VZDump.pm        | 23 ++++++++++-------------
>  PVE/VZDump.pm             | 12 ++++++++++++
>  configs/vzdump.conf       |  1 +
>  www/manager6/dc/Backup.js |  8 +++++---
>  5 files changed, 33 insertions(+), 20 deletions(-)
> 
> 
> docs:
> 
> Fiona Ebner (4):
>   backup: rework storage section, mentioning and recommending PBS
>   backup: expand section for jobs
>   backup: merge sections describing jobs
>   backup: mention max-workers performance setting
> 
>  vzdump.adoc | 61 +++++++++++++++++++++++++++++++++++------------------
>  1 file changed, 40 insertions(+), 21 deletions(-)
> 
> -- 
> 2.30.2





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