[pve-devel] [PATCH v3 guest-common 4/5] fix #3069: vzdump: schema: add 'pbs-entries-max' property

[Alexander Zeidler <a.zeidler@proxmox.com>]

configuring pbs-entries-max can avoid failing backups due to a high
amount of files in folders where a folder exclusion is not possible

Signed-off-by: Alexander Zeidler <a.zeidler@proxmox.com>
---
Changes since v2:
  Apply Fiona's comments:
  * rephrase description
  * fix dot style nit

Changes since v1:
  * improve description
  * move description to 'performance' section
  * remove arrow alignment


 src/PVE/VZDump/Common.pm | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/PVE/VZDump/Common.pm b/src/PVE/VZDump/Common.pm
index 31e9fdb..ba4a61a 100644
--- a/src/PVE/VZDump/Common.pm
+++ b/src/PVE/VZDump/Common.pm
@@ -88,6 +88,16 @@ PVE::JSONSchema::register_format('backup-performance', {
 	default => 16,
 	optional => 1,
     },
+    'pbs-entries-max' => {
+	description => "Applies to container backups sent to PBS. Limits the number of entries "
+	    ."allowed in memory at a given time to avoid unintended OOM situations. Increase it to "
+	    ."enable backups of folders with a large amount of files. It must be minimum the sum "
+	    ."of all file/folder siblings at each level in its path.",
+	type => 'integer',
+	minimum => 1,
+	default => 1048576,
+	optional => 1,
+    },
 });
 
 my $confdesc = {
-- 
2.39.2