[pve-devel] [PATCH v4 container 2/4]: fix #3069: vzdump: add 'pbs-entries-max' parameter

[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 v3:
  Apply Fiona's comment:
  * fix style (https://lists.proxmox.com/pipermail/pve-devel/2023-January/055365.html)

Changes since v2:
  Apply Fiona's comments:
  * fix parameter check
  * fix both style nits

Changes since v1:
  * reword loginfo message and include new set value
  * fix indentation


 src/PVE/VZDump/LXC.pm | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/PVE/VZDump/LXC.pm b/src/PVE/VZDump/LXC.pm
index 5783ffa..c68a06f 100644
--- a/src/PVE/VZDump/LXC.pm
+++ b/src/PVE/VZDump/LXC.pm
@@ -395,6 +395,12 @@ sub archive {
 	push @$param, '--backup-id', $vmid;
 	push @$param, '--backup-time', $task->{backup_time};
 
+	if (my $entries_max = $opts->{"performance"}->{"pbs-entries-max"}) {
+	    push $param->@*, '--entries-max', $entries_max;
+	    $self->loginfo(
+		"set max number of entries in memory for file-based backups to $entries_max");
+	}
+
 	my @storage = ($opts->{scfg}, $opts->{storage});
 
 	my $logfunc = sub { my $line = shift; $self->loginfo($line) };
-- 
2.39.2