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vzdump: display actually uploaded chunks as 'write' speed

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Previously 'read' and 'write' would always show the same value, which is
of little use. Change it so 'write' excludes reused bytes, thus
displaying the actual upload speed.

$last_reused needs to be initialized to contain reused data from 'clean'
dirty bitmaps to ensure the first output line is correct.

Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
This commit is contained in:
Stefan Reiter 2020-08-19 17:02:02 +02:00 committed by Thomas Lamprecht
parent 3a44897f74
commit 8825248c43
1 changed files with 11 additions and 2 deletions
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11
PVE/VZDump/QemuServer.pm
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@ -317,6 +317,7 @@ my $query_backup_status_loop = sub {
};
my $target = 0;
my $last_reused = 0;
my $has_query_bitmap = 0;
if (defined($pbs_features) && $pbs_features->{'query-bitmap-info'}) {
$has_query_bitmap = 1;
@ -328,6 +329,7 @@ my $query_backup_status_loop = sub {
$drive =~ s/^drive-//; # for consistency
$self->loginfo("$drive: $text");
$target += $info->{dirty};
$last_reused += $info->{size} - $info->{dirty};
}
}
@ -347,7 +349,13 @@ my $query_backup_status_loop = sub {
my $duration = $ctime - $starttime;
my $rbytes = $transferred - $last_transferred;
my $wbytes = $rbytes - ($zero - $last_zero);
my $wbytes;
if ($reused) {
# reused includes zero bytes for PBS
$wbytes = $rbytes - ($reused - $last_reused);
} else {
$wbytes = $rbytes - ($zero - $last_zero);
}
my $timediff = ($ctime - $last_time) || 1; # fixme
my $mbps_read = $get_mbps->($rbytes, $timediff);
@ -379,6 +387,7 @@ my $query_backup_status_loop = sub {
$last_zero = $zero if $zero;
$last_transferred = $transferred if $transferred;
$last_time = $ctime;
$last_reused = $reused;
}
sleep(1);
}