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-rw-r--r--lib/App/BorgRestore/PathTimeTable/DB.pm14
1 files changed, 8 insertions, 6 deletions
diff --git a/lib/App/BorgRestore/PathTimeTable/DB.pm b/lib/App/BorgRestore/PathTimeTable/DB.pm
index b0c0bb8..d514f0c 100644
--- a/lib/App/BorgRestore/PathTimeTable/DB.pm
+++ b/lib/App/BorgRestore/PathTimeTable/DB.pm
@@ -22,6 +22,10 @@ directory is added, the previous cache is invalidated.
=cut
+# Trace logging statements are disabled here since they incur a performance
+# overhead because they are in tight loops. Change to 1 when necessary.
+use constant TRACE => 0;
+
method new($class: $deps = {}) {
return $class->new_no_defaults($deps);
}
@@ -59,9 +63,7 @@ method add_path($path, $time) {
$self->_add_path_to_db($self->{archive_id}, $path, $time);
my $cached = $self->{cache}->{$path};
if ($path ne $full_path && (!defined $cached || $cached < $time)) {
- # logging statements are commented since they incur a performance
- # overhead because they are called very often. Uncomment when necessary
- #$log->tracef("Setting cache time for path '%s' to %d", $path, $time);
+ $log->tracef("Setting cache time for path '%s' to %d", $path, $time) if TRACE;
$self->{cache}->{$path} = $time;
}
$path = substr($path, 0, $slash_index);
@@ -69,7 +71,7 @@ method add_path($path, $time) {
$self->_add_path_to_db($self->{archive_id}, $path, $time) unless $path eq ".";
my $cached = $self->{cache}->{$path};
if ($path ne $full_path && (!defined $cached || $cached < $time)) {
- #$log->tracef("Setting cache time for path '%s' to %d", $path, $time);
+ $log->tracef("Setting cache time for path '%s' to %d", $path, $time) if TRACE;
$self->{cache}->{$path} = $time;
}
$self->{current_path_in_cache} = $full_path;
@@ -79,11 +81,11 @@ method _add_path_to_db($archive_id, $path,$time) {
my $cached = $self->{cache}->{$path};
$self->{stats}->{total_potential_calls_to_db_class}++;
if (!defined $cached || $cached < $time) {
- #$log->tracef("Updating DB for path '%s' with time %d", $path, $time);
+ $log->tracef("Updating DB for path '%s' with time %d", $path, $time) if TRACE;
$self->{stats}->{real_calls_to_db_class}++;
$self->{deps}->{db}->update_path_if_greater($archive_id, $path, $time);
} else {
- #$log->tracef("Skipping DB update for path '%s' because (cached) DB time is %d and file time is %d which is lower", $path, $cached, $time);
+ $log->tracef("Skipping DB update for path '%s' because (cached) DB time is %d and file time is %d which is lower", $path, $cached, $time) if TRACE;
}
}