diff --git a/maloja/database/dbcache.py b/maloja/database/dbcache.py
index d505e59..a94c622 100644
--- a/maloja/database/dbcache.py
+++ b/maloja/database/dbcache.py
@@ -46,9 +46,14 @@ def cached_wrapper(inner_func):
 
 
 def invalidate_caches(scrobbletime):
+	cleared, kept = 0, 0
 	for k in cache.keys():
 		if (k[3] is None or scrobbletime >= k[3]) and (k[4] is None or scrobbletime <= k[4]):
+			cleared += 1
 			del cache[k]
+		else:
+			kept += 1
+	log(f"Invalidated {cleared} of {cleared+kept} DB cache entries")
 
 
 
diff --git a/maloja/database/sqldb.py b/maloja/database/sqldb.py
index 0728192..38133f4 100644
--- a/maloja/database/sqldb.py
+++ b/maloja/database/sqldb.py
@@ -586,7 +586,7 @@ def clean_db():
 			delete from tracks where id not in (select track_id from scrobbles)
 		''')).rowcount
 
-		log(f"Deleted {a2} tracks without scrobbles ({a1} track artist entries)")
+		if a2+a1>0: log(f"Deleted {a2} tracks without scrobbles ({a1} track artist entries)")
 
 		### Delete artists that have no tracks
 		# we actually don't wanna do that as it will break collection artists
@@ -595,7 +595,7 @@ def clean_db():
 		#	delete from artists where id not in (select artist_id from trackartists)
 		#''')).rowcount
 		#
-		#log(f"Deleted {a3} artists without tracks")
+		#if a3>0: log(f"Deleted {a3} artists without tracks")
 
 		### Delete tracks that have no artists (delete their scrobbles first)
 		a4 = conn.execute(sql.text('''
@@ -605,7 +605,7 @@ def clean_db():
 			delete from tracks where id not in (select track_id from trackartists)
 		''')).rowcount
 
-		log(f"Deleted {a5} tracks without artists ({a4} scrobbles)")
+		if a5+a4>0: log(f"Deleted {a5} tracks without artists ({a4} scrobbles)")