skip indexing at startup if marker found

SVN: 15751

openbis/source/java/service.properties

@@ -52,7 +52,7 @@ hibernate.search.index-base = ./targets/indices-${database.kind}
 # One of NO_INDEX, SKIP_IF_MARKER_FOUND, INDEX_FROM_SCRATCH.
 # If not specified, default (SKIP_IF_MARKER_FOUND) is taken.
 #hibernate.search.index-mode = SKIP_IF_MARKER_FOUND
-hibernate.search.index-mode = INDEX_FROM_SCRATCH
+hibernate.search.index-mode = SKIP_IF_MARKER_FOUND
 # Defines the maximum number of elements indexed before flushing the transaction-bound queue.
 # Default is 1000.
 hibernate.search.batch-size = 1000