Add flags to improve RouterServer MapDB perf

replicahq · Dec 22, 2022 · f3c2101 · f3c2101
1 parent c702076
commit f3c2101
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/grpc/src/main/java/com/replica/RouterServer.java b/grpc/src/main/java/com/replica/RouterServer.java
@@ -118,7 +118,7 @@ private void start() throws Exception {
 
         File linkMappingsDbFile = new File("transit_data/gtfs_link_mappings/gtfs_link_mappings.db");
         if (linkMappingsDbFile.exists()) {
-            DB db = DBMaker.newFileDB(linkMappingsDbFile).readOnly().make();
+            DB db = DBMaker.newFileDB(linkMappingsDbFile).transactionDisable().mmapFileEnable().readOnly().make();
             gtfsLinkMappings = db.getHashMap("gtfsLinkMappings");
             gtfsRouteInfo = db.getHashMap("gtfsRouteInfo");
             gtfsFeedIdMapping = db.getHashMap("gtfsFeedIdMap");