diff --git a/src/services/app.service.ts b/src/services/app.service.ts
index 1ba4a3c..a0e9a61 100644
--- a/src/services/app.service.ts
+++ b/src/services/app.service.ts
@@ -18,12 +18,12 @@ export class AppService implements OnModuleInit {
 
     async onModuleInit() {
         //https://phiresky.github.io/blog/2020/sqlite-performance-tuning/
-        //100 MB DB cache
-        await this.dataSource.query(`PRAGMA cache_size = -100000;`);
+        //500 MB DB cache
+        await this.dataSource.query(`PRAGMA cache_size = -500000;`);
         //Normal is still completely corruption safe in WAL mode, and means only WAL checkpoints have to wait for FSYNC. 
         await this.dataSource.query(`PRAGMA synchronous = normal;`);
-        //1Gb
-        await this.dataSource.query(`PRAGMA mmap_size = 1000000000;`);
+        //3Gb
+        await this.dataSource.query(`PRAGMA mmap_size = 3000000000;`);
     }
 
     @Cron(CronExpression.EVERY_HOUR)