diff --git a/.ebextensions_dev/01-env.config b/.ebextensions_dev/01-env.config
index 851677d..3af3e06 100644
--- a/.ebextensions_dev/01-env.config
+++ b/.ebextensions_dev/01-env.config
@@ -1,9 +1,10 @@
 option_settings:
   aws:elasticbeanstalk:application:environment:
     JAVA_TOOL_OPTIONS: >-
-      -Xms512m -Xmx512m
+      -Xms1024m -Xmx1024m
       -XX:+UseG1GC -XX:MaxGCPauseMillis=200
       -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/var/log/heapdump.hprof
       -XX:+ExitOnOutOfMemoryError
-      -Dexcel.permits=2
+      -XX:+UseStringDeduplication
+      -Dexcel.permits=1
     SERVER_TOMCAT_THREADS_MAX: "50"
\ No newline at end of file