[TASK] Performance optimizations

assets/etc/gerrit.config

@@ -7,6 +7,7 @@
 [container]
 	javaOptions = -Djava.security.egd=file:/dev/./urandom
 	user = gerrit
+	heapLimit = 4g
 
 [auth]
 	type = LDAP
@@ -26,7 +27,7 @@
 	groupBase = ou=people,dc=typo3,dc=org
 
 [core]
-	gitPackedLimit = 1g
+	packedGitLimit = 1g
 	packedGitWindowSize = 16k
 	packedGitOpenFiles = 1024