diff --git a/conf/java-opts b/conf/java-opts
index 823f0cb948c7a4b97891c7a314516c0b3de0f891..409f5dd3e77d398965ca5595681fa84db15fa495 100644
--- a/conf/java-opts
+++ b/conf/java-opts
@@ -1 +1 @@
--Dspark.shuffle.class=spark.CustomBlockedLocalFileShuffle -Dspark.blockedLocalFileShuffle.maxConnections=2 -Dspark.blockedLocalFileShuffle.blockSize=256 -Dspark.blockedLocalFileShuffle.minKnockInterval=50
+-Dspark.shuffle.class=spark.CustomParallelLocalFileShuffle -Dspark.blockedLocalFileShuffle.maxRxConnections=2 -Dspark.blockedLocalFileShuffle.blockSize=256 -Dspark.blockedLocalFileShuffle.minKnockInterval=50 -Dspark.parallelLocalFileShuffle.maxRxConnections=2 -Dspark.parallelLocalFileShuffle.maxTxConnections=4 -Dspark.parallelLocalFileShuffle.minKnockInterval=50 -Dspark.parallelLocalFileShuffle.maxKnockInterval=5000