diff --git a/common/src/main/scala/org/apache/celeborn/common/CelebornConf.scala b/common/src/main/scala/org/apache/celeborn/common/CelebornConf.scala
index c6bc6310b70..413da167653 100644
--- a/common/src/main/scala/org/apache/celeborn/common/CelebornConf.scala
+++ b/common/src/main/scala/org/apache/celeborn/common/CelebornConf.scala
@@ -2474,7 +2474,7 @@ object CelebornConf extends Logging {
       .doc("If direct memory usage is less than this limit, worker will resume.")
       .version("0.2.0")
       .doubleConf
-      .createWithDefault(0.5)
+      .createWithDefault(0.7)
 
   val WORKER_CONGESTION_CONTROL_ENABLED: ConfigEntry[Boolean] =
     buildConf("celeborn.worker.congestionControl.enabled")
diff --git a/docs/configuration/worker.md b/docs/configuration/worker.md
index e724fa2aad7..3ba3090dd3f 100644
--- a/docs/configuration/worker.md
+++ b/docs/configuration/worker.md
@@ -39,7 +39,7 @@ license: |
 | celeborn.worker.directMemoryRatioForReadBuffer | 0.1 | Max ratio of direct memory for read buffer | 0.2.0 | 
 | celeborn.worker.directMemoryRatioToPauseReceive | 0.85 | If direct memory usage reaches this limit, the worker will stop to receive data from Celeborn shuffle clients. | 0.2.0 | 
 | celeborn.worker.directMemoryRatioToPauseReplicate | 0.95 | If direct memory usage reaches this limit, the worker will stop to receive replication data from other workers. This value should be higher than celeborn.worker.directMemoryRatioToPauseReceive. | 0.2.0 | 
-| celeborn.worker.directMemoryRatioToResume | 0.5 | If direct memory usage is less than this limit, worker will resume. | 0.2.0 | 
+| celeborn.worker.directMemoryRatioToResume | 0.7 | If direct memory usage is less than this limit, worker will resume. | 0.2.0 | 
 | celeborn.worker.fetch.heartbeat.enabled | false | enable the heartbeat from worker to client when fetching data | 0.3.0 | 
 | celeborn.worker.fetch.io.threads | <undefined> | Netty IO thread number of worker to handle client fetch data. The default threads number is the number of flush thread. | 0.2.0 | 
 | celeborn.worker.fetch.port | 0 | Server port for Worker to receive fetch data request from ShuffleClient. | 0.2.0 |