diff --git a/src/common/backend/utils/init/miscinit.cpp b/src/common/backend/utils/init/miscinit.cpp
index efc005334..6a200a975 100644
--- a/src/common/backend/utils/init/miscinit.cpp
+++ b/src/common/backend/utils/init/miscinit.cpp
@@ -76,6 +76,8 @@
 
 #define InvalidPid ((pid_t)(-1))
 
+const char* DSS_WAL_SEGMENT_SIZE_STR = "131072";
+
 Alarm alarmItemTooManyDbUserConn[1] = {ALM_AI_Unknown, ALM_AS_Normal, 0, 0, 0, 0, {0}, {0}, NULL};
 
 /* ----------------------------------------------------------------
@@ -2167,4 +2169,5 @@ void initDSSConf(void)
 
     /* set xlog seg size to 1GB */
     XLogSegmentSize = DSS_XLOG_SEG_SIZE;
+    SetConfigOption("wal_segment_size", DSS_WAL_SEGMENT_SIZE_STR, PGC_INTERNAL, PGC_S_OVERRIDE);
 }
diff --git a/src/common/backend/utils/misc/guc/guc_storage.cpp b/src/common/backend/utils/misc/guc/guc_storage.cpp
index 0a5c57bfb..2f8560151 100755
--- a/src/common/backend/utils/misc/guc/guc_storage.cpp
+++ b/src/common/backend/utils/misc/guc/guc_storage.cpp
@@ -3117,7 +3117,7 @@ static void InitStorageConfigureNamesInt()
             &u_sess->attr.attr_storage.wal_segment_size,
             (XLOG_SEG_SIZE / XLOG_BLCKSZ),
             (XLOG_SEG_SIZE / XLOG_BLCKSZ),
-            (XLOG_SEG_SIZE / XLOG_BLCKSZ),
+            (DSS_XLOG_SEG_SIZE / XLOG_BLCKSZ),
             NULL,
             NULL,
             NULL},
diff --git a/src/test/regress/output/recovery_2pc_tools.source b/src/test/regress/output/recovery_2pc_tools.source
index 223ddde2e..1fa9928d8 100644
--- a/src/test/regress/output/recovery_2pc_tools.source
+++ b/src/test/regress/output/recovery_2pc_tools.source
@@ -816,7 +816,7 @@ select name,vartype,unit,min_val,max_val from pg_settings where name <> 'qunit_c
  wal_receiver_connect_timeout                     | integer | s    | 0         | 2147483
  wal_receiver_status_interval                     | integer | s    | 0         | 2147483
  wal_receiver_timeout                             | integer | ms   | 0         | 2147483647
- wal_segment_size                                 | integer | 8kB  | 2048      | 2048
+ wal_segment_size                                 | integer | 8kB  | 2048      | 131072
  walsender_max_send_size                          | integer | kB   | 8         | 2147483647
  wal_sender_timeout                               | integer | ms   | 0         | 2147483647
  wal_sync_method                                  | enum    |      |           |