diff --git a/source/os/src/osMemory.c b/source/os/src/osMemory.c
index 242c3d32bf..c641d893a1 100644
--- a/source/os/src/osMemory.c
+++ b/source/os/src/osMemory.c
@@ -229,27 +229,27 @@ void taosPrintBackTrace() { return; }
 #endif
 
 int32_t taosMemoryDbgInit() {
-#if defined(LINUX)
+#if defined(LINUX) && !defined(_ALPINE)
   int ret = mallopt(M_MMAP_THRESHOLD, 0);
   if (0 == ret) {
     return TAOS_SYSTEM_ERROR(errno);
-  }  
+  }
 
   return 0;
-#else 
+#else
   return TSDB_CODE_FAILED;
 #endif
 }
 
 int32_t taosMemoryDbgInitRestore() {
-#if defined(LINUX)
+#if defined(LINUX) && !defined(_ALPINE)
   int ret = mallopt(M_MMAP_THRESHOLD, 128 * 1024);
   if (0 == ret) {
     return TAOS_SYSTEM_ERROR(errno);
-  }  
+  }
 
   return 0;
-#else 
+#else
   return TSDB_CODE_FAILED;
 #endif
 }
diff --git a/tests/requirements.txt b/tests/requirements.txt
index d2edbfb32d..c6e27fd3be 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -7,4 +7,4 @@ toml
 distro
 requests
 pexpect
-faker
\ No newline at end of file
+faker
diff --git a/tests/script/tsim/stream/ignoreExpiredData.sim b/tests/script/tsim/stream/ignoreExpiredData.sim
index b143b7977f..fb6cf2eec6 100644
--- a/tests/script/tsim/stream/ignoreExpiredData.sim
+++ b/tests/script/tsim/stream/ignoreExpiredData.sim
@@ -116,7 +116,7 @@ sql create stream stream_t1 trigger at_once IGNORE EXPIRED 1 into streamtST1 as
 sql create stream stream_t2 trigger at_once IGNORE EXPIRED 1 into streamtST2 as select  _wstart, count(*) c1, count(a) c2 , sum(a) c3 ,  max(b)  c5, min(c) c6 from st session(ts, 10s) ;
 sql insert into ts1 values(1648791211000,1,2,3);
 sql insert into ts1 values(1648791222001,2,2,3);
-sleep 300
+sleep 200
 sql insert into ts2 values(1648791211000,1,2,3);
 sql insert into ts2 values(1648791222001,2,2,3);
 
@@ -160,4 +160,4 @@ if $data02 != 1 then
   goto loop5
 endi
 
-system sh/stop_dnodes.sh
\ No newline at end of file
+system sh/stop_dnodes.sh