diff --git a/deps/oblib/src/lib/oblog/ob_log.cpp b/deps/oblib/src/lib/oblog/ob_log.cpp
index b461c25d3..fa6326cf0 100644
--- a/deps/oblib/src/lib/oblog/ob_log.cpp
+++ b/deps/oblib/src/lib/oblog/ob_log.cpp
@@ -337,6 +337,8 @@ ProbeAction probe_str2action(const char *str)
     action = ProbeAction::PROBE_BT;
   } else if (0 == strcmp(str, "abort")) {
     action = ProbeAction::PROBE_ABORT;
+  } else if (0 == strcmp(str, "disable")) {
+    action = ProbeAction::PROBE_DISABLE;
   }
   return action;
 }
@@ -353,6 +355,10 @@ const char *probe_action2str(ProbeAction action)
     str = "abort";
     break;
     }
+  case ProbeAction::PROBE_DISABLE: {
+    str = "disable";
+    break;
+    }
   default: {
     str = "none";
     break;
diff --git a/deps/oblib/src/lib/oblog/ob_log.h b/deps/oblib/src/lib/oblog/ob_log.h
index 353d78641..de31f7863 100644
--- a/deps/oblib/src/lib/oblog/ob_log.h
+++ b/deps/oblib/src/lib/oblog/ob_log.h
@@ -235,6 +235,7 @@ enum class ProbeAction
  PROBE_NONE,
  PROBE_BT,
  PROBE_ABORT,
+ PROBE_DISABLE,
 };
 
 //@class ObLogger
@@ -724,10 +725,11 @@ private:
               const uint64_t location_hash_val,
               Function &&log_data_func);
   void check_probe(
-      const char *file,
+      const char* file,
       int32_t line,
       const uint64_t location_hash_val,
-      bool &force_bt);
+      bool& force_bt,
+      bool& disable);
 private:
   static const char *const errstr_[];
   // default log rate limiter if there's no tl_log_limiger
@@ -1071,12 +1073,14 @@ inline int ObLogger::set_mod_log_levels(const char *level_str, int64_t version)
 extern void __attribute__ ((noinline)) on_probe_abort();
 
 inline void ObLogger::check_probe(
-      const char *file,
+      const char* file,
       int32_t line,
       const uint64_t location_hash_val,
-      bool &force_bt)
+      bool& force_bt,
+      bool& disable)
 {
   force_bt = false;
+  disable = false;
   for (int i = 0; i < probe_cnt_; i++) {
     auto &probe = probes_[i];
     if (location_hash_val == probe.location_hash_val_ &&
@@ -1089,9 +1093,23 @@ inline void ObLogger::check_probe(
         filename++;
       }
       if (0 == strncmp(filename, probe.file_, sizeof probe.file_)) {
-        force_bt = ProbeAction::PROBE_BT == probe.action_;
-        if (ProbeAction::PROBE_ABORT == probe.action_) {
-          on_probe_abort();
+        switch (probe.action_) {
+          case ProbeAction::PROBE_BT: {
+            force_bt = true;
+            break;
+          }
+          case ProbeAction::PROBE_ABORT: {
+            on_probe_abort();
+            break;
+          }
+          case ProbeAction::PROBE_DISABLE: {
+            disable = true;
+            break;
+          }
+          default: {
+            // do nothing
+            break;
+          }
         }
         break;
       }
@@ -1117,7 +1135,9 @@ inline void ObLogger::do_log_message(const bool is_async,
   bool allow = true;
 
   bool force_bt = false;
-  check_probe(file, line, location_hash_val, force_bt);
+  bool disable = false;
+  check_probe(file, line, location_hash_val, force_bt, disable);
+  if(OB_UNLIKELY(disable)) return;
   const int64_t logging_time_us_begin = get_cur_us();
   auto fd_type = get_fd_type(mod_name);
   if (OB_FAIL(precheck_tl_log_limiter(level, allow))) {
diff --git a/deps/oblib/src/lib/utility/ob_tracepoint.h b/deps/oblib/src/lib/utility/ob_tracepoint.h
index 8e9ca1f2c..b98963ab7 100644
--- a/deps/oblib/src/lib/utility/ob_tracepoint.h
+++ b/deps/oblib/src/lib/utility/ob_tracepoint.h
@@ -25,6 +25,7 @@
 #include "lib/alloc/alloc_assist.h"
 #include "lib/list/ob_dlist.h"
 #include "lib/coro/co_var.h"
+#include "lib/time/ob_tsc_timestamp.h"
 
 #define TP_COMMA(x) ,
 #define TP_EMPTY(x)
@@ -218,7 +219,9 @@ struct EventItem
       ret = 0;
     } else if (trigger_freq_ == 1) {
       ret = static_cast<int>(error_code_);
-      COMMON_LOG(WARN, "[ERRSIM] sim error", K(ret));
+      if (REACH_TIME_INTERVAL(1 * 1000 * 1000)) {
+        COMMON_LOG(WARN, "[ERRSIM] sim error", K(ret));
+      }
     } else {
       if (rand() % trigger_freq_ == 0) {
         ret = static_cast<int>(error_code_);
diff --git a/tools/deploy/obd/obdtest.config.yaml.template b/tools/deploy/obd/obdtest.config.yaml.template
index 9184aa1b6..ac04a06ca 100644
--- a/tools/deploy/obd/obdtest.config.yaml.template
+++ b/tools/deploy/obd/obdtest.config.yaml.template
@@ -23,13 +23,11 @@
     datafile_size: '60G'
     system_memory: '15G'
     cpu_count: '16'
-    stack_size: '512K'
     cache_wash_threshold: '1G'
     __min_full_resource_pool_memory: "1073741824"
     workers_per_cpu_quota: '10'
     schema_history_expire_time: '1d'
     net_thread_count: '4'
-    enable_async_syslog: False
 {{%% EXTRA_PARAM %%}}
 
 {{%% PROXY_CONF %%}}
diff --git a/tools/deploy/obd/observer.include.yaml b/tools/deploy/obd/observer.include.yaml
index c86d3e4d8..3e7d03891 100644
--- a/tools/deploy/obd/observer.include.yaml
+++ b/tools/deploy/obd/observer.include.yaml
@@ -23,11 +23,9 @@ config:
   memory_limit: '8G'
   system_memory: '1G'
   cpu_count: '24'
-  stack_size: '512K'
   cache_wash_threshold: '1G'
   __min_full_resource_pool_memory: "1073741824"
   workers_per_cpu_quota: '10'
   schema_history_expire_time: '1d'
   net_thread_count: '4'
   syslog_io_bandwidth_limit: '10G'
-  enable_async_syslog: 'FALSE'