diff --git a/include/pika_client_conn.h b/include/pika_client_conn.h
index bc4c28db6a..27852e1bac 100644
--- a/include/pika_client_conn.h
+++ b/include/pika_client_conn.h
@@ -128,12 +128,13 @@ class PikaClientConn : public net::RedisConn {
   std::shared_ptr<User> user_;
 
   std::shared_ptr<Cmd> DoCmd(const PikaCmdArgsType& argv, const std::string& opt,
-                             const std::shared_ptr<std::string>& resp_ptr, bool cache_miss_in_rtc);
+                             const std::shared_ptr<std::string>& resp_ptr, bool cache_miss_in_rtc,
+                             int pipeline_idx, int pipeline_total);
 
-  void ProcessSlowlog(const PikaCmdArgsType& argv, std::shared_ptr<Cmd> c_ptr);
+  void ProcessSlowlog(const PikaCmdArgsType& argv, std::shared_ptr<Cmd> c_ptr, int pipeline_idx, int pipeline_total);
   void ProcessMonitor(const PikaCmdArgsType& argv);
 
-  void ExecRedisCmd(const PikaCmdArgsType& argv, std::shared_ptr<std::string>& resp_ptr, bool cache_miss_in_rtc);
+  void ExecRedisCmd(const PikaCmdArgsType& argv, std::shared_ptr<std::string>& resp_ptr, bool cache_miss_in_rtc, int pipeline_idx, int pipeline_total);
   void TryWriteResp();
 };
 
diff --git a/src/pika_client_conn.cc b/src/pika_client_conn.cc
index a6cd5ec62f..bb21f2ebfb 100644
--- a/src/pika_client_conn.cc
+++ b/src/pika_client_conn.cc
@@ -39,7 +39,8 @@ PikaClientConn::PikaClientConn(int fd, const std::string& ip_port, net::Thread*
 }
 
 std::shared_ptr<Cmd> PikaClientConn::DoCmd(const PikaCmdArgsType& argv, const std::string& opt,
-                                           const std::shared_ptr<std::string>& resp_ptr, bool cache_miss_in_rtc) {
+                                           const std::shared_ptr<std::string>& resp_ptr, bool cache_miss_in_rtc,
+                                           int pipeline_idx, int pipeline_total) {
   // Get command info
   std::shared_ptr<Cmd> c_ptr = g_pika_cmd_table_manager->GetCmd(opt);
   if (!c_ptr) {
@@ -226,13 +227,14 @@ std::shared_ptr<Cmd> PikaClientConn::DoCmd(const PikaCmdArgsType& argv, const st
   (*cmdstat_map)[opt].cmd_time_consuming.fetch_add(time_stat_->total_time());
 
   if (g_pika_conf->slowlog_slower_than() >= 0) {
-    ProcessSlowlog(argv, c_ptr);
+    ProcessSlowlog(argv, c_ptr, pipeline_idx, pipeline_total);
   }
 
   return c_ptr;
 }
 
-void PikaClientConn::ProcessSlowlog(const PikaCmdArgsType& argv, std::shared_ptr<Cmd> c_ptr) {
+void PikaClientConn::ProcessSlowlog(const PikaCmdArgsType& argv, std::shared_ptr<Cmd> c_ptr,
+                                    int pipeline_idx, int pipeline_total) {
   if (time_stat_->total_time() > g_pika_conf->slowlog_slower_than()) {
     g_pika_server->SlowlogPushEntry(argv, time_stat_->start_ts() / 1000000, time_stat_->total_time());
     if (g_pika_conf->slowlog_write_errorlog()) {
@@ -257,6 +259,7 @@ void PikaClientConn::ProcessSlowlog(const PikaCmdArgsType& argv, std::shared_ptr
                  << ", before_queue_time(ms): " << time_stat_->before_queue_time() / 1000
                  << ", queue_time(ms): " << time_stat_->queue_time() / 1000
                  << ", process_time(ms): " << time_stat_->process_time() / 1000
+                 << ", pipeline: " << pipeline_idx << "/" << pipeline_total
                  << ", " << c_ptr->StagesDurationSummary(true /*skip zero counter*/)
                  << ", " << rocksdb::get_perf_context()->ToString(true);
     }
@@ -358,10 +361,11 @@ void PikaClientConn::DoBackgroundTask(void* arg) {
 
 void PikaClientConn::BatchExecRedisCmd(const std::vector<net::RedisCmdArgsType>& argvs, bool cache_miss_in_rtc) {
   resp_num.store(static_cast<int32_t>(argvs.size()));
-  for (const auto& argv : argvs) {
+  for (auto idx = 0; idx < argvs.size(); idx++) {
+    const auto& argv = argvs[idx];
     std::shared_ptr<std::string> resp_ptr = std::make_shared<std::string>();
     resp_array.push_back(resp_ptr);
-    ExecRedisCmd(argv, resp_ptr, cache_miss_in_rtc);
+    ExecRedisCmd(argv, resp_ptr, cache_miss_in_rtc, idx + 1, argvs.size());
   }
   time_stat_->process_done_ts_ = pstd::NowMicros();
   TryWriteResp();
@@ -541,7 +545,7 @@ void PikaClientConn::ExitTxn() {
 }
 
 void PikaClientConn::ExecRedisCmd(const PikaCmdArgsType& argv, std::shared_ptr<std::string>& resp_ptr,
-                                  bool cache_miss_in_rtc) {
+                                  bool cache_miss_in_rtc, int pipeline_idx, int pipeline_total) {
   // get opt
   std::string opt = argv[0];
   pstd::StringToLower(opt);
@@ -552,7 +556,7 @@ void PikaClientConn::ExecRedisCmd(const PikaCmdArgsType& argv, std::shared_ptr<s
     }
   }
 
-  std::shared_ptr<Cmd> cmd_ptr = DoCmd(argv, opt, resp_ptr, cache_miss_in_rtc);
+  std::shared_ptr<Cmd> cmd_ptr = DoCmd(argv, opt, resp_ptr, cache_miss_in_rtc, pipeline_idx, pipeline_total);
   *resp_ptr = std::move(cmd_ptr->res().message());
   resp_num--;
 }