catch exception of LocalAdmissionController::stop() (#8942)

close #8860
pingcap · Apr 12, 2024 · 0b0cc45 · 0b0cc45
1 parent 08c3ea1
commit 0b0cc45
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Showing 2 changed files with 17 additions and 15 deletions.
diff --git a/dbms/src/Flash/ResourceControl/LocalAdmissionController.h b/dbms/src/Flash/ResourceControl/LocalAdmissionController.h
@@ -442,7 +442,9 @@ class LocalAdmissionController final : private boost::noncopyable
         background_threads.emplace_back([this] { this->watchGAC(); });
     }
 
-    ~LocalAdmissionController()
+    ~LocalAdmissionController() { safeStop(); }
+
+    void safeStop()
     {
         try
         {
@@ -530,6 +532,17 @@ class LocalAdmissionController final : private boost::noncopyable
         refill_token_callback = nullptr;
     }
 
+#ifdef DBMS_PUBLIC_GTEST
+    static std::unique_ptr<MockLocalAdmissionController> global_instance;
+#else
+    static std::unique_ptr<LocalAdmissionController> global_instance;
+#endif
+
+    // Interval of fetch from GAC periodically.
+    static constexpr auto DEFAULT_FETCH_GAC_INTERVAL = std::chrono::seconds(5);
+    static constexpr auto DEFAULT_FETCH_GAC_INTERVAL_MS = 5000;
+
+private:
     void stop()
     {
         if (stopped)
@@ -590,17 +603,6 @@ class LocalAdmissionController final : private boost::noncopyable
         LOG_INFO(log, "LAC stopped done: final report size: {}", acquire_infos.size());
     }
 
-#ifdef DBMS_PUBLIC_GTEST
-    static std::unique_ptr<MockLocalAdmissionController> global_instance;
-#else
-    static std::unique_ptr<LocalAdmissionController> global_instance;
-#endif
-
-    // Interval of fetch from GAC periodically.
-    static constexpr auto DEFAULT_FETCH_GAC_INTERVAL = std::chrono::seconds(5);
-    static constexpr auto DEFAULT_FETCH_GAC_INTERVAL_MS = 5000;
-
-private:
     void consumeResource(const std::string & name, double ru, uint64_t cpu_time_in_ns)
     {
         if (unlikely(stopped))

diff --git a/dbms/src/Server/Server.cpp b/dbms/src/Server/Server.cpp
@@ -1786,7 +1786,7 @@ int Server::main(const std::vector<std::string> & /*args*/)
                 // Workload will not be throttled when LAC is stopped.
                 // It's ok because flash service has already been destructed, so throllting is meaningless.
                 assert(LocalAdmissionController::global_instance);
-                LocalAdmissionController::global_instance->stop();
+                LocalAdmissionController::global_instance->safeStop();
             }
         });
 
@@ -1805,11 +1805,11 @@ int Server::main(const std::vector<std::string> & /*args*/)
             // Stop LAC for AutoScaler managed CN before FlashGrpcServerHolder is destructed.
             // Because AutoScaler it will kill tiflash process when port of flash_server_addr is down.
             // And we want to make sure LAC is cleanedup.
-            // The effects are there will be no resource control during [lac.stop(), FlashGrpcServer destruct done],
+            // The effects are there will be no resource control during [lac.safeStop(), FlashGrpcServer destruct done],
             // but it's basically ok, that duration is small(normally 100-200ms).
             if (global_context->getSharedContextDisagg()->isDisaggregatedComputeMode() && use_autoscaler
                 && LocalAdmissionController::global_instance)
-                LocalAdmissionController::global_instance->stop();
+                LocalAdmissionController::global_instance->safeStop();
         });
 
         tmt_context.setStatusRunning();