settings: remove mpp_time_out related config

dbms/src/Core/Defines.h

@@ -40,9 +40,6 @@
 
 #define DEFAULT_MAX_READ_TSO 0xFFFFFFFFFFFFFFFF
 #define DEFAULT_UNSPECIFIED_SCHEMA_VERSION (-1)
-#define DEFAULT_MPP_TASK_TIMEOUT 10
-#define DEFAULT_MPP_TASK_RUNNING_TIMEOUT (DEFAULT_MPP_TASK_TIMEOUT + 30)
-#define DEFAULT_MPP_TASK_WAITING_TIMEOUT 36000
 
 // Timeout for building one disagg task in the TiFlash write node.
 // Including read index / wait index / generate segments snapshots.

dbms/src/Flash/Mpp/MPPTask.cpp

@@ -409,22 +409,6 @@ void MPPTask::prepare(const mpp::DispatchTaskRequest & task_request)
 
     context->setSetting("read_tso", start_ts);
     context->setSetting("schema_version", schema_ver);
-    if (unlikely(task_request.timeout() < 0))
-    {
-        /// this is only for test
-        context->setSetting("mpp_task_timeout", static_cast<Int64>(5));
-        context->setSetting("mpp_task_running_timeout", static_cast<Int64>(10));
-    }
-    else
-    {
-        context->setSetting("mpp_task_timeout", task_request.timeout());
-        if (task_request.timeout() > 0)
-        {
-            /// in the implementation, mpp_task_timeout is actually the task writing tunnel timeout
-            /// so make the mpp_task_running_timeout a little bigger than mpp_task_timeout
-            context->setSetting("mpp_task_running_timeout", task_request.timeout() + 30);
-        }
-    }
     context->getTimezoneInfo().resetByDAGRequest(dag_req);
 
     bool is_root_mpp_task = false;

dbms/src/Interpreters/Settings.h

@@ -49,9 +49,6 @@ struct Settings
     M(SettingInt64, batch_send_min_limit, DEFAULT_BATCH_SEND_MIN_LIMIT, "default minimal chunk size of exchanging data among TiFlash.")                                                                                                 \
     M(SettingInt64, batch_send_min_limit_compression, -1, "default minimal chunk size of exchanging data among TiFlash when using data compression.")                                                                                   \
     M(SettingInt64, schema_version, DEFAULT_UNSPECIFIED_SCHEMA_VERSION, "TiDB query schema version.")                                                                                                                                   \
-    M(SettingUInt64, mpp_task_timeout, DEFAULT_MPP_TASK_TIMEOUT, "mpp task max endurable time.")                                                                                                                                        \
-    M(SettingUInt64, mpp_task_running_timeout, DEFAULT_MPP_TASK_RUNNING_TIMEOUT, "mpp task max time that running without any progress.")                                                                                                \
-    M(SettingUInt64, mpp_task_waiting_timeout, DEFAULT_MPP_TASK_WAITING_TIMEOUT, "mpp task max time that waiting first data block from source input stream.")                                                                           \
     M(SettingInt64, safe_point_update_interval_seconds, 1, "The interval in seconds to update safe point from PD.")                                                                                                                     \
     M(SettingUInt64, max_block_size, DEFAULT_BLOCK_SIZE, "Maximum block rows for reading")                                                                                                                                              \
     M(SettingUInt64, max_block_bytes, DEFAULT_BLOCK_BYTES, "Maximum block bytes for reading")                                                                                                                                           \