Fix bugs of ddl reap old replica build task

src/rootserver/ddl_task/ob_ddl_redefinition_task.cpp

@@ -2238,7 +2238,7 @@ int ObSyncTabletAutoincSeqCtx::call_and_process_all_tablet_autoinc_seqs(P &proxy
   return ret;
 }
 
-int ObDDLRedefinitionTask::try_reap_old_replica_build_task()
+int ObDDLRedefinitionTask::reap_old_replica_build_task(bool &need_exec_new_inner_sql)
 {
   int ret = OB_SUCCESS;
   ObSchemaGetterGuard schema_guard;
@@ -2261,17 +2261,19 @@ int ObDDLRedefinitionTask::try_reap_old_replica_build_task()
     const ObTabletID unused_tablet_id;
     const ObDDLTaskInfo unused_addition_info;
     const int old_ret_code = OB_SUCCESS;
-    bool need_exec_new_inner_sql = true;
     ObAddr invalid_addr;
-    (void)ObCheckTabletDataComplementOp::check_and_wait_old_complement_task(tenant_id_, dest_table_id,
+    if (old_execution_id < 0) {
+      need_exec_new_inner_sql = true;
+    } else if (OB_FAIL(ObCheckTabletDataComplementOp::check_and_wait_old_complement_task(tenant_id_, dest_table_id,
         task_id_, old_execution_id, invalid_addr, trace_id_,
-        table_schema->get_schema_version(), snapshot_version_, need_exec_new_inner_sql);
+        table_schema->get_schema_version(), snapshot_version_, need_exec_new_inner_sql))) {
-    if (!need_exec_new_inner_sql) {
+      if (OB_EAGAIN != ret) {
-      if (OB_FAIL(update_complete_sstable_job_status(unused_tablet_id, snapshot_version_, old_execution_id, old_ret_code, unused_addition_info))) {
+        LOG_WARN("failed to check and wait old complement task", K(ret));
-        LOG_INFO("succ to wait and complete old task finished!", K(ret));
+      }
+    } else if (!need_exec_new_inner_sql) {
+      if (OB_FAIL(update_complete_sstable_job_status(unused_tablet_id, snapshot_version_, old_execution_id, old_ret_code, unused_addition_info))) {
+        LOG_WARN("failed to wait and complete old task finished!", K(ret));
       }
-    } else {
-      ret = OB_ENTRY_NOT_EXIST;
     }
   }
   return ret;

src/rootserver/ddl_task/ob_ddl_redefinition_task.h

@@ -126,7 +126,7 @@ public:
   virtual void flt_set_task_span_tag() const = 0;
   virtual void flt_set_status_span_tag() const = 0;
   virtual int cleanup_impl() override;
-  int try_reap_old_replica_build_task();
+  int reap_old_replica_build_task(bool &need_exec_new_inner_sql);
   INHERIT_TO_STRING_KV("ObDDLTask", ObDDLTask,
       K(wait_trans_ctx_), K(sync_tablet_autoinc_seq_ctx_), K(build_replica_request_time_),
       K(complete_sstable_job_ret_code_), K(snapshot_held_), K(has_synced_autoincrement_),

src/rootserver/ddl_task/ob_index_build_task.cpp

@@ -720,7 +720,7 @@ int ObIndexBuildTask::release_snapshot(const int64_t snapshot)
   return ret;
 }
 
-int ObIndexBuildTask::try_reap_old_replica_build_task()
+int ObIndexBuildTask::reap_old_replica_build_task(bool &need_exec_new_inner_sql)
 {
   int ret = OB_SUCCESS;
   ObSchemaGetterGuard schema_guard;
@@ -743,17 +743,19 @@ int ObIndexBuildTask::try_reap_old_replica_build_task()
     const ObTabletID unused_tablet_id;
     const ObDDLTaskInfo unused_addition_info;
     const int old_ret_code = OB_SUCCESS;
-    bool need_exec_new_inner_sql = true;
     ObAddr invalid_addr;
-    (void)ObCheckTabletDataComplementOp::check_and_wait_old_complement_task(tenant_id_, dest_table_id,
+    if (old_execution_id < 0) {
+      need_exec_new_inner_sql = true;
+    } else if (OB_FAIL(ObCheckTabletDataComplementOp::check_and_wait_old_complement_task(tenant_id_, dest_table_id,
         task_id_, old_execution_id, invalid_addr, trace_id_,
-        table_schema->get_schema_version(), snapshot_version_, need_exec_new_inner_sql);
+        table_schema->get_schema_version(), snapshot_version_, need_exec_new_inner_sql))) {
-    if (!need_exec_new_inner_sql) {
+      if (OB_EAGAIN != ret) {
+        LOG_WARN("failed to check and wait old complement task", K(ret));
+      }
+    } else if (!need_exec_new_inner_sql) {
       if (OB_FAIL(update_complete_sstable_job_status(unused_tablet_id, snapshot_version_, old_execution_id, old_ret_code, unused_addition_info))) {
         LOG_INFO("succ to wait and complete old task finished!", K(ret));
       }
-    } else {
-      ret = OB_ENTRY_NOT_EXIST;
     }
   }
   return ret;
@@ -855,7 +857,14 @@ int ObIndexBuildTask::wait_data_complement()
 
   // submit a job to complete sstable for the index table on snapshot_version
   if (OB_SUCC(ret) && !state_finished && !is_sstable_complete_task_submitted_) {
-    if (OB_SUCCESS == try_reap_old_replica_build_task()) {
+    bool need_exec_new_inner_sql = false;
+    if (OB_FAIL(reap_old_replica_build_task(need_exec_new_inner_sql))) {
+      if (OB_EAGAIN == ret) {
+        ret = OB_SUCCESS; // retry
+      } else {
+        LOG_WARN("failed to reap old task", K(ret));
+      }
+    } else if (!need_exec_new_inner_sql) {
       state_finished = true;
     } else if (OB_FAIL(send_build_single_replica_request())) {
       LOG_WARN("fail to send build single replica request", K(ret));

src/rootserver/ddl_task/ob_index_build_task.h

@@ -127,7 +127,7 @@ private:
       const share::schema::ObTableSchema &index_schema,
       const share::schema::ObIndexStatus new_status);
   int check_health();
-  int try_reap_old_replica_build_task();
+  int reap_old_replica_build_task(bool &need_exec_new_inner_sql);
   int send_build_single_replica_request();
   int check_build_single_replica(bool &is_end);
   int check_need_verify_checksum(bool &need_verify);

src/rootserver/ddl_task/ob_table_redefinition_task.cpp

@@ -323,7 +323,14 @@ int ObTableRedefinitionTask::table_redefinition(const ObDDLTaskStatus next_task_
   }
 
   if (OB_SUCC(ret) && !is_build_replica_end && 0 == build_replica_request_time_) {
-    if (OB_SUCCESS == try_reap_old_replica_build_task()) {
+    bool need_exec_new_inner_sql = false;
+    if (OB_FAIL(reap_old_replica_build_task(need_exec_new_inner_sql))) {
+      if (OB_EAGAIN == ret) {
+        ret = OB_SUCCESS; // retry
+      } else {
+        LOG_WARN("failed to reap old task", K(ret));
+      }
+    } else if (!need_exec_new_inner_sql) {
       is_build_replica_end = true;
     } else if (OB_FAIL(send_build_replica_request())) {
       LOG_WARN("fail to send build replica request", K(ret));

src/share/ob_ddl_common.cpp

@@ -1178,7 +1178,7 @@ int ObCheckTabletDataComplementOp::check_task_inner_sql_session_status(
   if (OB_ISNULL(root_service = GCTX.root_service_)) {
     ret = OB_ERR_SYS;
     LOG_WARN("fail to get sql proxy, root service is null.!");
-  } else if (OB_UNLIKELY(OB_INVALID_ID == tenant_id || trace_id.is_invalid() || !inner_sql_exec_addr.is_valid())) {
+  } else if (OB_UNLIKELY(OB_INVALID_ID == tenant_id || trace_id.is_invalid())) {
     ret = OB_INVALID_ARGUMENT;
     LOG_WARN("invalid argument", K(ret), K(tenant_id), K(trace_id), K(inner_sql_exec_addr));
   } else {
@@ -1240,8 +1240,6 @@ int ObCheckTabletDataComplementOp::check_task_inner_sql_session_status(
         while (OB_SUCC(ret)) {
           if (OB_FAIL(result->next())) {
             if (OB_ITER_END == ret) {
-              LOG_INFO("success to get result, and no inner sql task", K(ret), K(sql_string.ptr()),
-                K(ip_str), K(trace_id_str), K(tenant_id), K(sql_string));
               ret = OB_SUCCESS;
               break;
             } else {
@@ -1250,8 +1248,6 @@ int ObCheckTabletDataComplementOp::check_task_inner_sql_session_status(
           } else {
             is_old_task_session_exist =  true;
             EXTRACT_UINT_FIELD_MYSQL(*result, "session_id", session_id, uint64_t);
-            LOG_INFO("succ to match inner sql session in trace id", K(ret), K(sql_string.ptr()),
-              K(session_id), K(tenant_id), K(ip_str), K(trace_id_str), K(sql_string));
           }
         }
       }
@@ -1659,8 +1655,8 @@ int ObCheckTabletDataComplementOp::check_tablet_checksum_update_status(
       if (report_checksum_cnt == tablet_count) {
         is_checksums_all_report = true;
       } else {
-        ret = OB_EAGAIN;
+        is_checksums_all_report = false;
-        LOG_INFO("not all tablet has update checksum, will re-check",
+        LOG_INFO("not all tablet has update checksum",
           K(ret), K(tablet_idx), K(tablet_count), K(is_checksums_all_report));
       }
     }
@@ -1728,7 +1724,7 @@ int ObCheckTabletDataComplementOp::check_finish_report_checksum(
   } else if (OB_FAIL(check_tablet_checksum_update_status(tenant_id, index_table_id, ddl_task_id, execution_id, dest_tablet_ids, is_checksums_all_report))) {
     LOG_WARN("fail to check tablet checksum update status, maybe EAGAIN", K(ret), K(tenant_id), K(dest_tablet_ids), K(execution_id));
   } else if (!is_checksums_all_report) {
-    ret = OB_ERR_UNEXPECTED;
+    ret = OB_EAGAIN;
     LOG_WARN("tablets checksum not all report!", K(is_checksums_all_report), K(ret));
   }
   return ret;
@@ -1761,15 +1757,12 @@ int ObCheckTabletDataComplementOp::check_and_wait_old_complement_task(
     ret = OB_INVALID_ARGUMENT;
     LOG_WARN("fail to check and wait complement task", K(ret), K(tenant_id), K(table_id));
   } else {
-    LOG_INFO("start to check and wait complement task", K(tenant_id), K(table_id), K(inner_sql_exec_addr), K(trace_id));
-    while (OB_SUCC(ret) && is_old_task_session_exist) {
     if (OB_FAIL(check_task_inner_sql_session_status(inner_sql_exec_addr, trace_id, tenant_id, execution_id, scn, is_old_task_session_exist))) {
       LOG_WARN("fail check task inner sql session status", K(ret), K(trace_id), K(inner_sql_exec_addr));
-      } else if (!is_old_task_session_exist) {
+    } else if (is_old_task_session_exist) {
-        LOG_WARN("old inner sql session is not exist.", K(ret));
+      ret = OB_EAGAIN;
     } else {
-        usleep(10 * 1000); // sleep 10ms
+      LOG_INFO("old inner sql session is not exist.", K(ret));
-      }
     }
 
     // After old session exits, the rule of retry is specified as follows
@@ -1787,6 +1780,8 @@ int ObCheckTabletDataComplementOp::check_and_wait_old_complement_task(
 
     ObArray<ObTabletID> dest_tablet_ids;
     if (OB_FAIL(ret)) {
+    } else if (OB_FAIL(ObDDLUtil::get_tablets(tenant_id, table_id, dest_tablet_ids))) {
+      LOG_WARN("fail to get tablets", K(ret), K(tenant_id), K(table_id));
     } else if (OB_FAIL(check_tablet_checksum_update_status(tenant_id, table_id, ddl_task_id, execution_id, dest_tablet_ids, is_dst_checksums_all_report))) {
       LOG_WARN("fail to check tablet checksum update status.", K(ret), K(tenant_id), K(dest_tablet_ids), K(execution_id));
     } else if (is_dst_checksums_all_report) {
@@ -1794,8 +1789,9 @@ int ObCheckTabletDataComplementOp::check_and_wait_old_complement_task(
       LOG_INFO("no need execute because all tablet sstable has build finished", K(need_exec_new_inner_sql));
     }
   }
+  if (OB_EAGAIN != ret) {
     LOG_INFO("end to check and wait complement task", K(ret),
       K(table_id), K(is_old_task_session_exist), K(is_dst_checksums_all_report), K(need_exec_new_inner_sql));
-
+  }
   return ret;
 }