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unittest/storage/test_table_store_stat_mgr.cpp

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+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
+#include <gtest/gtest.h>
+#include "storage/ob_table_store_stat_mgr.h"
+namespace oceanbase {
+using namespace common;
+using namespace storage;
+namespace unittest {
+TEST(TestTableStoreStatMgr, normal)
+{
+  _OB_LOG(INFO,
+      "sizeof(key)=%ld, sizeof(node)=%ld, sizeof(stat)=%ld",
+      sizeof(ObTableStoreStatKey),
+      sizeof(ObTableStoreStatNode),
+      sizeof(ObTableStoreStat));
+  ObTableStoreStatMgr::get_instance().destroy();
+  int ret = OB_SUCCESS;
+  ObTableStoreStat stat;
+  stat.pkey_.init(1, 1, 0);
+  stat.row_cache_miss_cnt_ = 101;
+
+  // init test
+  ret = ObTableStoreStatMgr::get_instance().report_stat(stat);
+  ASSERT_EQ(OB_NOT_INIT, ret);
+  ret = ObTableStoreStatMgr::get_instance().init(0);
+  ASSERT_EQ(OB_INVALID_ARGUMENT, ret);
+  ret = ObTableStoreStatMgr::get_instance().init(100000000);
+  ASSERT_EQ(OB_INVALID_ARGUMENT, ret);
+  ret = ObTableStoreStatMgr::get_instance().init(1);
+  ASSERT_EQ(OB_SUCCESS, ret);
+  ObTableStoreStatMgr::get_instance().destroy();
+  ObTableStoreStatMgr::get_instance().destroy();
+
+  // only 1 node
+  ret = ObTableStoreStatMgr::get_instance().init(1);
+  ASSERT_EQ(OB_SUCCESS, ret);
+  ret = ObTableStoreStatMgr::get_instance().report_stat(stat);
+  ASSERT_EQ(OB_SUCCESS, ret);
+
+  ObTableStoreStat output;
+  ObTableStoreStatIterator iter;
+  sleep(2);
+  ret = iter.open();
+  ASSERT_EQ(OB_SUCCESS, ret);
+  ret = iter.get_next_stat(output);
+  ASSERT_EQ(OB_SUCCESS, ret);
+  ASSERT_EQ(1, output.pkey_.get_table_id());
+  ASSERT_EQ(1, output.pkey_.get_partition_id());
+  ASSERT_EQ(101, output.row_cache_miss_cnt_);
+  ret = iter.get_next_stat(output);
+  ASSERT_EQ(OB_ITER_END, ret);
+
+  // report again
+  ret = ObTableStoreStatMgr::get_instance().report_stat(stat);
+  ASSERT_EQ(OB_SUCCESS, ret);
+  iter.reset();
+  sleep(2);
+  ret = iter.open();
+  ASSERT_EQ(OB_SUCCESS, ret);
+  ret = iter.get_next_stat(output);
+  ASSERT_EQ(OB_SUCCESS, ret);
+  ASSERT_EQ(1, output.pkey_.get_table_id());
+  ASSERT_EQ(1, output.pkey_.get_partition_id());
+  ASSERT_EQ(202, output.row_cache_miss_cnt_);
+
+  // report a new partition
+  stat.pkey_.init(1, 2, 0);
+  stat.row_cache_miss_cnt_ = 44;
+  ret = ObTableStoreStatMgr::get_instance().report_stat(stat);
+  ASSERT_EQ(OB_SUCCESS, ret);
+  iter.reset();
+  sleep(2);
+  ret = iter.open();
+  ASSERT_EQ(OB_SUCCESS, ret);
+  ret = iter.get_next_stat(output);
+  ASSERT_EQ(OB_SUCCESS, ret);
+  ASSERT_EQ(1, output.pkey_.get_table_id());
+  ASSERT_EQ(2, output.pkey_.get_partition_id());
+  ASSERT_EQ(44, output.row_cache_miss_cnt_);
+
+  ObTableStoreStatMgr::get_instance().destroy();
+}
+
+TEST(TestTableStoreStatMgr, lru)
+{
+  ObTableStoreStatMgr::get_instance().destroy();
+  int ret = OB_SUCCESS;
+  ObTableStoreStat stat;
+  ObTableStoreStat output;
+  ObTableStoreStatIterator iter;
+
+  ret = ObTableStoreStatMgr::get_instance().init(2);
+  ASSERT_EQ(OB_SUCCESS, ret);
+
+  // report several partitions
+  for (int64_t i = 1; i <= 4; i++) {
+    stat.pkey_.init(i, i, 0);
+    stat.row_cache_miss_cnt_ = 100 + i;
+    ret = ObTableStoreStatMgr::get_instance().report_stat(stat);
+    ASSERT_EQ(OB_SUCCESS, ret);
+  }
+  // only 2 node, so after report 4 stats, stat #1 was evict by #3, stat #2 was evict by #4
+
+  // iter stat
+  sleep(2);
+  ret = iter.open();
+  ASSERT_EQ(OB_SUCCESS, ret);
+  ret = iter.get_next_stat(output);
+  ASSERT_EQ(OB_SUCCESS, ret);
+  ASSERT_EQ(3, output.pkey_.get_table_id());
+  ASSERT_EQ(3, output.pkey_.get_partition_id());
+  ASSERT_EQ(103, output.row_cache_miss_cnt_);
+  ret = iter.get_next_stat(output);
+  ASSERT_EQ(OB_SUCCESS, ret);
+  ASSERT_EQ(4, output.pkey_.get_table_id());
+  ASSERT_EQ(4, output.pkey_.get_partition_id());
+  ASSERT_EQ(104, output.row_cache_miss_cnt_);
+  ObTableStoreStatMgr::get_instance().destroy();
+}
+}  // end namespace unittest
+}  // end namespace oceanbase
+
+int main(int argc, char** argv)
+{
+  system("rm -f test_table_store_stat_mgr.log*");
+  OB_LOGGER.set_file_name("test_table_store_stat_mgr.log", true, true);
+  OB_LOGGER.set_log_level("INFO");
+  testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}