236 lines
		
	
	
		
			9.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			236 lines
		
	
	
		
			9.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /**
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|  * Copyright (c) 2021 OceanBase
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|  * OceanBase CE is licensed under Mulan PubL v2.
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|  * You can use this software according to the terms and conditions of the Mulan PubL v2.
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|  * You may obtain a copy of Mulan PubL v2 at:
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|  *          http://license.coscl.org.cn/MulanPubL-2.0
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|  * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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|  * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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|  * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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|  * See the Mulan PubL v2 for more details.
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|  */
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| 
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| #define USING_LOG_PREFIX SHARE
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| #include <gtest/gtest.h>
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| #include <random>
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| #include <string>
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| #include <pthread.h>
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| 
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| #include "lib/ob_define.h"
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| #include "lib/utility/ob_print_utils.h" // Print*
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| #include "logservice/palf/log_define.h"
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| #include "share/ob_throttling_utils.h"
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| 
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| 
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| namespace oceanbase
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| {
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| using namespace share;
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| using namespace common;
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| namespace unittest
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| {
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| 
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| class TestThrottlingUtils : public ::testing::Test
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| {
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|   public:
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|     TestThrottlingUtils();
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|     virtual ~TestThrottlingUtils();
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|     virtual void test_get_throttling_interval_size(
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|         const int64_t chunk_size, const int64_t request_size,
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|         const int64_t trigger_limit, const int64_t stop_limit,
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|         const int64_t overused_size, const double decay_factor);
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|     virtual void test_get_throttling_interval_percentage(
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|         const int64_t chunk_size, const int64_t request_size,
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|         const int64_t trigger_limit, const int64_t stop_limit,
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|         const int64_t overused_percentage, const double decay_factor);
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|     virtual void test_get_throttling_interval(
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|         const int64_t chunk_size, const int64_t request_size,
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|         const int64_t trigger_limit, const int64_t stop_limit,
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|         const double decay_factor);
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|     virtual void SetUp();
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|     virtual void TearDown();
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|   protected:
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| };
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| 
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| TestThrottlingUtils::TestThrottlingUtils()  {}
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| 
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| TestThrottlingUtils::~TestThrottlingUtils()
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| {
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| }
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| 
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| void TestThrottlingUtils::test_get_throttling_interval_size(
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|     const int64_t chunk_size, const int64_t request_size,
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|     const int64_t trigger_limit, const int64_t stop_limit,
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|     const int64_t overused_size, const double decay_factor)
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| {
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|   int ret = OB_SUCCESS;
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|   const int64_t GB = 1024 * 1024 * 1024L;
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|   const int64_t MB = 1024 * 1024L;
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|   const int64_t cur_hold = trigger_limit + overused_size;
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|   int64_t interval_us = 0;
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|   ASSERT_EQ(OB_SUCCESS, ObThrottlingUtils::get_throttling_interval(chunk_size, request_size, trigger_limit,
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|   cur_hold, decay_factor, interval_us));
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|   LOG_INFO("get_interval", K(interval_us), K(request_size), "overused_size(MB)", overused_size/MB, "cur_hold(GB)", cur_hold /GB, "trigger_limit(GB)",
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|   trigger_limit / GB, "stop_limit", stop_limit/GB, K(interval_us));
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| }
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| 
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| void TestThrottlingUtils::test_get_throttling_interval_percentage(
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|     const int64_t chunk_size, const int64_t request_size,
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|     const int64_t trigger_limit, const int64_t stop_limit,
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|     const int64_t overused_percentage, const double decay_factor)
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| {
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|   int ret = OB_SUCCESS;
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|   const int64_t GB = 1024 * 1024 * 1024L;
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|   const int64_t MB = 1024 * 1024L;
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|   const int64_t overused_size = (stop_limit-trigger_limit) * overused_percentage / 100;
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|   const int64_t cur_hold = trigger_limit + overused_size;
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|   int64_t interval_us = 0;
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|   ASSERT_EQ(OB_SUCCESS, ObThrottlingUtils::get_throttling_interval(chunk_size, request_size, trigger_limit, cur_hold, decay_factor, interval_us));
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|   LOG_INFO("get_interval", K(interval_us), K(request_size), K(overused_percentage), "cur_hold(GB)", cur_hold / GB, "trigger_limit(GB)",
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|   trigger_limit / GB, "stop_limit", stop_limit/GB);
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| }
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| 
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| void TestThrottlingUtils::test_get_throttling_interval(
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|     const int64_t chunk_size, const int64_t request_size,
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|     const int64_t trigger_limit, const int64_t stop_limit,
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|     const double decay_factor)
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| {
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|   const int64_t GB = 1024 * 1024 * 1024L;
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|   const int64_t MB = 1024 * 1024L;
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|   LOG_INFO("BEGIN TEST big round", K(chunk_size), K(request_size), K(trigger_limit), K(stop_limit), K(decay_factor));
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|   int64_t interval_us = 0;
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|   int64_t overused_size = 1 * MB;
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|   test_get_throttling_interval_size(chunk_size, request_size, trigger_limit, stop_limit, overused_size, decay_factor);
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| 
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|   overused_size = 10 * MB;
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|   test_get_throttling_interval_size(chunk_size, request_size, trigger_limit, stop_limit, overused_size, decay_factor);
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| 
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|   overused_size = 100 * MB;
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|   test_get_throttling_interval_size(chunk_size, request_size, trigger_limit, stop_limit, overused_size, decay_factor);
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| 
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|   overused_size = 200 * MB;
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|   test_get_throttling_interval_size(chunk_size, request_size, trigger_limit, stop_limit, overused_size, decay_factor);
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| 
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|   overused_size = 300 * MB;
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|   test_get_throttling_interval_size(chunk_size, request_size, trigger_limit, stop_limit, overused_size, decay_factor);
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| 
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|   overused_size = 400 * MB;
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|   test_get_throttling_interval_size(chunk_size, request_size, trigger_limit, stop_limit, overused_size, decay_factor);
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| 
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|   overused_size = 500 * MB;
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|   test_get_throttling_interval_size(chunk_size, request_size, trigger_limit, stop_limit, overused_size, decay_factor);
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| 
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|   overused_size = 1 * GB;
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|   test_get_throttling_interval_size(chunk_size, request_size, trigger_limit, stop_limit, overused_size, decay_factor);
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| 
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| 
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|   int64_t overused_percentage = 1;
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|   test_get_throttling_interval_percentage(chunk_size, request_size, trigger_limit, stop_limit, overused_percentage, decay_factor);
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| 
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|   overused_percentage = 5;
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|   test_get_throttling_interval_percentage(chunk_size, request_size, trigger_limit, stop_limit, overused_percentage, decay_factor);
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| 
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|   for (overused_percentage = 10; overused_percentage < 100; overused_percentage += 10) {
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|     test_get_throttling_interval_percentage(chunk_size, request_size, trigger_limit,
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|                                       stop_limit, overused_percentage,
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|                                       decay_factor);
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|   }
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|   LOG_INFO("END TEST big round", K(chunk_size), K(request_size), K(trigger_limit), K(stop_limit), K(decay_factor));
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| }
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| 
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| void TestThrottlingUtils::SetUp()
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| {
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| }
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| 
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| void TestThrottlingUtils::TearDown()
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| {
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|   LOG_INFO("TestThrottlingUtils has TearDown");
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|   //ObMallocAllocator::get_instance()->recycle_tenant_allocator(1001);
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| }
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| 
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| TEST_F(TestThrottlingUtils, test_calc_decay_factor)
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| {
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|   const int64_t GB = 1024 * 1024 * 1024L;
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|   const int64_t MB = 1024 * 1024L;
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|   int64_t available_size = 0;
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|   int64_t duration_us = 0;
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|   int64_t chunk_size = 0;
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|   double decay_factor = 0.0;
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|   ASSERT_EQ(OB_INVALID_ARGUMENT,  ObThrottlingUtils::calc_decay_factor(available_size, duration_us, chunk_size, decay_factor));
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|   available_size = 1 * GB;
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|   ASSERT_EQ(OB_INVALID_ARGUMENT,  ObThrottlingUtils::calc_decay_factor(available_size, duration_us, chunk_size, decay_factor));
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|   duration_us = 1800 * 1000 * 1000L;
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|   ASSERT_EQ(OB_INVALID_ARGUMENT,  ObThrottlingUtils::calc_decay_factor(available_size, duration_us, chunk_size, decay_factor));
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|   chunk_size = 2 * 1024 * 1024 + 24 * 1024;
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|   ASSERT_EQ(OB_SUCCESS,  ObThrottlingUtils::calc_decay_factor(available_size, duration_us, chunk_size, decay_factor));
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|   //0.10934
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|   LOG_INFO("calc_decay_factor", K(chunk_size), K(duration_us), K(available_size), K(decay_factor));
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|   ASSERT_EQ(10933, static_cast<int64_t>(decay_factor * 100000.0));
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|   available_size = 10 * GB;
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| 
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|   ASSERT_EQ(OB_SUCCESS,  ObThrottlingUtils::calc_decay_factor(available_size, duration_us, chunk_size, decay_factor));
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|   LOG_INFO("calc_decay_factor", K(chunk_size), K(duration_us), K(available_size), K(decay_factor));
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|   ASSERT_EQ(109728, static_cast<int64_t>(decay_factor * 10000000000.0));
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|   available_size = 40 * GB;
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|   ASSERT_EQ(OB_SUCCESS,  ObThrottlingUtils::calc_decay_factor(available_size, duration_us, chunk_size, decay_factor));
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|   LOG_INFO("calc_decay_factor", K(chunk_size), K(duration_us), K(available_size), K(decay_factor));
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|   ASSERT_EQ(42875, static_cast<int64_t>(decay_factor * 1000000000000.0));
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| }
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| 
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| TEST_F(TestThrottlingUtils, test_get_throttling_interval_basic)
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| {
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|   const int64_t KB = 1024L;
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|   const int64_t MB = 1024 * 1024L;
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|   const int64_t GB = 1024 * 1024 * 1024L;
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|   int64_t chunk_size = 0;
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|   int64_t request_size = 0;
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|   int64_t trigger_limit = 0;
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|   int64_t cur_hold = 0;
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|   double decay_factor = 0.0;
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| 
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|   int64_t interval_us = 0;
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|   ASSERT_EQ(OB_INVALID_ARGUMENT, ObThrottlingUtils::get_throttling_interval(chunk_size, request_size,  trigger_limit, cur_hold, decay_factor, interval_us));
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| 
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|   chunk_size = palf::MAX_LOG_BUFFER_SIZE;
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|   request_size = 1 * MB;
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|   trigger_limit = 50 * GB;
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|   int64_t stop_limit = 95 * GB;
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|   cur_hold = 51 * GB;
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| 
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|   int64_t available_size = 40 * GB;
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|   int64_t duration_us = 1800 * 1000 * 1000L;
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|   ASSERT_EQ(OB_SUCCESS, ObThrottlingUtils::calc_decay_factor(available_size, duration_us, chunk_size, decay_factor));
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|   request_size = 1 * KB;
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|   LOG_INFO("TEST REQUEST_SIZE", K(request_size));
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|   test_get_throttling_interval(chunk_size, request_size, trigger_limit, stop_limit, decay_factor);
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| 
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|   request_size = 10 * KB;
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|   LOG_INFO("TEST REQUEST_SIZE", K(request_size));
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|   test_get_throttling_interval(chunk_size, request_size, trigger_limit, stop_limit, decay_factor);
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| 
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|   request_size = 100 * KB;
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|   LOG_INFO("TEST REQUEST_SIZE", K(request_size));
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|   test_get_throttling_interval(chunk_size, request_size, trigger_limit, stop_limit, decay_factor);
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| 
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|   request_size = 1 * MB;
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|   LOG_INFO("TEST REQUEST_SIZE", K(request_size));
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|   test_get_throttling_interval(chunk_size, request_size, trigger_limit, stop_limit, decay_factor);
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| 
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|   request_size = palf::MAX_LOG_BUFFER_SIZE;
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|   LOG_INFO("TEST REQUEST_SIZE", K(request_size));
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|   test_get_throttling_interval(chunk_size, request_size, trigger_limit, stop_limit, decay_factor);
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| 
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| }
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| 
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| } // END of unittest
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| } // end of oceanbase
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| 
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| int main(int argc, char **argv)
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| {
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|   system("rm -rf ./test_throttling_utils.log*");
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|   OB_LOGGER.set_file_name("test_throttling_utils.log", true);
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|   OB_LOGGER.set_log_level("INFO");
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|   LOG_INFO("begin unittest::test_throttling_utils");
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|   ::testing::InitGoogleTest(&argc, argv);
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|   return RUN_ALL_TESTS();
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| }
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