218 lines
7.0 KiB
C++
218 lines
7.0 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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#include <string.h>
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#include <gtest/gtest.h>
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#define private public
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#include "logservice/palf/log_cache.h"
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#undef private
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#include "logservice/common_util/ob_log_time_utils.h"
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#include "share/ob_tenant_mem_limit_getter.h"
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#include "share/rc/ob_tenant_base.h"
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#include "logservice/palf/log_reader_utils.h"
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namespace oceanbase
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{
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namespace unittest
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{
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using namespace common;
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using namespace palf;
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using namespace logservice;
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using namespace share;
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static const int64_t KV_CACHE_WASH_TIMER_INTERVAL_US = 60 * _SEC_;
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static const int64_t DEFAULT_BUCKET_NUM = 10000000L;
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static const int64_t DEFAULT_MAX_CACHE_SIZE = 1024L * 1024L * 1024L * 1024L;
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class TestLogCache : public ::testing::Test
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{
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public:
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TestLogCache();
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~TestLogCache();
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virtual void SetUp();
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virtual void TearDown();
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};
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TestLogCache::TestLogCache()
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{
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}
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TestLogCache::~TestLogCache()
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{
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}
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void TestLogCache::SetUp()
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{
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// init cache
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ObKVGlobalCache::get_instance().init(&ObTenantMemLimitGetter::get_instance(),
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DEFAULT_BUCKET_NUM,
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DEFAULT_MAX_CACHE_SIZE,
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lib::ACHUNK_SIZE,
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KV_CACHE_WASH_TIMER_INTERVAL_US);
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OB_LOG_KV_CACHE.init(OB_LOG_KV_CACHE_NAME, 1);
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// init MTL
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ObMallocAllocator::get_instance()->create_and_add_tenant_allocator(1001);
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ObTenantBase tbase(1001);
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ObTenantEnv::set_tenant(&tbase);
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}
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void TestLogCache::TearDown()
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{
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PALF_LOG(INFO, "recycle_tenant_allocator start");
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OB_LOG_KV_CACHE.destroy();
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ObMallocAllocator::get_instance()->recycle_tenant_allocator(1001);
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}
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LogStorage log_storage;
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IPalfEnvImpl *palf_env_impl;
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TEST_F(TestLogCache, test_basic_func)
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{
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log_storage.is_inited_ = true;
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log_storage.logical_block_size_ = PALF_BLOCK_SIZE;
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const int64_t flashback_version = 0;
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int64_t palf_id = 1;
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LogColdCache cold_cache;
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cold_cache.init(palf_id, palf_env_impl, &log_storage);
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LSN lsn(0);
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int64_t in_read_size = MAX_LOG_BODY_SIZE;
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char *buf = reinterpret_cast<char *>(ob_malloc(MAX_LOG_BUFFER_SIZE, "LOG_KV_CACHE"));
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LogIteratorInfo iterator_info;
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{
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int64_t out_read_size = 0;
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EXPECT_EQ(OB_ENTRY_NOT_EXIST, cold_cache.get_cache_lines_(lsn, flashback_version, in_read_size, buf, out_read_size, &iterator_info));
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ReadBuf read_buf(buf, MAX_LOG_BUFFER_SIZE);
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EXPECT_EQ(OB_SUCCESS, cold_cache.fill_cache_lines_(flashback_version, lsn, MAX_LOG_BODY_SIZE, read_buf.buf_));
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}
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{
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iterator_info.reset();
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int64_t out_read_size = 0;
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in_read_size = 64 * 1024;
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EXPECT_EQ(OB_SUCCESS, cold_cache.get_cache_lines_(lsn, flashback_version, in_read_size, buf, out_read_size, &iterator_info));
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EXPECT_EQ(in_read_size, out_read_size);
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}
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{
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iterator_info.reset();
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int64_t out_read_size = 0;
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lsn.val_ = 1 * 1024 * 1024;
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EXPECT_EQ(OB_SUCCESS, cold_cache.get_cache_lines_(lsn, flashback_version, in_read_size, buf, out_read_size, &iterator_info));
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EXPECT_EQ(in_read_size, out_read_size);
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}
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{
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iterator_info.reset();
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int64_t out_read_size = 0;
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in_read_size = MAX_LOG_BODY_SIZE;
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EXPECT_EQ(OB_ENTRY_NOT_EXIST, cold_cache.get_cache_lines_(lsn, flashback_version, in_read_size, buf, out_read_size, &iterator_info));
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}
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ob_free(buf);
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buf = NULL;
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}
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TEST_F(TestLogCache, test_miss)
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{
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log_storage.is_inited_ = true;
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log_storage.logical_block_size_ = PALF_BLOCK_SIZE;
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const int64_t flashback_version = 0;
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int64_t palf_id = 1;
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LogColdCache cold_cache;
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cold_cache.init(palf_id, palf_env_impl, &log_storage);
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LogIteratorInfo iterator_info;
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// test miss when has_read_size != 0
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{
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LSN lsn(1024);
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LSN old_lsn(lsn);
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int64_t in_read_size = MAX_LOG_BODY_SIZE;
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int64_t out_read_size = 0;
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int64_t has_read_size = 5000;
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int64_t real_read_size = lower_align(has_read_size, LOG_DIO_ALIGN_SIZE);
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EXPECT_EQ(OB_SUCCESS, cold_cache.deal_with_miss_(true, has_read_size,lsn, in_read_size , out_read_size, &iterator_info));
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EXPECT_EQ(old_lsn.val_ + real_read_size, lsn.val_);
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EXPECT_EQ(MAX_LOG_BODY_SIZE - real_read_size, in_read_size);
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EXPECT_EQ(real_read_size, out_read_size);
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}
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// test miss for first read
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{
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iterator_info.reset();
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LSN lsn(67108864);
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LSN old_lsn(lsn);
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int64_t in_read_size = MAX_LOG_BODY_SIZE;
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int64_t has_read_size = 0;
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int64_t out_read_size = 0;
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EXPECT_EQ(OB_SUCCESS, cold_cache.deal_with_miss_(true, has_read_size, lsn, in_read_size , out_read_size, &iterator_info));
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EXPECT_EQ(PALF_BLOCK_SIZE, lsn.val_);
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EXPECT_EQ(MAX_LOG_BODY_SIZE + (old_lsn.val_ - lsn.val_), in_read_size);
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}
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}
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TEST_F(TestLogCache, test_flashback)
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{
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PALF_LOG(INFO, "begin flashback");
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log_storage.is_inited_ = true;
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log_storage.logical_block_size_ = PALF_BLOCK_SIZE;
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int64_t flashback_version = 0;
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int64_t palf_id = 1;
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LogColdCache cold_cache;
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cold_cache.init(palf_id, palf_env_impl, &log_storage);
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LSN lsn(0);
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int64_t in_read_size = MAX_LOG_BODY_SIZE;
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char *buf = reinterpret_cast<char *>(ob_malloc(MAX_LOG_BUFFER_SIZE, "LOG_KV_CACHE"));
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ReadBuf read_buf(buf, MAX_LOG_BUFFER_SIZE);
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LogIteratorInfo iterator_info;
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{
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int64_t out_read_size = 0;
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EXPECT_EQ(OB_ENTRY_NOT_EXIST, cold_cache.get_cache_lines_(lsn, flashback_version, in_read_size, buf, out_read_size, &iterator_info));
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EXPECT_EQ(OB_SUCCESS, cold_cache.fill_cache_lines_(flashback_version, lsn, MAX_LOG_BODY_SIZE, read_buf.buf_));
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}
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{
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iterator_info.reset();
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int64_t out_read_size = 0;
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flashback_version++;
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int64_t hit_cnt = cold_cache.log_cache_stat_.hit_cnt_;
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EXPECT_EQ(OB_ENTRY_NOT_EXIST, cold_cache.get_cache_lines_(lsn, flashback_version, in_read_size, buf, out_read_size, &iterator_info));
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EXPECT_EQ(hit_cnt, cold_cache.log_cache_stat_.hit_cnt_);
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}
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{
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iterator_info.reset();
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int64_t out_read_size = 0;
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EXPECT_EQ(OB_SUCCESS, cold_cache.fill_cache_lines_(flashback_version, lsn, MAX_LOG_BODY_SIZE, read_buf.buf_));
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in_read_size = 64 * 1024;
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int hit_cnt = cold_cache.log_cache_stat_.hit_cnt_;
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EXPECT_EQ(OB_SUCCESS, cold_cache.get_cache_lines_(lsn, flashback_version, in_read_size, buf, out_read_size, &iterator_info));
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EXPECT_LT(hit_cnt, cold_cache.log_cache_stat_.hit_cnt_);
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}
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ob_free(buf);
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buf = NULL;
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}
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} // end namespace unittest
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} // end namespace oceanbase
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int main(int argc, char **argv)
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{
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system("rm -f ./test_log_cache.log");
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OB_LOGGER.set_file_name("test_log_cache.log", true, true, "test_log_cache.rs.log");
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OB_LOGGER.set_log_level("TRACE");
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PALF_LOG(INFO, "begin unittest::test_log_cache");
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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