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81 lines
2.2 KiB
81 lines
2.2 KiB
#include "gtest/gtest.h"
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#include "leveldb/env.h"
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#include "leveldb/db.h"
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#include "util/coding.h"
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#include <iostream>
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#include <chrono>
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using namespace std::chrono;
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using namespace leveldb;
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using Field=std::pair<Slice,Slice>;
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using FieldArray=std::vector<std::pair<Slice, Slice>>;
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int data_number=100000;
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Status OpenDB(std::string dbName, DB **db) {
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Options options;
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options.max_file_size=16*1024;
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options.write_buffer_size=32*1024;
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options.create_if_missing = true;
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return DB::Open(options, dbName, db);
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}
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TEST(Test, Garbage_Collect_TEST) {
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DB *db;
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WriteOptions writeOptions;
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ReadOptions readOptions;
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if(OpenDB("testdb_for_XOY_large", &db).ok() == false) {
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std::cerr << "open db failed" << std::endl;
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abort();
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}
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std::vector<std::string> values;
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for(int i=0;i<data_number;i++){
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std::string key=std::to_string(i);
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std::string value;
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for(int j=0;j<1000;j++){
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value+=std::to_string(i);
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}
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values.push_back(value);
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db->Put(writeOptions,key,value);
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}
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// for(int i=0;i<data_number;i++){
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// std::string key=std::to_string(i);
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// std::string value;
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// for(int j=0;j<1000;j++){
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// value+=std::to_string(i);
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// }
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// values.push_back(value);
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// db->Put(writeOptions,key,value);
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// }
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// Measure GC time
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auto start_time = high_resolution_clock::now();
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db->TEST_GarbageCollect();
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auto end_time = high_resolution_clock::now();
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auto duration = duration_cast<milliseconds>(end_time - start_time);
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std::cout << "GC finished. Time taken: " << duration.count() << " ms" << std::endl;
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for(int i=0;i<data_number;i++){
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// std::cout<<i<<std::endl;
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std::string key=std::to_string(i);
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std::string value;
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Status s=db->Get(readOptions,key,&value);
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assert(s.ok());
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if(values[i]!=value){
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std::cout<<value.size()<<std::endl;
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assert(0);
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}
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ASSERT_TRUE(values[i]==value);
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}
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delete db;
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}
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int main(int argc, char** argv) {
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// All tests currently run with the same read-only file limits.
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testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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