milvus/cpp/unittest/server/cache_test.cpp

52 lines
1.7 KiB
C++

////////////////////////////////////////////////////////////////////////////////
// Copyright 上海赜睿信息科技有限公司(Zilliz) - All Rights Reserved
// Unauthorized copying of this file, via any medium is strictly prohibited.
// Proprietary and confidential.
////////////////////////////////////////////////////////////////////////////////
#include <gtest/gtest.h>
#include "cache/CpuCacheMgr.h"
#include "cache/GpuCacheMgr.h"
#include "wrapper/Index.h"
using namespace zilliz::vecwise;
TEST(CacheTest, CACHE_TEST) {
cache::CacheMgr* cpu_mgr = cache::CpuCacheMgr::GetInstance();
const int64_t gbyte = 1 << 30;
int64_t g_num = 16;
int64_t cap = g_num*gbyte;
cpu_mgr->SetCapacity(cap);
ASSERT_EQ(cpu_mgr->CacheCapacity(), cap);
const int dim = 256;
for(int i = 0; i < 20; i++) {
std::shared_ptr<faiss::Index> raw_index(faiss::index_factory(dim, "IDMap,Flat"));
engine::Index_ptr index = std::make_shared<engine::Index>(raw_index);
index->ntotal = 1000000;//less 1G per index
cpu_mgr->InsertItem("index_" + std::to_string(i), index);
}
ASSERT_LT(cpu_mgr->ItemCount(), g_num);
{
std::string item = "index_15";
ASSERT_TRUE(cpu_mgr->ItemExists(item));
cpu_mgr->EraseItem(item);
ASSERT_FALSE(cpu_mgr->ItemExists(item));
}
{
g_num = 5;
cpu_mgr->SetCapacity(g_num * gbyte);
std::shared_ptr<faiss::Index> raw_index(faiss::index_factory(dim, "IDMap,Flat"));
engine::Index_ptr index = std::make_shared<engine::Index>(raw_index);
index->ntotal = 6000000;//6G less
cpu_mgr->InsertItem("index_6g", index);
ASSERT_EQ(cpu_mgr->ItemCount(), 0);//data greater than capacity can not be inserted sucessfully
}
}