milvus/core/src/cache/CpuCacheMgr.cpp

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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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#include "cache/CpuCacheMgr.h"
#include "server/Config.h"
#include "utils/Log.h"

#include <fiu-local.h>
#include <utility>

namespace milvus {
namespace cache {

namespace {
constexpr int64_t unit = 1024 * 1024 * 1024;
}

CpuCacheMgr::CpuCacheMgr() {
    // All config values have been checked in Config::ValidateConfig()
    server::Config& config = server::Config::GetInstance();

    int64_t cpu_cache_cap;
    config.GetCacheConfigCpuCacheCapacity(cpu_cache_cap);
    int64_t cap = cpu_cache_cap * unit;
    cache_ = std::make_shared<Cache<DataObjPtr>>(cap, 1UL << 32);

    float cpu_cache_threshold;
    config.GetCacheConfigCpuCacheThreshold(cpu_cache_threshold);
    cache_->set_freemem_percent(cpu_cache_threshold);
}

CpuCacheMgr*
CpuCacheMgr::GetInstance() {
    static CpuCacheMgr s_mgr;
    return &s_mgr;
}

DataObjPtr
CpuCacheMgr::GetIndex(const std::string& key) {
    DataObjPtr obj = GetItem(key);
    return obj;
}

}  // namespace cache
}  // namespace milvus