milvus/cpp/src/cache/CpuCacheMgr.cpp
wxyu 0712798938 MS-631 IVFSQ8H Index support
Former-commit-id: 21e17a20794e4fde31e79c4bbd4e26d46c79d886
2019-10-10 20:57:14 +08:00

70 lines
2.0 KiB
C++

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#include "cache/CpuCacheMgr.h"
#include "server/Config.h"
#include "utils/Log.h"
#include <utility>
namespace milvus {
namespace cache {
namespace {
constexpr int64_t unit = 1024 * 1024 * 1024;
}
CpuCacheMgr::CpuCacheMgr() {
server::Config& config = server::Config::GetInstance();
Status s;
int64_t cpu_cache_cap;
s = config.GetCacheConfigCpuCacheCapacity(cpu_cache_cap);
if (!s.ok()) {
SERVER_LOG_ERROR << s.message();
}
int64_t cap = cpu_cache_cap * unit;
cache_ = std::make_shared<Cache<DataObjPtr>>(cap, 1UL << 32);
float cpu_cache_threshold;
s = config.GetCacheConfigCpuCacheThreshold(cpu_cache_threshold);
if (!s.ok()) {
SERVER_LOG_ERROR << s.message();
}
if (cpu_cache_threshold > 0.0 && cpu_cache_threshold <= 1.0) {
cache_->set_freemem_percent(cpu_cache_threshold);
} else {
SERVER_LOG_ERROR << "Invalid cpu_cache_threshold: " << cpu_cache_threshold << ", by default set to "
<< cache_->freemem_percent();
}
}
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