mirror of https://github.com/facebook/rocksdb.git
53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
|
|
// This source code is licensed under both the GPLv2 (found in the
|
|
// COPYING file in the root directory) and Apache 2.0 License
|
|
// (found in the LICENSE.Apache file in the root directory).
|
|
|
|
#ifndef ROCKSDB_LITE
|
|
|
|
#include "rocksdb/utilities/memory_util.h"
|
|
|
|
#include "db/db_impl.h"
|
|
|
|
namespace rocksdb {
|
|
|
|
Status MemoryUtil::GetApproximateMemoryUsageByType(
|
|
const std::vector<DB*>& dbs,
|
|
const std::unordered_set<const Cache*> cache_set,
|
|
std::map<MemoryUtil::UsageType, uint64_t>* usage_by_type) {
|
|
usage_by_type->clear();
|
|
|
|
// MemTable
|
|
for (auto* db : dbs) {
|
|
uint64_t usage = 0;
|
|
if (db->GetAggregatedIntProperty(DB::Properties::kSizeAllMemTables,
|
|
&usage)) {
|
|
(*usage_by_type)[MemoryUtil::kMemTableTotal] += usage;
|
|
}
|
|
if (db->GetAggregatedIntProperty(DB::Properties::kCurSizeAllMemTables,
|
|
&usage)) {
|
|
(*usage_by_type)[MemoryUtil::kMemTableUnFlushed] += usage;
|
|
}
|
|
}
|
|
|
|
// Table Readers
|
|
for (auto* db : dbs) {
|
|
uint64_t usage = 0;
|
|
if (db->GetAggregatedIntProperty(DB::Properties::kEstimateTableReadersMem,
|
|
&usage)) {
|
|
(*usage_by_type)[MemoryUtil::kTableReadersTotal] += usage;
|
|
}
|
|
}
|
|
|
|
// Cache
|
|
for (const auto* cache : cache_set) {
|
|
if (cache != nullptr) {
|
|
(*usage_by_type)[MemoryUtil::kCacheTotal] += cache->GetUsage();
|
|
}
|
|
}
|
|
|
|
return Status::OK();
|
|
}
|
|
} // namespace rocksdb
|
|
#endif // !ROCKSDB_LITE
|