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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /src/rocksdb/utilities/memory/memory_util.cc | |
parent | Initial commit. (diff) | |
download | ceph-upstream/18.2.2.tar.xz ceph-upstream/18.2.2.zip |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/rocksdb/utilities/memory/memory_util.cc | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/rocksdb/utilities/memory/memory_util.cc b/src/rocksdb/utilities/memory/memory_util.cc new file mode 100644 index 000000000..13c81aec4 --- /dev/null +++ b/src/rocksdb/utilities/memory/memory_util.cc @@ -0,0 +1,52 @@ +// 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/db_impl.h" + +namespace ROCKSDB_NAMESPACE { + +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_NAMESPACE +#endif // !ROCKSDB_LITE |