diff options
Diffstat (limited to 'src/dbwrapper.cpp')
| -rw-r--r-- | src/dbwrapper.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/dbwrapper.cpp b/src/dbwrapper.cpp index 4e1e403f69..6cac625abc 100644 --- a/src/dbwrapper.cpp +++ b/src/dbwrapper.cpp @@ -89,6 +89,7 @@ static leveldb::Options GetOptions(size_t nCacheSize) } CDBWrapper::CDBWrapper(const fs::path& path, size_t nCacheSize, bool fMemory, bool fWipe, bool obfuscate) + : m_name(fs::basename(path)) { penv = nullptr; readoptions.verify_checksums = true; @@ -155,11 +156,30 @@ CDBWrapper::~CDBWrapper() bool CDBWrapper::WriteBatch(CDBBatch& batch, bool fSync) { + const bool log_memory = LogAcceptCategory(BCLog::LEVELDB); + double mem_before = 0; + if (log_memory) { + mem_before = DynamicMemoryUsage() / 1024 / 1024; + } leveldb::Status status = pdb->Write(fSync ? syncoptions : writeoptions, &batch.batch); dbwrapper_private::HandleError(status); + if (log_memory) { + double mem_after = DynamicMemoryUsage() / 1024 / 1024; + LogPrint(BCLog::LEVELDB, "WriteBatch memory usage: db=%s, before=%.1fMiB, after=%.1fMiB\n", + m_name, mem_before, mem_after); + } return true; } +size_t CDBWrapper::DynamicMemoryUsage() const { + std::string memory; + if (!pdb->GetProperty("leveldb.approximate-memory-usage", &memory)) { + LogPrint(BCLog::LEVELDB, "Failed to get approximate-memory-usage property\n"); + return 0; + } + return stoul(memory); +} + // Prefixed with null character to avoid collisions with other keys // // We must use a string constructor which specifies length so that we copy |