diff options
Diffstat (limited to 'src/blockchain_db/lmdb')
| -rw-r--r-- | src/blockchain_db/lmdb/db_lmdb.cpp | 84 | ||||
| -rw-r--r-- | src/blockchain_db/lmdb/db_lmdb.h | 3 |
2 files changed, 24 insertions, 63 deletions
diff --git a/src/blockchain_db/lmdb/db_lmdb.cpp b/src/blockchain_db/lmdb/db_lmdb.cpp index a6eb3d880..d854cbeaf 100644 --- a/src/blockchain_db/lmdb/db_lmdb.cpp +++ b/src/blockchain_db/lmdb/db_lmdb.cpp @@ -545,8 +545,8 @@ bool BlockchainLMDB::need_resize(uint64_t threshold_size) const LOG_PRINT_L1("Space used: " << size_used); LOG_PRINT_L1("Space remaining: " << mei.me_mapsize - size_used); LOG_PRINT_L1("Size threshold: " << threshold_size); - float resize_percent_old = RESIZE_PERCENT; - LOG_PRINT_L1(boost::format("Percent used: %.04f Percent threshold: %.04f") % ((double)size_used/mei.me_mapsize) % resize_percent_old); + float resize_percent = RESIZE_PERCENT; + LOG_PRINT_L1(boost::format("Percent used: %.04f Percent threshold: %.04f") % ((double)size_used/mei.me_mapsize) % resize_percent); if (threshold_size > 0) { @@ -559,10 +559,6 @@ bool BlockchainLMDB::need_resize(uint64_t threshold_size) const return false; } - std::mt19937 engine(std::random_device{}()); - std::uniform_real_distribution<double> fdis(0.6, 0.9); - double resize_percent = fdis(engine); - if ((double)size_used / mei.me_mapsize > resize_percent) { LOG_PRINT_L1("Threshold met (percent-based)"); @@ -1200,8 +1196,12 @@ void BlockchainLMDB::open(const std::string& filename, const int db_flags) throw DB_ERROR("Database could not be opened"); } - if (tools::is_hdd(filename.c_str())) - MCLOG_RED(el::Level::Warning, "global", "The blockchain is on a rotating drive: this will be very slow, use a SSD if possible"); + boost::optional<bool> is_hdd_result = tools::is_hdd(filename.c_str()); + if (is_hdd_result) + { + if (is_hdd_result.value()) + MCLOG_RED(el::Level::Warning, "global", "The blockchain is on a rotating drive: this will be very slow, use a SSD if possible"); + } m_folder = filename; @@ -1971,14 +1971,25 @@ std::vector<uint64_t> BlockchainLMDB::get_block_cumulative_rct_outputs(const std MDB_val v; + uint64_t prev_height = heights[0]; for (uint64_t height: heights) { - MDB_val_set(v, height); - result = mdb_cursor_get(m_cur_block_info, (MDB_val *)&zerokval, &v, MDB_GET_BOTH); + if (height == prev_height + 1) + { + MDB_val k2; + result = mdb_cursor_get(m_cur_block_info, &k2, &v, MDB_NEXT); + } + else + { + v.mv_size = sizeof(uint64_t); + v.mv_data = (void*)&height; + result = mdb_cursor_get(m_cur_block_info, (MDB_val *)&zerokval, &v, MDB_GET_BOTH); + } if (result) throw0(DB_ERROR(lmdb_error("Error attempting to retrieve rct distribution from the db: ", result).c_str())); const mdb_block_info *bi = (const mdb_block_info *)v.mv_data; res.push_back(bi->bi_cum_rct); + prev_height = height; } TXN_POSTFIX_RDONLY(); @@ -2454,55 +2465,6 @@ uint64_t BlockchainLMDB::get_num_outputs(const uint64_t& amount) const return num_elems; } -// This is a lot harder now that we've removed the output_keys index -output_data_t BlockchainLMDB::get_output_key(const uint64_t &global_index) const -{ - LOG_PRINT_L3("BlockchainLMDB::" << __func__ << " (unused version - does nothing)"); - check_open(); - TXN_PREFIX_RDONLY(); - RCURSOR(output_txs); - RCURSOR(tx_indices); - - output_data_t od; - MDB_val_set(v, global_index); - auto get_result = mdb_cursor_get(m_cur_output_txs, (MDB_val *)&zerokval, &v, MDB_GET_BOTH); - if (get_result == MDB_NOTFOUND) - throw1(OUTPUT_DNE("output with given index not in db")); - else if (get_result) - throw0(DB_ERROR("DB error attempting to fetch output tx hash")); - - outtx *ot = (outtx *)v.mv_data; - - MDB_val_set(val_h, ot->tx_hash); - get_result = mdb_cursor_get(m_cur_tx_indices, (MDB_val *)&zerokval, &val_h, MDB_GET_BOTH); - if (get_result) - throw0(DB_ERROR(lmdb_error(std::string("DB error attempting to fetch transaction index from hash ") + epee::string_tools::pod_to_hex(ot->tx_hash) + ": ", get_result).c_str())); - - txindex *tip = (txindex *)val_h.mv_data; - MDB_val_set(val_tx_id, tip->data.tx_id); - MDB_val result; - get_result = mdb_cursor_get(m_cur_txs_pruned, &val_tx_id, &result, MDB_SET); - if (get_result == MDB_NOTFOUND) - throw1(TX_DNE(std::string("tx with hash ").append(epee::string_tools::pod_to_hex(ot->tx_hash)).append(" not found in db").c_str())); - else if (get_result) - throw0(DB_ERROR(lmdb_error("DB error attempting to fetch tx from hash", get_result).c_str())); - - blobdata bd; - bd.assign(reinterpret_cast<char*>(result.mv_data), result.mv_size); - - transaction tx; - if (!parse_and_validate_tx_base_from_blob(bd, tx)) - throw0(DB_ERROR("Failed to parse tx from blob retrieved from the db")); - - const tx_out tx_output = tx.vout[ot->local_index]; - od.unlock_time = tip->data.unlock_time; - od.height = tip->data.block_id; - od.pubkey = boost::get<txout_to_key>(tx_output.target).key; - - TXN_POSTFIX_RDONLY(); - return od; -} - output_data_t BlockchainLMDB::get_output_key(const uint64_t& amount, const uint64_t& index) { LOG_PRINT_L3("BlockchainLMDB::" << __func__); @@ -2985,10 +2947,10 @@ void BlockchainLMDB::set_batch_transactions(bool batch_transactions) LOG_PRINT_L3("BlockchainLMDB::" << __func__); if ((batch_transactions) && (m_batch_transactions)) { - LOG_PRINT_L0("WARNING: batch transaction mode already enabled, but asked to enable batch mode"); + MINFO("batch transaction mode already enabled, but asked to enable batch mode"); } m_batch_transactions = batch_transactions; - LOG_PRINT_L3("batch transactions " << (m_batch_transactions ? "enabled" : "disabled")); + MINFO("batch transactions " << (m_batch_transactions ? "enabled" : "disabled")); } // return true if we started the txn, false if already started diff --git a/src/blockchain_db/lmdb/db_lmdb.h b/src/blockchain_db/lmdb/db_lmdb.h index 8b214d2df..f700d3178 100644 --- a/src/blockchain_db/lmdb/db_lmdb.h +++ b/src/blockchain_db/lmdb/db_lmdb.h @@ -243,7 +243,6 @@ public: virtual uint64_t get_num_outputs(const uint64_t& amount) const; virtual output_data_t get_output_key(const uint64_t& amount, const uint64_t& index); - virtual output_data_t get_output_key(const uint64_t& global_index) const; virtual void get_output_key(const uint64_t &amount, const std::vector<uint64_t> &offsets, std::vector<output_data_t> &outputs, bool allow_partial = false); virtual tx_out_index get_output_tx_and_index_from_global(const uint64_t& index) const; @@ -450,7 +449,7 @@ private: #endif #endif - constexpr static float RESIZE_PERCENT = 0.8f; + constexpr static float RESIZE_PERCENT = 0.9f; }; } // namespace cryptonote |