diff options
Diffstat (limited to 'src/blockchain_db/lmdb')
| -rw-r--r-- | src/blockchain_db/lmdb/db_lmdb.cpp | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/src/blockchain_db/lmdb/db_lmdb.cpp b/src/blockchain_db/lmdb/db_lmdb.cpp index dd829f3b0..5401932aa 100644 --- a/src/blockchain_db/lmdb/db_lmdb.cpp +++ b/src/blockchain_db/lmdb/db_lmdb.cpp @@ -28,6 +28,7 @@ #include "db_lmdb.h" #include <boost/filesystem.hpp> +#include <boost/format.hpp> #include <memory> // std::unique_ptr #include <cstring> // memcpy #include <random> @@ -262,6 +263,7 @@ void mdb_txn_safe::allow_new_txns() void BlockchainLMDB::do_resize(uint64_t increase_size) { + LOG_PRINT_L3("BlockchainLMDB::" << __func__); CRITICAL_REGION_LOCAL(m_synchronization_lock); const uint64_t add_size = 1LL << 30; @@ -327,6 +329,7 @@ void BlockchainLMDB::do_resize(uint64_t increase_size) // threshold_size is used for batch transactions bool BlockchainLMDB::need_resize(uint64_t threshold_size) const { + LOG_PRINT_L3("BlockchainLMDB::" << __func__); #if defined(ENABLE_AUTO_RESIZE) MDB_envinfo mei; @@ -346,7 +349,8 @@ 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); - LOG_PRINT_L1("Percent used: " << (double)size_used/mei.me_mapsize << " Percent threshold: " << RESIZE_PERCENT); + 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); if (threshold_size > 0) { @@ -376,7 +380,8 @@ bool BlockchainLMDB::need_resize(uint64_t threshold_size) const void BlockchainLMDB::check_and_resize_for_batch(uint64_t batch_num_blocks) { - LOG_PRINT_L1("[batch] checking DB size"); + LOG_PRINT_L3("BlockchainLMDB::" << __func__); + LOG_PRINT_L1("[" << __func__ << "] " << "checking DB size"); const uint64_t min_increase_size = 128 * (1 << 20); uint64_t threshold_size = 0; uint64_t increase_size = 0; @@ -407,6 +412,7 @@ void BlockchainLMDB::check_and_resize_for_batch(uint64_t batch_num_blocks) uint64_t BlockchainLMDB::get_estimated_batch_size(uint64_t batch_num_blocks) const { + LOG_PRINT_L3("BlockchainLMDB::" << __func__); uint64_t threshold_size = 0; // batch size estimate * batch safety factor = final size estimate @@ -419,22 +425,33 @@ uint64_t BlockchainLMDB::get_estimated_batch_size(uint64_t batch_num_blocks) con // For resizing purposes, allow for at least 4k average block size. uint64_t min_block_size = 4 * 1024; - uint64_t block_stop = m_height - 1; + uint64_t block_stop = 0; + if (m_height > 1) + block_stop = m_height - 1; uint64_t block_start = 0; if (block_stop >= num_prev_blocks) block_start = block_stop - num_prev_blocks + 1; uint32_t num_blocks_used = 0; uint64_t total_block_size = 0; - for (uint64_t block_num = block_start; block_num <= block_stop; ++block_num) + LOG_PRINT_L1("[" << __func__ << "] " << "m_height: " << m_height << " block_start: " << block_start << " block_stop: " << block_stop); + size_t avg_block_size = 0; + if (m_height == 0) { - uint32_t block_size = get_block_size(block_num); - total_block_size += block_size; - // Track number of blocks being totalled here instead of assuming, in case - // some blocks were to be skipped for being outliers. - ++num_blocks_used; + LOG_PRINT_L1("No existing blocks to check for average block size"); + } + else + { + for (uint64_t block_num = block_start; block_num <= block_stop; ++block_num) + { + uint32_t block_size = get_block_size(block_num); + total_block_size += block_size; + // Track number of blocks being totalled here instead of assuming, in case + // some blocks were to be skipped for being outliers. + ++num_blocks_used; + } + avg_block_size = total_block_size / num_blocks_used; + LOG_PRINT_L1("average block size across recent " << num_blocks_used << " blocks: " << avg_block_size); } - size_t avg_block_size = total_block_size / num_blocks_used; - LOG_PRINT_L1("average block size across recent " << num_blocks_used << " blocks: " << avg_block_size); if (avg_block_size < min_block_size) avg_block_size = min_block_size; LOG_PRINT_L1("estimated average block size for batch: " << avg_block_size); |