diff options
Diffstat (limited to 'src/blockchain_db')
| -rw-r--r-- | src/blockchain_db/lmdb/db_lmdb.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/blockchain_db/lmdb/db_lmdb.cpp b/src/blockchain_db/lmdb/db_lmdb.cpp index 0bee8aae9..1c1e595af 100644 --- a/src/blockchain_db/lmdb/db_lmdb.cpp +++ b/src/blockchain_db/lmdb/db_lmdb.cpp @@ -428,7 +428,7 @@ void BlockchainLMDB::check_and_resize_for_batch(uint64_t batch_num_blocks) { LOG_PRINT_L3("BlockchainLMDB::" << __func__); LOG_PRINT_L1("[" << __func__ << "] " << "checking DB size"); - const uint64_t min_increase_size = 128 * (1 << 20); + const uint64_t min_increase_size = 512 * (1 << 20); uint64_t threshold_size = 0; uint64_t increase_size = 0; if (batch_num_blocks > 0) @@ -464,6 +464,7 @@ uint64_t BlockchainLMDB::get_estimated_batch_size(uint64_t batch_num_blocks) con // batch size estimate * batch safety factor = final size estimate // Takes into account "reasonable" block size increases in batch. float batch_safety_factor = 1.7f; + float batch_fudge_factor = batch_safety_factor * batch_num_blocks; // estimate of stored block expanded from raw block, including denormalization and db overhead. // Note that this probably doesn't grow linearly with block size. float db_expand_factor = 4.5f; @@ -502,8 +503,10 @@ uint64_t BlockchainLMDB::get_estimated_batch_size(uint64_t batch_num_blocks) con avg_block_size = min_block_size; LOG_PRINT_L1("estimated average block size for batch: " << avg_block_size); - threshold_size = avg_block_size * db_expand_factor * batch_num_blocks; - threshold_size = threshold_size * batch_safety_factor; + // bigger safety margin on smaller block sizes + if (batch_fudge_factor < 5000.0) + batch_fudge_factor = 5000.0; + threshold_size = avg_block_size * db_expand_factor * batch_fudge_factor; return threshold_size; } |