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blockchain_prune: faster 

on my anecdotal SSD, goes from about 9 hours to 1h20.
This commit is contained in:
moneromooo-monero 2022-08-15 11:42:19 +00:00 committed by wowario
parent 27a9a417dc
commit bfc28a3bfe
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GPG Key ID: 793504B449C69220
1 changed files with 87 additions and 41 deletions
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128
src/blockchain_utilities/blockchain_prune.cpp
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@ -52,9 +52,11 @@ using namespace cryptonote;
static std::string db_path;
// default to fast:1
static uint64_t records_per_sync = 128;
static uint64_t records_per_sync = 16 * 65536;
static const size_t slack = 512 * 1024 * 1024;
static std::vector<bool> is_v1;
static std::error_code replace_file(const boost::filesystem::path& replacement_name, const boost::filesystem::path& replaced_name)
{
std::error_code ec = tools::replace_file(replacement_name.string(), replaced_name.string());
@ -89,6 +91,14 @@ static void close(MDB_env *env)
mdb_env_close(env);
}
static void mark_v1_tx(const MDB_val &k, const MDB_val &v)
{
const uint64_t tx_id = *(const uint64_t*)k.mv_data;
if (tx_id >= is_v1.size())
is_v1.resize(tx_id + 1, false);
is_v1[tx_id] = cryptonote::is_v1_tx(cryptonote::blobdata_ref{(const char*)v.mv_data, v.mv_size});
}
static void add_size(MDB_env *env, uint64_t bytes)
{
try
@ -136,7 +146,7 @@ static void check_resize(MDB_env *env, size_t bytes)
add_size(env, size_used + bytes + 2 * slack - mei.me_mapsize);
}
static bool resize_point(size_t nrecords, MDB_env *env, MDB_txn **txn, size_t &bytes)
static bool resize_point(size_t &nrecords, MDB_env *env, MDB_txn **txn, size_t &bytes)
{
if (nrecords % records_per_sync && bytes <= slack / 2)
return false;
@ -146,10 +156,11 @@ static bool resize_point(size_t nrecords, MDB_env *env, MDB_txn **txn, size_t &b
dbr = mdb_txn_begin(env, NULL, 0, txn);
if (dbr) throw std::runtime_error("Failed to create LMDB transaction: " + std::string(mdb_strerror(dbr)));
bytes = 0;
nrecords = 0;
return true;
}
static void copy_table(MDB_env *env0, MDB_env *env1, const char *table, unsigned int flags, unsigned int putflags, int (*cmp)(const MDB_val*, const MDB_val*)=0)
static void copy_table(MDB_env *env0, MDB_env *env1, const char *table, unsigned int flags, unsigned int putflags, int (*cmp)(const MDB_val*, const MDB_val*)=0, void (*f)(const MDB_val&, const MDB_val&) = 0)
{
MDB_dbi dbi0, dbi1;
MDB_txn *txn0, *txn1;
@ -200,6 +211,11 @@ static void copy_table(MDB_env *env0, MDB_env *env1, const char *table, unsigned
dbr = mdb_cursor_open(txn1, dbi1, &cur1);
if (dbr) throw std::runtime_error("Failed to create LMDB cursor: " + std::string(mdb_strerror(dbr)));
if (flags & MDB_DUPSORT)
putflags |= MDB_APPENDDUP;
else
putflags |= MDB_APPEND;
MDB_val k;
MDB_val v;
MDB_cursor_op op = MDB_FIRST;
@ -214,7 +230,8 @@ static void copy_table(MDB_env *env0, MDB_env *env1, const char *table, unsigned
throw std::runtime_error("Failed to enumerate " + std::string(table) + " records: " + std::string(mdb_strerror(ret)));
bytes += k.mv_size + v.mv_size;
if (resize_point(++nrecords, env1, &txn1, bytes))
++nrecords;
if (resize_point(nrecords, env1, &txn1, bytes))
{
dbr = mdb_cursor_open(txn1, dbi1, &cur1);
if (dbr) throw std::runtime_error("Failed to create LMDB cursor: " + std::string(mdb_strerror(dbr)));
@ -223,6 +240,9 @@ static void copy_table(MDB_env *env0, MDB_env *env1, const char *table, unsigned
ret = mdb_cursor_put(cur1, &k, &v, putflags);
if (ret)
throw std::runtime_error("Failed to write " + std::string(table) + " record: " + std::string(mdb_strerror(ret)));
if (f)
(*f)(k, v);
}
mdb_cursor_close(cur1);
@ -235,17 +255,6 @@ static void copy_table(MDB_env *env0, MDB_env *env1, const char *table, unsigned
mdb_dbi_close(env0, dbi0);
}
static bool is_v1_tx(MDB_cursor *c_txs_pruned, MDB_val *tx_id)
{
MDB_val v;
int ret = mdb_cursor_get(c_txs_pruned, tx_id, &v, MDB_SET);
if (ret)
throw std::runtime_error("Failed to find transaction pruned data: " + std::string(mdb_strerror(ret)));
if (v.mv_size == 0)
throw std::runtime_error("Invalid transaction pruned data");
return cryptonote::is_v1_tx(cryptonote::blobdata_ref{(const char*)v.mv_data, v.mv_size});
}
static void prune(MDB_env *env0, MDB_env *env1)
{
MDB_dbi dbi0_blocks, dbi0_txs_pruned, dbi0_txs_prunable, dbi0_tx_indices, dbi1_txs_prunable, dbi1_txs_prunable_tip, dbi1_properties;
@ -324,7 +333,10 @@ static void prune(MDB_env *env0, MDB_env *env1)
mdb_dbi_close(env0, dbi0_blocks);
const uint64_t blockchain_height = stats.ms_entries;
size_t nrecords = 0, bytes = 0;
std::vector<bool> prunable_needed;
// go through all txes tx indices, recording which ones should have their prunable part retained
MINFO("Marking prunable txes");
MDB_cursor_op op = MDB_FIRST;
while (1)
{
@ -336,7 +348,8 @@ static void prune(MDB_env *env0, MDB_env *env1)
const txindex *ti = (const txindex*)v.mv_data;
const uint64_t block_height = ti->data.block_id;
MDB_val_set(kk, ti->data.tx_id);
const uint64_t tx_id = ti->data.tx_id;
MDB_val_set(kk, tx_id);
if (block_height + CRYPTONOTE_PRUNING_TIP_BLOCKS >= blockchain_height)
{
MDEBUG(block_height << "/" << blockchain_height << " is in tip");
@ -344,22 +357,23 @@ static void prune(MDB_env *env0, MDB_env *env1)
dbr = mdb_cursor_put(cur1_txs_prunable_tip, &kk, &vv, 0);
if (dbr) throw std::runtime_error("Failed to write prunable tx tip data: " + std::string(mdb_strerror(dbr)));
bytes += kk.mv_size + vv.mv_size;
}
if (tools::has_unpruned_block(block_height, blockchain_height, pruning_seed) || is_v1_tx(cur0_txs_pruned, &kk))
{
MDB_val vv;
dbr = mdb_cursor_get(cur0_txs_prunable, &kk, &vv, MDB_SET);
if (dbr) throw std::runtime_error("Failed to read prunable tx data: " + std::string(mdb_strerror(dbr)));
bytes += kk.mv_size + vv.mv_size;
if (resize_point(++nrecords, env1, &txn1, bytes))
++nrecords;
if (resize_point(nrecords, env1, &txn1, bytes))
{
dbr = mdb_cursor_open(txn1, dbi1_txs_prunable, &cur1_txs_prunable);
if (dbr) throw std::runtime_error("Failed to create LMDB cursor: " + std::string(mdb_strerror(dbr)));
dbr = mdb_cursor_open(txn1, dbi1_txs_prunable_tip, &cur1_txs_prunable_tip);
if (dbr) throw std::runtime_error("Failed to create LMDB cursor: " + std::string(mdb_strerror(dbr)));
}
dbr = mdb_cursor_put(cur1_txs_prunable, &kk, &vv, 0);
if (dbr) throw std::runtime_error("Failed to write prunable tx data: " + std::string(mdb_strerror(dbr)));
}
if (tx_id >= is_v1.size())
throw std::runtime_error("tx_id out of range of is_v1 vector");
if (tools::has_unpruned_block(block_height, blockchain_height, pruning_seed) || is_v1[tx_id])
{
if (tx_id >= prunable_needed.size())
prunable_needed.resize(tx_id + 1, false);
prunable_needed[tx_id] = true;
}
else
{
@ -367,6 +381,37 @@ static void prune(MDB_env *env0, MDB_env *env1)
}
}
// go through prunable parts, carrying over those we need
MINFO("Copying retained prunable data");
op = MDB_FIRST;
while (1)
{
int ret = mdb_cursor_get(cur0_txs_prunable, &k, &v, op);
op = MDB_NEXT;
if (ret == MDB_NOTFOUND)
break;
if (ret) throw std::runtime_error("Failed to enumerate records: " + std::string(mdb_strerror(ret)));
const uint64_t tx_id = *(const uint64_t*)k.mv_data;
if (tx_id >= prunable_needed.size())
throw std::runtime_error("tx_id out of range of prunable_needed vector");
if (prunable_needed[tx_id])
{
dbr = mdb_cursor_put(cur1_txs_prunable, &k, &v, MDB_APPEND);
if (dbr) throw std::runtime_error("Failed to write prunable tx data: " + std::string(mdb_strerror(dbr)));
bytes += k.mv_size + v.mv_size;
++nrecords;
if (resize_point(nrecords, env1, &txn1, bytes))
{
dbr = mdb_cursor_open(txn1, dbi1_txs_prunable, &cur1_txs_prunable);
if (dbr) throw std::runtime_error("Failed to create LMDB cursor: " + std::string(mdb_strerror(dbr)));
dbr = mdb_cursor_open(txn1, dbi1_txs_prunable_tip, &cur1_txs_prunable_tip);
if (dbr) throw std::runtime_error("Failed to create LMDB cursor: " + std::string(mdb_strerror(dbr)));
}
}
}
mdb_cursor_close(cur1_txs_prunable_tip);
mdb_cursor_close(cur1_txs_prunable);
mdb_cursor_close(cur0_txs_prunable);
@ -419,7 +464,7 @@ static bool parse_db_sync_mode(std::string db_sync_mode, uint64_t &db_flags)
else if(options[0] == "fastest")
{
db_flags = DBF_FASTEST;
records_per_sync = 1000; // default to fastest:async:1000
// default to fastest:async:N
}
else
return false;
@ -455,7 +500,7 @@ int main(int argc, char* argv[])
const command_line::arg_descriptor<std::string> arg_db_sync_mode = {
"db-sync-mode"
, "Specify sync option, using format [safe|fast|fastest]:[nrecords_per_sync]."
, "fast:1000"
, "fast:" + std::to_string(records_per_sync)
};
const command_line::arg_descriptor<bool> arg_copy_pruned_database = {"copy-pruned-database", "Copy database anyway if already pruned"};
@ -601,26 +646,27 @@ int main(int argc, char* argv[])
MDB_env *env0 = NULL, *env1 = NULL;
open(env0, paths[0], db_flags, true);
open(env1, paths[1], db_flags, false);
copy_table(env0, env1, "blocks", MDB_INTEGERKEY, MDB_APPEND);
copy_table(env0, env1, "block_info", MDB_INTEGERKEY | MDB_DUPSORT| MDB_DUPFIXED, MDB_APPENDDUP, BlockchainLMDB::compare_uint64);
copy_table(env0, env1, "blocks", MDB_INTEGERKEY, 0);
copy_table(env0, env1, "block_info", MDB_INTEGERKEY | MDB_DUPSORT| MDB_DUPFIXED, 0, BlockchainLMDB::compare_uint64);
copy_table(env0, env1, "block_heights", MDB_INTEGERKEY | MDB_DUPSORT| MDB_DUPFIXED, 0, BlockchainLMDB::compare_hash32);
//copy_table(env0, env1, "txs", MDB_INTEGERKEY);
copy_table(env0, env1, "txs_pruned", MDB_INTEGERKEY, MDB_APPEND);
copy_table(env0, env1, "txs_prunable_hash", MDB_INTEGERKEY | MDB_DUPSORT | MDB_DUPFIXED, MDB_APPEND);
copy_table(env0, env1, "txs_pruned", MDB_INTEGERKEY, 0, NULL, &mark_v1_tx);
copy_table(env0, env1, "txs_prunable_hash", MDB_INTEGERKEY | MDB_DUPSORT | MDB_DUPFIXED, 0);
// not copied: prunable, prunable_tip
copy_table(env0, env1, "tx_indices", MDB_INTEGERKEY | MDB_DUPSORT | MDB_DUPFIXED, 0, BlockchainLMDB::compare_hash32);
copy_table(env0, env1, "tx_outputs", MDB_INTEGERKEY, MDB_APPEND);
copy_table(env0, env1, "output_txs", MDB_INTEGERKEY | MDB_DUPSORT | MDB_DUPFIXED, MDB_APPENDDUP, BlockchainLMDB::compare_uint64);
copy_table(env0, env1, "output_amounts", MDB_INTEGERKEY | MDB_DUPSORT | MDB_DUPFIXED, MDB_APPENDDUP, BlockchainLMDB::compare_uint64);
copy_table(env0, env1, "spent_keys", MDB_INTEGERKEY | MDB_DUPSORT | MDB_DUPFIXED, MDB_NODUPDATA, BlockchainLMDB::compare_hash32);
copy_table(env0, env1, "txpool_meta", 0, MDB_NODUPDATA, BlockchainLMDB::compare_hash32);
copy_table(env0, env1, "txpool_blob", 0, MDB_NODUPDATA, BlockchainLMDB::compare_hash32);
copy_table(env0, env1, "hf_versions", MDB_INTEGERKEY, MDB_APPEND);
copy_table(env0, env1, "tx_outputs", MDB_INTEGERKEY, 0);
copy_table(env0, env1, "output_txs", MDB_INTEGERKEY | MDB_DUPSORT | MDB_DUPFIXED, 0, BlockchainLMDB::compare_uint64);
copy_table(env0, env1, "output_amounts", MDB_INTEGERKEY | MDB_DUPSORT | MDB_DUPFIXED, 0, BlockchainLMDB::compare_uint64);
copy_table(env0, env1, "spent_keys", MDB_INTEGERKEY | MDB_DUPSORT | MDB_DUPFIXED, 0, BlockchainLMDB::compare_hash32);
copy_table(env0, env1, "txpool_meta", 0, 0, BlockchainLMDB::compare_hash32);
copy_table(env0, env1, "txpool_blob", 0, 0, BlockchainLMDB::compare_hash32);
copy_table(env0, env1, "alt_blocks", 0, 0, BlockchainLMDB::compare_hash32);
copy_table(env0, env1, "hf_versions", MDB_INTEGERKEY, 0);
copy_table(env0, env1, "properties", 0, 0, BlockchainLMDB::compare_string);
if (already_pruned)
{
copy_table(env0, env1, "txs_prunable", MDB_INTEGERKEY, MDB_APPEND, BlockchainLMDB::compare_uint64);
copy_table(env0, env1, "txs_prunable_tip", MDB_INTEGERKEY | MDB_DUPSORT | MDB_DUPFIXED, MDB_NODUPDATA, BlockchainLMDB::compare_uint64);
copy_table(env0, env1, "txs_prunable", MDB_INTEGERKEY, 0, BlockchainLMDB::compare_uint64);
copy_table(env0, env1, "txs_prunable_tip", MDB_INTEGERKEY | MDB_DUPSORT | MDB_DUPFIXED, 0, BlockchainLMDB::compare_uint64);
}
else
{