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src: dynamic span, to calculate span limit dynamically

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Co-authored-by: nahuhh
This commit is contained in:
0xFFFC0000 2024-10-01 14:49:59 +00:00
parent a1dc85c537
commit 9ff5737089
4 changed files with 46 additions and 8 deletions
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6
src/cryptonote_core/cryptonote_core.cpp
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@ -124,6 +124,11 @@ namespace cryptonote
, "Set maximum size of block download queue in bytes (0 for default)"
, 0
};
const command_line::arg_descriptor<size_t> arg_span_limit = {
"span-limit"
, "Set span limit when syncing, can time (m postfix for minutes), default is 2 minutes"
, 2
};
const command_line::arg_descriptor<bool> arg_sync_pruned_blocks = {
"sync-pruned-blocks"
, "Allow syncing from nodes with only pruned blocks"
@ -341,6 +346,7 @@ namespace cryptonote
command_line::add_arg(desc, arg_offline);
command_line::add_arg(desc, arg_disable_dns_checkpoints);
command_line::add_arg(desc, arg_block_download_max_size);
command_line::add_arg(desc, arg_span_limit);
command_line::add_arg(desc, arg_sync_pruned_blocks);
command_line::add_arg(desc, arg_max_txpool_weight);
command_line::add_arg(desc, arg_block_notify);

1
src/cryptonote_core/cryptonote_core.h
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@ -69,6 +69,7 @@ namespace cryptonote
extern const command_line::arg_descriptor<difficulty_type> arg_fixed_difficulty;
extern const command_line::arg_descriptor<bool> arg_offline;
extern const command_line::arg_descriptor<size_t> arg_block_download_max_size;
extern const command_line::arg_descriptor<size_t> arg_span_limit;
extern const command_line::arg_descriptor<bool> arg_sync_pruned_blocks;
/************************************************************************/

4
src/cryptonote_protocol/cryptonote_protocol_handler.h
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@ -167,6 +167,7 @@ namespace cryptonote
size_t skip_unneeded_hashes(cryptonote_connection_context& context, bool check_block_queue) const;
bool request_txpool_complement(cryptonote_connection_context &context);
void hit_score(cryptonote_connection_context &context, int32_t score);
void calculate_dynamic_span(double blocks_per_seconds);
t_core& m_core;
@ -191,6 +192,9 @@ namespace cryptonote
uint64_t m_sync_download_chain_size, m_sync_download_objects_size;
size_t m_block_download_max_size;
bool m_sync_pruned_blocks;
size_t m_span_time;
size_t m_span_limit;
size_t m_bss;
// Values for sync time estimates
boost::posix_time::ptime m_sync_start_time;

43
src/cryptonote_protocol/cryptonote_protocol_handler.inl
View File

@ -62,7 +62,8 @@
#define MLOG_PEER_STATE(x) \
MCINFO(MONERO_DEFAULT_LOG_CATEGORY, context << "[" << epee::string_tools::to_string_hex(context.m_pruning_seed) << "] state: " << x << " in state " << cryptonote::get_protocol_state_string(context.m_state))
#define BLOCK_QUEUE_NSPANS_THRESHOLD 10 // chunks of N blocks
#define BLOCK_QUEUE_NSPANS_THRESHOLD 200 // chunks of N blocks
#define BLOCK_QUEUE_NSPANS_MINIMUM 10 // minimum number of spans
#define BLOCK_QUEUE_SIZE_THRESHOLD (100*1024*1024) // MB
#define BLOCK_QUEUE_FORCE_DOWNLOAD_NEAR_BLOCKS 1000
#define REQUEST_NEXT_SCHEDULED_SPAN_THRESHOLD_STANDBY (5 * 1000000) // microseconds
@ -87,7 +88,10 @@ namespace cryptonote
m_synchronized(offline),
m_ask_for_txpool_complement(true),
m_stopping(false),
m_no_sync(false)
m_no_sync(false),
m_span_limit(BLOCK_QUEUE_NSPANS_MINIMUM),
m_span_time(0),
m_bss(0)
{
if(!m_p2p)
@ -110,11 +114,22 @@ namespace cryptonote
m_block_download_max_size = command_line::get_arg(vm, cryptonote::arg_block_download_max_size);
m_sync_pruned_blocks = command_line::get_arg(vm, cryptonote::arg_sync_pruned_blocks);
m_span_time = command_line::get_arg(vm, cryptonote::arg_span_limit);
return true;
}
//------------------------------------------------------------------------------------------------------------------------
template<class t_core>
void t_cryptonote_protocol_handler<t_core>::calculate_dynamic_span(double blocks_per_seconds)
{
MINFO("m_bss : " << m_bss << ", blocks_per_seconds : " << blocks_per_seconds << ", m_span_limit : " << m_span_limit);
m_span_limit = (m_bss && blocks_per_seconds) ? (( blocks_per_seconds * 60 * m_span_time ) / m_bss) : BLOCK_QUEUE_NSPANS_THRESHOLD;
if (m_span_limit < BLOCK_QUEUE_NSPANS_MINIMUM)
m_span_limit = BLOCK_QUEUE_NSPANS_MINIMUM;
MINFO("calculated dynamic span limit is span_limit : " << m_span_limit);
}
//------------------------------------------------------------------------------------------------------------------------
template<class t_core>
bool t_cryptonote_protocol_handler<t_core>::deinit()
{
return true;
@ -1658,10 +1673,12 @@ namespace cryptonote
m_block_queue.remove_spans(span_connection_id, start_height);
const uint64_t current_blockchain_height = m_core.get_current_blockchain_height();
const boost::posix_time::time_duration dt = boost::posix_time::microsec_clock::universal_time() - start;
double blocks_per_seconds = (((current_blockchain_height - previous_height) * 1e6) / dt.total_microseconds());
calculate_dynamic_span(blocks_per_seconds);
if (current_blockchain_height > previous_height)
{
const uint64_t target_blockchain_height = m_core.get_target_blockchain_height();
const boost::posix_time::time_duration dt = boost::posix_time::microsec_clock::universal_time() - start;
std::string progress_message = "";
if (current_blockchain_height < target_blockchain_height)
{
@ -1685,7 +1702,7 @@ namespace cryptonote
std::string timing_message = "";
if (ELPP->vRegistry()->allowed(el::Level::Info, "sync-info"))
timing_message = std::string(" (") + std::to_string(dt.total_microseconds()/1e6) + " sec, "
+ std::to_string((current_blockchain_height - previous_height) * 1e6 / dt.total_microseconds())
+ std::to_string(blocks_per_seconds)
+ " blocks/sec), " + std::to_string(m_block_queue.get_data_size() / 1048576.f) + " MB queued in "
+ std::to_string(m_block_queue.get_num_filled_spans()) + " spans, stripe "
+ std::to_string(previous_stripe) + " -> " + std::to_string(current_stripe);
@ -2104,7 +2121,17 @@ skip:
const uint32_t peer_stripe = tools::get_pruning_stripe(context.m_pruning_seed);
const uint32_t local_stripe = tools::get_pruning_stripe(m_core.get_blockchain_pruning_seed());
const size_t block_queue_size_threshold = m_block_download_max_size ? m_block_download_max_size : BLOCK_QUEUE_SIZE_THRESHOLD;
bool queue_proceed = nspans < BLOCK_QUEUE_NSPANS_THRESHOLD || size < block_queue_size_threshold;
m_span_limit = m_span_limit ? m_span_limit : BLOCK_QUEUE_NSPANS_THRESHOLD;
bool queue_proceed = (nspans < m_span_limit) && (size < block_queue_size_threshold);
MINFO( "block_queue_size_threshold : " << block_queue_size_threshold
<< ", queue_proceed : " << queue_proceed
<< ", size : " << size
<< ", nspans : " << nspans
<< ", m_span_limit : " << m_span_limit
<< ", bc_height : " << bc_height
<< ", add_stripe : " << add_stripe
<< ", peer_stripe : " << peer_stripe
<< ", local_stripe : " << local_stripe);
// get rid of blocks we already requested, or already have
if (skip_unneeded_hashes(context, true) && context.m_needed_objects.empty() && context.m_num_requested == 0)
{
@ -2222,7 +2249,7 @@ skip:
NOTIFY_REQUEST_GET_OBJECTS::request req;
bool is_next = false;
size_t count = 0;
const size_t count_limit = m_core.get_block_sync_size(m_core.get_current_blockchain_height());
m_bss = m_core.get_block_sync_size(m_core.get_current_blockchain_height());
std::pair<uint64_t, uint64_t> span = std::make_pair(0, 0);
if (force_next_span)
{
@ -2272,7 +2299,7 @@ skip:
const uint64_t first_block_height = context.m_last_response_height - context.m_needed_objects.size() + 1;
static const uint64_t bp_fork_height = m_core.get_earliest_ideal_height_for_version(8);
bool sync_pruned_blocks = m_sync_pruned_blocks && first_block_height >= bp_fork_height && m_core.get_blockchain_pruning_seed();
span = m_block_queue.reserve_span(first_block_height, context.m_last_response_height, count_limit, context.m_connection_id, context.m_remote_address, sync_pruned_blocks, m_core.get_blockchain_pruning_seed(), context.m_pruning_seed, context.m_remote_blockchain_height, context.m_needed_objects);
span = m_block_queue.reserve_span(first_block_height, context.m_last_response_height, m_bss, context.m_connection_id, context.m_remote_address, sync_pruned_blocks, m_core.get_blockchain_pruning_seed(), context.m_pruning_seed, context.m_remote_blockchain_height, context.m_needed_objects);
MDEBUG(context << " span from " << first_block_height << ": " << span.first << "/" << span.second);
if (span.second > 0)
{
@ -2358,7 +2385,7 @@ skip:
context.m_expect_height = span.first;
context.m_expect_response = NOTIFY_RESPONSE_GET_OBJECTS::ID;
MLOG_P2P_MESSAGE("-->>NOTIFY_REQUEST_GET_OBJECTS: blocks.size()=" << req.blocks.size()
<< "requested blocks count=" << count << " / " << count_limit << " from " << span.first << ", first hash " << req.blocks.front());
<< "requested blocks count=" << count << " / " << m_bss << " from " << span.first << ", first hash " << req.blocks.front());
//epee::net_utils::network_throttle_manager::get_global_throttle_inreq().logger_handle_net("log/dr-monero/net/req-all.data", sec, get_avg_block_size());
MDEBUG("Asking for " << (req.prune ? "pruned" : "full") << " data, start/end "