monero-project/monero
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Merge pull request #2352

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2d8a6a6f blockchain: cap memory size of retrieved blocks (moneromooo-monero)
20bedf32 rpc: decrease memory usage a bit in getblocks.bin (moneromooo-monero)
This commit is contained in:
Riccardo Spagni 2017-08-26 23:33:40 +02:00
commit 8ee10e707b
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2 changed files with 14 additions and 6 deletions
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9
src/cryptonote_core/blockchain.cpp
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@ -59,6 +59,8 @@
#undef MONERO_DEFAULT_LOG_CATEGORY
#define MONERO_DEFAULT_LOG_CATEGORY "blockchain"
#define FIND_BLOCKCHAIN_SUPPLEMENT_MAX_SIZE (100*1024*1024) // 100 MB
//#include "serialization/json_archive.h"
/* TODO:
@ -2075,8 +2077,8 @@ bool Blockchain::find_blockchain_supplement(const uint64_t req_start_block, cons
m_db->block_txn_start(true);
total_height = get_current_blockchain_height();
size_t count = 0;
for(size_t i = start_height; i < total_height && count < max_count; i++, count++)
size_t count = 0, size = 0;
for(size_t i = start_height; i < total_height && count < max_count && (size < FIND_BLOCKCHAIN_SUPPLEMENT_MAX_SIZE || count < 3); i++, count++)
{
blocks.resize(blocks.size()+1);
blocks.back().first = m_db->get_block_blob_from_height(i);
@ -2085,6 +2087,9 @@ bool Blockchain::find_blockchain_supplement(const uint64_t req_start_block, cons
std::list<crypto::hash> mis;
get_transactions_blobs(b.tx_hashes, blocks.back().second, mis);
CHECK_AND_ASSERT_MES(!mis.size(), false, "internal error, transaction from block not found");
size += blocks.back().first.size();
for (const auto &t: blocks.back().second)
size += t.size();
}
m_db->block_txn_stop();
return true;

11
src/rpc/core_rpc_server.cpp
View file

@ -205,14 +205,17 @@ namespace cryptonote
}
size_t txidx = 0;
ntxes += bd.second.size();
for(const auto& t: bd.second)
for (std::list<cryptonote::blobdata>::iterator i = bd.second.begin(); i != bd.second.end(); ++i)
{
unpruned_size += i->size();
if (req.prune)
res.blocks.back().txs.push_back(get_pruned_tx_blob(t));
res.blocks.back().txs.push_back(get_pruned_tx_blob(std::move(*i)));
else
res.blocks.back().txs.push_back(t);
res.blocks.back().txs.push_back(std::move(*i));
i->clear();
i->shrink_to_fit();
pruned_size += res.blocks.back().txs.back().size();
unpruned_size += t.size();
res.output_indices.back().indices.push_back(COMMAND_RPC_GET_BLOCKS_FAST::tx_output_indices());
bool r = m_core.get_tx_outputs_gindexs(b.tx_hashes[txidx++], res.output_indices.back().indices.back().indices);
if (!r)