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Lower the max size of transaction packet to prevent going oversize. (#9308) 

* Lower the max size of transaction packet to prevent going oversize.

* Log RLP size.
This commit is contained in:
Tomasz Drwięga 2018-08-14 17:20:29 +02:00 committed by Marek Kotewicz
parent 1ac4676f4b
commit 29125e830b
2 changed files with 4 additions and 2 deletions
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3
ethcore/sync/src/chain/mod.rs
View File

@ -148,7 +148,8 @@ const MAX_PEER_LAG_PROPAGATION: BlockNumber = 20;
const MAX_NEW_HASHES: usize = 64;
const MAX_NEW_BLOCK_AGE: BlockNumber = 20;
// maximal packet size with transactions (cannot be greater than 16MB - protocol limitation).
const MAX_TRANSACTION_PACKET_SIZE: usize = 8 * 1024 * 1024;
// keep it under 8MB as well, cause it seems that it may result oversized after compression.
const MAX_TRANSACTION_PACKET_SIZE: usize = 5 * 1024 * 1024;
// Min number of blocks to be behind for a snapshot sync
const SNAPSHOT_RESTORE_THRESHOLD: BlockNumber = 30000;
const SNAPSHOT_MIN_PEERS: usize = 3;

3
ethcore/sync/src/chain/propagator.rs
View File

@ -237,8 +237,9 @@ impl SyncPropagator {
let lucky_peers_len = lucky_peers.len();
for (peer_id, sent, rlp) in lucky_peers {
peers.insert(peer_id);
let size = rlp.len();
SyncPropagator::send_packet(io, peer_id, TRANSACTIONS_PACKET, rlp);
trace!(target: "sync", "{:02} <- Transactions ({} entries)", peer_id, sent);
trace!(target: "sync", "{:02} <- Transactions ({} entries; {} bytes)", peer_id, sent, size);
max_sent = cmp::max(max_sent, sent);
}
debug!(target: "sync", "Sent up to {} transactions to {} peers.", max_sent, lucky_peers_len);