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Metrics

Currently, Nethermind provides the following options to monitor and collect metrics about itself:

Parameters by namespace​

Aura​

  • nethermind_au_ra_step​

    Current AuRa step

  • nethermind_commit_hash_transaction​

    RANDAO number of commit hash transactions

  • nethermind_emit_initiate_change​

    POSDAO number of emit init change transactions

  • nethermind_reported_benign_misbehaviour​

    Number of reported benign misbehaviour validators

  • nethermind_reported_malicious_misbehaviour​

    Number of reported malicious misbehaviour validators

  • nethermind_reveal_number​

    RANDAO number of reveal number transactions

  • nethermind_sealed_transactions​

    Number of sealed transactions generated by engine

  • nethermind_validators_count​

    Number of current AuRa validators

Blockchain​

  • nethermind_best_known_block_number​

    The estimated highest block available.

  • nethermind_blockchain_height​

    The current height of the canonical chain.

  • nethermind_blocks​

    Total number of blocks processed

  • nethermind_blocks_sealed​

    Total number of sealed blocks

  • nethermind_failed_block_seals​

    Total number of failed block seals

  • nethermind_gas_limit​

    Gas Limit for processed blocks

  • nethermind_gas_used​

    Gas Used in processed blocks

  • nethermind_last_difficulty​

    Difficulty of the last block

  • nethermind_mgas​

    Total MGas processed

  • nethermind_mgas_per_sec​

    MGas processed per second

  • nethermind_processing_queue_size​

    Number of blocks awaiting for processing.

  • nethermind_recovery_queue_size​

    Number of blocks awaiting for recovery of public keys from signatures.

  • nethermind_reorganizations​

    Total number of chain reorganizations

  • nethermind_total_difficulty​

    Total difficulty on the chain

  • nethermind_transactions​

    Total number of transactions processed

Db​

  • nethermind_code_db_cache​

    Number of Code DB cache reads.

  • nethermind_db_block_cache_size​

    Database block cache size per database

  • nethermind_db_compaction_stats​

    Metrics extracted from RocksDB Compaction Stats

  • nethermind_db_index_filter_size​

    Database index and filter size per database

  • nethermind_db_memtable_size​

    Database memtable per database

  • nethermind_db_reads​

    Database reads per database

  • nethermind_db_size​

    Database size per database

  • nethermind_db_stats​

    Metrics extracted from RocksDB Compaction Stats and DB Statistics

  • nethermind_db_writes​

    Database writes per database

  • nethermind_state_db_pruning​

    Indicator if StadeDb is being pruned.

  • nethermind_state_reader_reads​

    Number of State Reader reads.

  • nethermind_state_tree_cache​

    Number of State Trie cache hits.

  • nethermind_state_tree_reads​

    Number of State Trie reads.

  • nethermind_state_tree_writes​

    Number of Blocks Trie writes.

  • nethermind_storage_reader_reads​

    Number of storage reader reads.

  • nethermind_storage_tree_cache​

    Number of storage trie cache hits.

  • nethermind_storage_tree_reads​

    Number of storage trie reads.

  • nethermind_storage_tree_writes​

    Number of storage trie writes.

  • nethermind_thread_local_code_db_cache​

    Number of Code DB cache reads on thread.

  • nethermind_thread_local_state_tree_reads​

    Number of State Trie reads on thread.

  • nethermind_thread_local_storage_tree_reads​

    Number of storage trie reads on thread.

Evm​

  • nethermind_blockhash_opcode​

    Number of BLOCKHASH opcodes executed.

  • nethermind_bls_g1_add_precompile​

    Number of BLS12_G1ADD precompile calls.

  • nethermind_bls_g1_m_s_m_precompile​

    Number of BLS12_G1MSM precompile calls.

  • nethermind_bls_g1_mul_precompile​

    Number of BLS12_G1MUL precompile calls.

  • nethermind_bls_g2_add_precompile​

    Number of BLS12_G2ADD precompile calls.

  • nethermind_bls_g2_m_s_m_precompile​

    Number of BLS12_G2MSM precompile calls.

  • nethermind_bls_g2_mul_precompile​

    Number of BLS12_G2MUL precompile calls.

  • nethermind_bls_map_fp2_to_g2_precompile​

    Number of BLS12_MAP_FP2_TO_G2 precompile calls.

  • nethermind_bls_map_fp_to_g1_precompile​

    Number of BLS12_MAP_FP_TO_G1 precompile calls.

  • nethermind_bls_pairing_check_precompile​

    Number of BLS12_PAIRING_CHECK precompile calls.

  • nethermind_bn254_add_precompile​

    Number of BN254_ADD precompile calls.

  • nethermind_bn254_mul_precompile​

    Number of BN254_MUL precompile calls.

  • nethermind_bn254_pairing_precompile​

    Number of BN254_PAIRING precompile calls.

  • nethermind_calls​

    Number of calls to other contracts.

  • nethermind_contracts_analysed​

    Number of contracts' code analysed for jump destinations.

  • nethermind_creates​

    Number of contract create calls.

  • nethermind_ec_recover_precompile​

    Number of EC_RECOVERY precompile calls.

  • nethermind_empty_calls​

    Number of calls made to addresses without code.

  • nethermind_evm_exceptions​

    Number of EVM exceptions thrown by contracts.

  • nethermind_exp_opcode​

    Number of EXP opcodes executed.

  • nethermind_m_copy_opcode​

    Number of MCOPY opcodes executed.

  • nethermind_mod_exp_precompile​

    Number of MODEXP precompile calls.

  • nethermind_point_evaluation_precompile​

    Number of Point Evaluation precompile calls.

  • nethermind_ripemd160_precompile​

    Number of RIPEMD160 precompile calls.

  • nethermind_secp256r1_precompile​

    Number of Secp256r1 precompile calls.

  • nethermind_self_destructs​

    Number of SELFDESTRUCT calls.

  • nethermind_sha256_precompile​

    Number of SHA256 precompile calls.

  • nethermind_sload_opcode​

    Number of SLOAD opcodes executed.

  • nethermind_sstore_opcode​

    Number of SSTORE opcodes executed.

  • nethermind_thread_local_calls​

    Number of calls to other contracts on thread.

  • nethermind_thread_local_contracts_analysed​

    Number of contracts' code analysed for jump destinations on thread.

  • nethermind_thread_local_creates​

    Number of contract create calls on thread.

  • nethermind_thread_local_empty_calls​

    Number of calls made to addresses without code on thread.

  • nethermind_thread_local_s_load_opcode​

    Number of SLOAD opcodes executed on thread.

  • nethermind_thread_local_s_store_opcode​

    Number of SSTORE opcodes executed on thread.

  • nethermind_tload_opcode​

    Number of TLOAD opcodes executed.

  • nethermind_tstore_opcode​

    Number of TSTORE opcodes executed.

JsonRpc​

  • nethermind_json_rpc_bytes_received​

    Number of JSON RPC bytes received.

  • nethermind_json_rpc_bytes_sent​

    Number of JSON RPC bytes sent.

  • nethermind_json_rpc_errors​

    Number of JSON RPC requests processed with errors.

  • nethermind_json_rpc_invalid_requests​

    Number of JSON RPC requests that were invalid.

  • nethermind_json_rpc_request_deserialization_failures​

    Number of JSON RPC requests that failed JSON deserialization.

  • nethermind_json_rpc_requests​

    Total number of JSON RPC requests received by the node.

  • nethermind_json_rpc_successes​

    Number of JSON RPC requests processed successfully.

Merge​

  • nethermind_forkchoice_upded_execution_time​

    ForkchoiceUpded request execution time

  • nethermind_get_payload_requests​

    Number of GetPayload Requests

  • nethermind_new_payload_execution_time​

    NewPayload request execution time

  • nethermind_number_of_transactions_in_get_payload​

    Number of Transactions included in the Last GetPayload Request

Network​

  • nethermind_handshakes​

    Number of devp2p handshakes

  • nethermind_handshake_timeouts​

    Number of devp2p handshake timeouts

  • nethermind_incoming_connections​

    Number of incoming connection.

  • nethermind_incoming_p2_p_message_bytes​

    Bytes of incoming p2p packets.

  • nethermind_incoming_p2_p_messages​

    Number of incoming p2p packets.

  • nethermind_local_disconnects_total​

    Number of local disconnects

  • nethermind_outgoing_connections​

    Number of outgoing connection.

  • nethermind_outgoing_p2_p_message_bytes​

    Bytes of outgoing p2p packets.

  • nethermind_outgoing_p2_p_messages​

    Number of outgoing p2p packets.

  • nethermind_peer_limit​

    The maximum number of peers this node allows to connect.

  • nethermind_remote_disconnects_total​

    Number of remote disconnects

Pruning​

  • nethermind_cached_nodes_count​

    Nodes that are currently kept in cache (either persisted or not)

  • nethermind_committed_nodes_count​

    Nodes that have been committed since the session start. These nodes may have been pruned, persisted or replaced.

  • nethermind_deep_pruned_persisted_nodes_count​

    Nodes that have been removed from the cache during deep pruning because they have been persisted before.

  • nethermind_deep_pruning_time​

    Time taken by the last deep pruning.

  • nethermind_last_persisted_block_number​

    Last persisted block number (snapshot).

  • nethermind_loaded_from_cache_nodes_count​

    Number of reads from the node cache.

  • nethermind_loaded_from_db_nodes_count​

    Number of DB reads.

  • nethermind_loaded_from_rlp_cache_nodes_count​

    Number of reads from the RLP cache.

  • nethermind_memory_used_by_cache​

    Estimated memory used by cache.

  • nethermind_persisted_node_count​

    Nodes that have been persisted since the session start.

  • nethermind_pruned_persisted_nodes_count​

    Nodes that have been removed from the cache during pruning because they have been persisted before.

  • nethermind_pruned_transient_nodes_count​

    Nodes that have been removed from the cache during pruning because they were no longer needed.

  • nethermind_pruning_time​

    Time taken by the last pruning.

  • nethermind_removed_node_count​

    Nodes that was removed via live pruning.

  • nethermind_replaced_nodes_count​

    Number of nodes that have been exactly the same as other nodes in the cache when committing.

  • nethermind_snapshot_persistence_time​

    Time taken by the last snapshot persistence.

Runner​

  • nethermind_version​

    Version number

Shutter​

  • nethermind_shutter_bad_transactions​

    Number of invalid transactions that could not be included.

  • nethermind_shutter_encrypted_gas_used​

    Amount of encrypted gas used.

  • nethermind_shutter_eon​

    Eon of the latest block.

  • nethermind_shutter_keypers​

    Size of keyper set in current eon.

  • nethermind_shutter_keys_missed​

    Number of keys not received.

  • nethermind_shutter_keys_received_time_offset​

    Relative time offset (ms) from slot boundary that keys were received.

  • nethermind_shutter_threshold​

    Number of keypers assumed to be honest and online for current eon.

  • nethermind_shutter_transactions​

    Number of transactions included.

  • nethermind_shutter_tx_pointer​

    Number of transactions since Shutter genesis.

Synchronization​

  • nethermind_sync_peers​

    Number of sync peers.

Trie​

  • nethermind_tree_node_hash_calculations​

    Number of trie node hash calculations.

  • nethermind_tree_node_rlp_decodings​

    Number of trie node RLP decodings.

  • nethermind_tree_node_rlp_encodings​

    Number of trie node RLP encodings.

TxPool​

  • nethermind_blobs_in_block​

    Number of blobs in the block.

  • nethermind_blob_transaction_count​

    Number of blob transactions in pool.

  • nethermind_blob_transactions_in_block​

    Number of blob transactions in the block.

  • nethermind_dark_pool_ratio_level1​

    Ratio of transactions in the block absent in hashCache.

  • nethermind_dark_pool_ratio_level2​

    Ratio of transactions in the block absent in pending transactions.

  • nethermind_eip1559_transactions_ratio​

    Ratio of 1559-type transactions in the block.

  • nethermind_pending1559_transactions_added​

    Number of pending 1559-type transactions added to transaction pool.

  • nethermind_pending_blob_transactions_added​

    Number of pending blob-type transactions added to transaction pool.

  • nethermind_pending_transactions_added​

    Number of pending transactions added to transaction pool.

  • nethermind_pending_transactions_balance_below_value​

    Number of pending transactions received that were ignored because balance is less than txn value.

  • nethermind_pending_transactions_conflicting_tx_type​

    Number of transactions rejected because of already pending tx of other type (allowed blob txs or others, not both at once).

  • nethermind_pending_transactions_discarded​

    Number of pending transactions received that were ignored.

  • nethermind_pending_transactions_evicted​

    Number of pending transactions evicted from transaction pool.

  • nethermind_pending_transactions_gas_limit_too_high​

    Number of pending transactions received that were ignored because the gas limit was to high for the block.

  • nethermind_pending_transactions_hashes_received​

    Number of hashes of pending transactions received from peers.

  • nethermind_pending_transactions_hashes_sent​

    Number of hashes of pending transactions broadcasted to peers.

  • nethermind_pending_transactions_known​

    Number of already known pending transactions.

  • nethermind_pending_transactions_low_nonce​

    Number of transactions with already used nonce.

  • nethermind_pending_transactions_malformed​

    Number of malformed transactions.

  • nethermind_pending_transactions_nonce_gap​

    Number of pending transactions received that were ignored because of not having preceding nonce of this sender in TxPool.

  • nethermind_pending_transactions_nonce_too_far_in_future​

    Number of transactions with nonce too far in future.

  • nethermind_pending_transactions_not_supported_tx_type​

    Number of pending transactions received that were ignored because of not supported transaction type.

  • nethermind_pending_transactions_passed_filters_but_cannot_compete_on_fees​

    Number of pending transactions received that were ignored after passing early rejections as balance is too low to compete with lowest effective fee in transaction pool.

  • nethermind_pending_transactions_passed_filters_but_cannot_replace​

    Number of pending transactions received that were trying to replace tx with the same sender and nonce and failed.

  • nethermind_pending_transactions_received​

    Number of pending transactions received from peers.

  • nethermind_pending_transactions_sent​

    Number of pending transactions broadcasted to peers.

  • nethermind_pending_transactions_too_low_balance​

    Number of pending transactions received that were ignored because balance too low for fee to be higher than the lowest fee in transaction pool.

  • nethermind_pending_transactions_too_low_fee​

    Number of pending transactions received that were ignored because of fee lower than the lowest fee in transaction pool.

  • nethermind_pending_transactions_too_low_priority_fee​

    Number of pending transactions received that were ignored because of priority fee lower than minimal requirement.

  • nethermind_pending_transactions_unresolvable_sender​

    Number of pending transactions received that were ignored because the sender couldn't be resolved.

  • nethermind_pending_transactions_with_expensive_filtering​

    Number of pending transactions that reached filters which are resource expensive

  • nethermind_pending_transactions_zero_balance​

    Number of pending transactions received that were ignored because balance is zero and cannot pay gas.

  • nethermind_transaction_count​

    Number of transactions in pool.