Metrics

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

• Grafana and Prometheus
• dotnet-counters

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_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_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

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.