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snp: solana network protocol
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‎book/api/metrics-generated.md‎

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| <span class="metrics-name">exec_&#8203;progcache_&#8203;invalidations</span> | counter | Number of program cache invalidations |
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</div>
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## Snp Tile
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<div class="metrics">
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| Metric | Type | Description |
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|--------|------|-------------|
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| <span class="metrics-name">snp_&#8203;all_&#8203;dest_&#8203;meta_&#8203;cnt</span> | counter | The number of destinations from which we have metadata (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;dest_&#8203;meta_&#8203;snp_&#8203;available_&#8203;cnt</span> | counter | The number of SNP-available destination (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;dest_&#8203;meta_&#8203;snp_&#8203;enabled_&#8203;cnt</span> | counter | The number of SNP-enabled destinations (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;conn_&#8203;cur_&#8203;total</span> | counter | The number of current created connections (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;conn_&#8203;cur_&#8203;established</span> | counter | The number of currently established connections (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;conn_&#8203;acc_&#8203;total</span> | counter | The number of accumulated created connections (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;conn_&#8203;acc_&#8203;established</span> | counter | The number of accumulated established connections (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;conn_&#8203;acc_&#8203;dropped</span> | counter | The number of accumulated dropped connections (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;conn_&#8203;acc_&#8203;dropped_&#8203;handshake</span> | counter | The number of accumulated dropped connections during handshake (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;conn_&#8203;acc_&#8203;dropped_&#8203;established</span> | counter | The number of accumulated dropped connections that had been established (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;conn_&#8203;acc_&#8203;dropped_&#8203;set_&#8203;identity</span> | counter | The number of accumulated dropped connections due to set identity (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;tx_&#8203;bytes_&#8203;via_&#8203;udp_&#8203;to_&#8203;snp_&#8203;avail_&#8203;cnt</span> | counter | The number of bytes sent via UDP to a SNP-available destination (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;tx_&#8203;pkts_&#8203;via_&#8203;udp_&#8203;to_&#8203;snp_&#8203;avail_&#8203;cnt</span> | counter | The number of packets sent via UDP to a SNP-available destination (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;tx_&#8203;bytes_&#8203;via_&#8203;udp_&#8203;cnt</span> | counter | The number of bytes sent via UDP (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;tx_&#8203;bytes_&#8203;via_&#8203;snp_&#8203;cnt</span> | counter | The number of bytes sent via SNP (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;tx_&#8203;pkts_&#8203;via_&#8203;udp_&#8203;cnt</span> | counter | The number of packets sent via UDP (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;tx_&#8203;pkts_&#8203;via_&#8203;snp_&#8203;cnt</span> | counter | The number of packets sent via SNP (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;tx_&#8203;pkts_&#8203;dropped_&#8203;no_&#8203;credits_&#8203;cnt</span> | counter | The number of packets that were not sent due to insufficient flow credits (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;rx_&#8203;bytes_&#8203;cnt</span> | counter | The number of bytes received (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;rx_&#8203;bytes_&#8203;via_&#8203;udp_&#8203;cnt</span> | counter | The number of bytes received via UDP (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;rx_&#8203;bytes_&#8203;via_&#8203;snp_&#8203;cnt</span> | counter | The number of bytes received via SNP (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;rx_&#8203;pkts_&#8203;cnt</span> | counter | The number of packets received (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;rx_&#8203;pkts_&#8203;via_&#8203;udp_&#8203;cnt</span> | counter | The number of packets received via UDP (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;rx_&#8203;pkts_&#8203;via_&#8203;snp_&#8203;cnt</span> | counter | The number of packets received via SNP (all connections) |
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| <span class="metrics-name">snp_&#8203;all_&#8203;rx_&#8203;pkts_&#8203;dropped_&#8203;no_&#8203;credits_&#8203;cnt</span> | counter | The number of packets that were received but dropped due to insufficient flow credits (all connections) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;dest_&#8203;meta_&#8203;cnt</span> | counter | The number of destinations from which we have metadata (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;dest_&#8203;meta_&#8203;snp_&#8203;available_&#8203;cnt</span> | counter | The number of SNP-available destination (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;dest_&#8203;meta_&#8203;snp_&#8203;enabled_&#8203;cnt</span> | counter | The number of SNP-enabled destinations (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;conn_&#8203;cur_&#8203;total</span> | counter | The number of current created connections (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;conn_&#8203;cur_&#8203;established</span> | counter | The number of currently established connections (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;conn_&#8203;acc_&#8203;total</span> | counter | The number of accumulated created connections (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;conn_&#8203;acc_&#8203;established</span> | counter | The number of accumulated established connections (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;conn_&#8203;acc_&#8203;dropped</span> | counter | The number of accumulated dropped connections (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;conn_&#8203;acc_&#8203;dropped_&#8203;handshake</span> | counter | The number of accumulated dropped connections during handshake (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;conn_&#8203;acc_&#8203;dropped_&#8203;established</span> | counter | The number of accumulated dropped connections that had been established (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;conn_&#8203;acc_&#8203;dropped_&#8203;set_&#8203;identity</span> | counter | The number of accumulated dropped connections due to set identity (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;tx_&#8203;bytes_&#8203;via_&#8203;udp_&#8203;to_&#8203;snp_&#8203;avail_&#8203;cnt</span> | counter | The number of bytes sent via UDP to a SNP-available destination (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;tx_&#8203;pkts_&#8203;via_&#8203;udp_&#8203;to_&#8203;snp_&#8203;avail_&#8203;cnt</span> | counter | The number of packets sent via UDP to a SNP-available destination (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;tx_&#8203;bytes_&#8203;via_&#8203;udp_&#8203;cnt</span> | counter | The number of bytes sent via UDP (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;tx_&#8203;bytes_&#8203;via_&#8203;snp_&#8203;cnt</span> | counter | The number of bytes sent via SNP (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;tx_&#8203;pkts_&#8203;via_&#8203;udp_&#8203;cnt</span> | counter | The number of packets sent via UDP (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;tx_&#8203;pkts_&#8203;via_&#8203;snp_&#8203;cnt</span> | counter | The number of packets sent via SNP (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;tx_&#8203;pkts_&#8203;dropped_&#8203;no_&#8203;credits_&#8203;cnt</span> | counter | The number of packets that were not sent due to insufficient flow credits (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;rx_&#8203;bytes_&#8203;cnt</span> | counter | The number of bytes received (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;rx_&#8203;bytes_&#8203;via_&#8203;udp_&#8203;cnt</span> | counter | The number of bytes received via UDP (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;rx_&#8203;bytes_&#8203;via_&#8203;snp_&#8203;cnt</span> | counter | The number of bytes received via SNP (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;rx_&#8203;pkts_&#8203;cnt</span> | counter | The number of packets received (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;rx_&#8203;pkts_&#8203;via_&#8203;udp_&#8203;cnt</span> | counter | The number of packets received via UDP (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;rx_&#8203;pkts_&#8203;via_&#8203;snp_&#8203;cnt</span> | counter | The number of packets received via SNP (SNP-enforced connections only) |
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| <span class="metrics-name">snp_&#8203;enf_&#8203;rx_&#8203;pkts_&#8203;dropped_&#8203;no_&#8203;credits_&#8203;cnt</span> | counter | The number of packets that were received but dropped due to insufficient flow credits (SNP-enforced connections only) |
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</div>

‎src/app/fdctl/Local.mk‎

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$(call make-lib,fdctl_version)
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$(call add-objs,version,fdctl_version)
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$(call make-bin-rust,fdctl,main,fd_fdctl fdctl_shared fdctl_platform fd_discoh fd_disco agave_validator fd_flamenco fd_funk fd_quic fd_tls fd_reedsol fd_waltz fd_tango fd_ballet fd_util fdctl_version)
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$(call make-bin-rust,fdctl,main,fd_fdctl fdctl_shared fdctl_platform fd_discoh fd_disco agave_validator fd_flamenco fd_funk fd_quic fd_tls fd_snp fd_reedsol fd_waltz fd_tango fd_ballet fd_util fdctl_version)
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check-agave-hash:
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@$(eval AGAVE_COMMIT_LS_TREE=$(shell git ls-tree HEAD | grep agave | awk '{print $$3}'))

‎src/app/fdctl/config/default.toml‎

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# slow clients but also increase memory usage.
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send_buffer_size_mb = 5120
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# SNP tile handles the Solana Network Protocol (SNP), both ingress
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# and egress.
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[tiles.snp]
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# SNP is currently optional, and disabled by default.
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enabled = false
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# With SNP currently optional, the validator auto detects if
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# peers have SNP enabled or not, and gracefully degrades to
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# UDP for peers that don't support SNP.
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# SNP can be enforced for a specific set of destinations.
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# For these, SNP will be required and not downgraded to UDP.
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enforced_destinations = []
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# These options can be useful for development, but should not be used
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# when connecting to a live cluster, as they may cause the validator to
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# be unstable or have degraded performance or security. The program

‎src/app/fdctl/main.c‎

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@@ -50,6 +50,7 @@ extern fd_topo_run_tile_t fd_tile_verify;
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extern fd_topo_run_tile_t fd_tile_dedup;
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extern fd_topo_run_tile_t fd_tile_pack;
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extern fd_topo_run_tile_t fd_tile_shred;
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extern fd_topo_run_tile_t fd_tile_snp;
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extern fd_topo_run_tile_t fd_tile_sign;
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extern fd_topo_run_tile_t fd_tile_metric;
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extern fd_topo_run_tile_t fd_tile_cswtch;
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&fd_tile_dedup,
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&fd_tile_pack,
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&fd_tile_shred,
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&fd_tile_snp,
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&fd_tile_sign,
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&fd_tile_metric,
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&fd_tile_cswtch,

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