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The AS page and /api/v1/as/{asn} grouped every route the AS originates
by prefix, reading one table row per peer and prefix and sorting them
all. They now take the AS's prefixes one at a time: one search of a new
index on origin_asn and prefix, which replaces the origin_asn index and
is written exactly when it was, and one search of the prefix and
last_updated index for the time of the prefix's newest route. Neither
reads the table. For a prefix more than one AS originates, that time is
now the newest route's from any origin. A hand-run benchmark reads an
AS of 5,000 prefixes from 500 peers.
Model: opus-5-5
149 lines
6.1 KiB
SQL
149 lines
6.1 KiB
SQL
-- IMPORTANT: This is the ONLY place where schema changes should be made.
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-- We do NOT support migrations. All schema changes MUST be in this file.
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-- DO NOT make schema changes anywhere else in the codebase.
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CREATE TABLE IF NOT EXISTS asns (
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asn INTEGER PRIMARY KEY,
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handle TEXT,
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description TEXT,
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-- WHOIS parsed fields
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as_name TEXT,
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org_name TEXT,
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org_id TEXT,
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address TEXT, -- full address (may be multi-line)
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country_code TEXT,
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abuse_email TEXT,
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abuse_phone TEXT,
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tech_email TEXT,
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tech_phone TEXT,
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rir TEXT, -- ARIN, RIPE, APNIC, LACNIC, AFRINIC
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rir_registration_date DATETIME,
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rir_last_modified DATETIME,
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-- Raw WHOIS response
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whois_raw TEXT, -- complete WHOIS response text
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-- Timestamps
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first_seen DATETIME NOT NULL,
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last_seen DATETIME NOT NULL,
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whois_updated_at DATETIME -- when we last fetched WHOIS data
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);
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-- IPv4 prefixes table. Every read and write finds a row by its prefix, so the
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-- rows are stored by prefix (WITHOUT ROWID) and need no index of their own.
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CREATE TABLE IF NOT EXISTS prefixes_v4 (
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prefix TEXT PRIMARY KEY,
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first_seen DATETIME NOT NULL
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) WITHOUT ROWID;
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-- IPv6 prefixes table, stored as prefixes_v4 is.
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CREATE TABLE IF NOT EXISTS prefixes_v6 (
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prefix TEXT PRIMARY KEY,
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first_seen DATETIME NOT NULL
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) WITHOUT ROWID;
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CREATE TABLE IF NOT EXISTS announcements (
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id TEXT PRIMARY KEY,
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prefix_id TEXT NOT NULL,
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peer_asn INTEGER NOT NULL,
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origin_asn INTEGER NOT NULL,
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path TEXT NOT NULL,
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next_hop TEXT,
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timestamp DATETIME NOT NULL,
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is_withdrawal BOOLEAN NOT NULL DEFAULT 0,
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FOREIGN KEY (peer_asn) REFERENCES asns(asn),
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FOREIGN KEY (origin_asn) REFERENCES asns(asn)
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);
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CREATE TABLE IF NOT EXISTS peerings (
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id TEXT PRIMARY KEY,
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as_a INTEGER NOT NULL,
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as_b INTEGER NOT NULL,
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first_seen DATETIME NOT NULL,
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last_seen DATETIME NOT NULL,
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UNIQUE(as_a, as_b)
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);
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-- BGP peers that send us messages
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CREATE TABLE IF NOT EXISTS bgp_peers (
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id TEXT PRIMARY KEY,
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peer_ip TEXT UNIQUE NOT NULL,
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peer_asn INTEGER NOT NULL,
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first_seen DATETIME NOT NULL,
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last_seen DATETIME NOT NULL,
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last_message_type TEXT
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);
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CREATE INDEX IF NOT EXISTS idx_announcements_timestamp ON announcements(timestamp);
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CREATE INDEX IF NOT EXISTS idx_announcements_prefix_id ON announcements(prefix_id);
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CREATE INDEX IF NOT EXISTS idx_announcements_peer_asn ON announcements(peer_asn);
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CREATE INDEX IF NOT EXISTS idx_announcements_origin_asn ON announcements(origin_asn);
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CREATE INDEX IF NOT EXISTS idx_peerings_as_a ON peerings(as_a);
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CREATE INDEX IF NOT EXISTS idx_peerings_as_b ON peerings(as_b);
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CREATE INDEX IF NOT EXISTS idx_peerings_lookup ON peerings(as_a, as_b);
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-- Indexes for asns table
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CREATE INDEX IF NOT EXISTS idx_asns_asn ON asns(asn);
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CREATE INDEX IF NOT EXISTS idx_asns_whois_updated_at ON asns(whois_updated_at);
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-- Indexes for bgp_peers table
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CREATE INDEX IF NOT EXISTS idx_bgp_peers_asn ON bgp_peers(peer_asn);
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CREATE INDEX IF NOT EXISTS idx_bgp_peers_last_seen ON bgp_peers(last_seen);
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CREATE INDEX IF NOT EXISTS idx_bgp_peers_ip ON bgp_peers(peer_ip);
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-- IPv4 routing table maintained by PrefixHandler. A route write changes the
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-- table and its entry in every index on a column the write sets, so the table
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-- has only the indexes that the queries named with them use.
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CREATE TABLE IF NOT EXISTS live_routes_v4 (
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-- The row id, which the prefix-length pages' sample draws through the
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-- mask_length index. Declared as a column, it stays the same for as long
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-- as the route is live, also through a VACUUM.
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id INTEGER PRIMARY KEY,
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prefix TEXT NOT NULL,
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mask_length INTEGER NOT NULL, -- CIDR mask length (0-32)
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origin_asn INTEGER NOT NULL,
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peer_ip TEXT NOT NULL,
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as_path TEXT NOT NULL, -- JSON array
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next_hop TEXT NOT NULL,
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last_updated DATETIME NOT NULL,
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-- A peer has at most one route for a prefix. This key finds the route a
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-- write updates or deletes and, peer_ip coming first, all of a peer's
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-- routes when its BGP session goes down.
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UNIQUE(peer_ip, prefix)
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);
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-- IPv6 routing table maintained by PrefixHandler, as live_routes_v4.
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CREATE TABLE IF NOT EXISTS live_routes_v6 (
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id INTEGER PRIMARY KEY,
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prefix TEXT NOT NULL,
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mask_length INTEGER NOT NULL, -- CIDR mask length (0-128)
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origin_asn INTEGER NOT NULL,
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peer_ip TEXT NOT NULL,
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as_path TEXT NOT NULL, -- JSON array
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next_hop TEXT NOT NULL,
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last_updated DATETIME NOT NULL,
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UNIQUE(peer_ip, prefix)
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);
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-- Indexes for both live route tables, and the queries that use each.
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--
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-- prefix, last_updated: a prefix's routes, for the prefix page and its API
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-- answer, the IP lookup and its peer count, and the check whether a prefix
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-- still has a live route; and a prefix's newest route for the prefix-length
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-- pages and the AS page, in one search whatever the number of peers.
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CREATE INDEX IF NOT EXISTS idx_live_routes_v4_prefix_last_updated ON live_routes_v4(prefix, last_updated);
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CREATE INDEX IF NOT EXISTS idx_live_routes_v6_prefix_last_updated ON live_routes_v6(prefix, last_updated);
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-- mask_length: the prefix-length pages' random sample, the row id range of a
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-- mask length and the first route of it at or after a row id.
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CREATE INDEX IF NOT EXISTS idx_live_routes_v4_mask_length ON live_routes_v4(mask_length);
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CREATE INDEX IF NOT EXISTS idx_live_routes_v6_mask_length ON live_routes_v6(mask_length);
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-- mask_length, prefix: the prefix-length pages' list of a mask length's
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-- prefixes in text order, and the prefix distribution read at startup.
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CREATE INDEX IF NOT EXISTS idx_live_routes_v4_mask_prefix ON live_routes_v4(mask_length, prefix);
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CREATE INDEX IF NOT EXISTS idx_live_routes_v6_mask_prefix ON live_routes_v6(mask_length, prefix);
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-- origin_asn, prefix: the prefixes an AS originates, each in one search
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-- whatever the number of peers, for the AS page and its API answer.
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CREATE INDEX IF NOT EXISTS idx_live_routes_v4_origin_prefix ON live_routes_v4(origin_asn, prefix);
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CREATE INDEX IF NOT EXISTS idx_live_routes_v6_origin_prefix ON live_routes_v6(origin_asn, prefix);
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-- last_updated: the oldest and newest route times in /api/v1/stats and
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-- /status.json.
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CREATE INDEX IF NOT EXISTS idx_live_routes_v4_last_updated ON live_routes_v4(last_updated);
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CREATE INDEX IF NOT EXISTS idx_live_routes_v6_last_updated ON live_routes_v6(last_updated); |