disabling cache; it's not really necessary.

cachedb/_static/cache.schema.sql

@@ -1,31 +1,43 @@
-PRAGMA foreign_keys=OFF;
+PRAGMA foreign_keys= OFF;
+PRAGMA journal_mode = WAL;
 BEGIN TRANSACTION;
-CREATE TABLE tunnels (
-	tun_id INTEGER NOT NULL PRIMARY KEY,
-	cksum_crc32 INTEGER NOT NULL,
-	"desc" TEXT,
-	server_v4 TEXT NOT NULL,
-	current_client_v4 TEXT NOT NULL,
-	tunnel_server_v6 TEXT NOT NULL,
-	tunnel_client_v6 TEXT NOT NULL,
-	prefix_64 TEXT NOT NULL,
-	prefix_48 TEXT,
-	rdns_1 TEXT,
-	rdns_2 TEXT,
-	rdns_3 TEXT,
-	rdns_4 TEXT,
-	rdns_5 TEXT,
-	created INTEGER NOT NULL,
-	checked INTEGER NOT NULL,
-	updated INTEGER
+CREATE TABLE tunnels
+(
+    tun_id            INTEGER   NOT NULL PRIMARY KEY,
+    cksum_crc32       INTEGER   NOT NULL,
+    "desc"            TEXT,
+    server_v4         TEXT      NOT NULL,
+    current_client_v4 TEXT      NOT NULL,
+    tunnel_server_v6  TEXT      NOT NULL,
+    tunnel_client_v6  TEXT      NOT NULL,
+    prefix_64         TEXT      NOT NULL,
+    prefix_48         TEXT,
+    rdns_1            TEXT,
+    rdns_2            TEXT,
+    rdns_3            TEXT,
+    rdns_4            TEXT,
+    rdns_5            TEXT,
+    created           TIMESTAMP NOT NULL,
+    checked           TIMESTAMP NOT NULL,
+    updated           TIMESTAMP
 );
-CREATE TABLE client_ips (
-	id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
-	tun_id INTEGER NOT NULL,
-	client_ip INTEGER NOT NULL,
-	when_set INTEGER NOT NULL, when_fetched INTEGER,
-	CONSTRAINT client_ips_tunnels_FK FOREIGN KEY (tun_id) REFERENCES tunnels(tun_id) ON DELETE CASCADE ON UPDATE CASCADE
+CREATE TABLE client_ips
+(
+    id           INTEGER   NOT NULL PRIMARY KEY AUTOINCREMENT,
+    tun_id       INTEGER   NOT NULL,
+    client_ip    INTEGER   NOT NULL,
+    when_set     TIMESTAMP NOT NULL,
+    when_fetched TIMESTAMP,
+    CONSTRAINT client_ips_tunnels_FK FOREIGN KEY (tun_id) REFERENCES tunnels (tun_id) ON DELETE CASCADE ON UPDATE CASCADE
+);
+INSERT INTO sqlite_sequence
+VALUES ('client_ips', 0);
+CREATE TABLE metadata
+(
+    key     TEXT NOT NULL,
+    value   TEXT,
+    created TIMESTAMP NOT NULL,
+    updated TIMESTAMP
 );
-INSERT INTO sqlite_sequence VALUES('client_ips',0);
 COMMIT;
-PRAGMA foreign_keys=ON;
+PRAGMA foreign_keys= ON;