Persistence — Redis

JedisPoolConfig config = new JedisPoolConfig();
config.setMaxTotal(32);        // :36
config.setMaxIdle(32);         // :37
config.setMinIdle(8);          // :38
config.setTestOnBorrow(false); // :39
config.setTestOnReturn(false); // :40
config.setTestWhileIdle(true); // :41
config.setMinEvictableIdleDuration(Duration.ofMinutes(1)); // :42
config.setTimeBetweenEvictionRuns(Duration.ofSeconds(30)); // :43
config.setBlockWhenExhausted(true); // :45
pool = new JedisPool(config, "localhost", 6379, CONNECTION_TIMEOUT_MS);
for (int i=0;i<8;i++) warmup.add(pool.getResource()); // :51

public enum RedisKey { R4J_SUMMONER("r4j:summoner:by-id:%s:%s", Duration.ofSeconds(60)), ... }
RedisKey(String pattern, Duration ttl) { this.pattern = pattern; this.ttl = ttl; this.prefix = App.isTesting() ? "beebot_test:lol" : "beebot:lol"; }
public String of(Object... args) { return String.format(prefix + ":" + pattern, args); }
public int ttlSeconds() { return (int) ttl.toSeconds(); }

MessageDigest sha256 = MessageDigest.getInstance("SHA-256");
byte[] hash = sha256.digest(puuid.getBytes(StandardCharsets.UTF_8));
byte[] member = Arrays.copyOf(hash, 16); // 16B
double score = TierDivisionUtils.getMmr(tierDivision, lp); // mmr
// IRON_IV=0 +100/div, MASTER=10000, GM=20000, CHALL=30000 + lp

// Leaderboard — reverse rank (position)
List<Long> ranks = RedisClient.reverseRanks(
    List.of("beebot:lol:los:leaderboard:EUW1:RANKED_SOLO_5X5:CHALLENGER"),
    List.of(member16B) // byte[]
); // zrevrank

// Count above score
List<Long> counts = RedisClient.countsAbove(
    List.of("beebot:lol:los:leaderboard:EUW1:RANKED_SOLO_5X5"),
    List.of(15000.0) // mmr
); // zcount (score, +inf)

// Pipeline mget for LeaderboardPage
Map<String, Summoner> map = RedisClient.get(keys, Summoner.class); // mget

// Atomic build
boolean ok = RedisClient.buildSortedSet(tmpKey, key, 60, 60, emitter -> {
    for (Entry e : entries) emitter.accept(new SortedSetEntry(member16B, e.mmr()));
});
// addSortedSet → expire tmp → rename → expire/persist

private static final long RETRY_AFTER_FAILURE_MS = 30_000; // :30
private static volatile long disabledUntil; // :32
private static boolean canUseRedis() { return System.currentTimeMillis() >= disabledUntil; } // :545
private static void markUnavailable() { disabledUntil = System.currentTimeMillis() + 30_000; } // :549
private static void markAvailable() { disabledUntil = 0; } // :553

// RedisKey.java:67
this.prefix = App.isTesting() ? "beebot_test:lol" : "beebot:lol";
public String of(Object... args) { return String.format(prefix + ":" + pattern, args); }

// MatchService.java:65 and ProfileService.java:46
Match cached = RedisClient.get(RedisKey.MATCH_DETAIL.of(cacheRegion, shard, gameId), Match.class);
if (cached != null) return ApiResult.ready(cached);
Match stored = MongoDB.findMatch(gameId);
if (stored != null) RedisClient.set(RedisKey.MATCH_DETAIL, stored, cacheRegion, shard, gameId);
return stored;