# Redis Configuration for Foxhunt HFT Trading System
# Optimized for high-performance trading workloads

#============================================================================
# NETWORK
#============================================================================
bind 0.0.0.0
port 6379
tcp-backlog 511
timeout 0
tcp-keepalive 300

#============================================================================
# GENERAL
#============================================================================
daemonize no
supervised no
pidfile /var/run/redis.pid
loglevel notice
logfile ""
databases 16

#============================================================================
# SECURITY
#============================================================================
# Password will be set via command line arguments
# requirepass will be set via Docker environment

# Disable dangerous commands in production
rename-command FLUSHDB ""
rename-command FLUSHALL ""
rename-command KEYS ""
rename-command CONFIG "FOXHUNT_CONFIG_df8903bc"
rename-command DEBUG ""
rename-command EVAL ""

# Enable protected mode
protected-mode yes

#============================================================================
# MEMORY MANAGEMENT
#============================================================================
maxmemory 1gb
maxmemory-policy allkeys-lru
maxmemory-samples 5

#============================================================================
# PERSISTENCE - Balanced for performance and durability
#============================================================================
# RDB Snapshots
save 900 1      # Save if at least 1 key changed in 900 seconds
save 300 10     # Save if at least 10 keys changed in 300 seconds
save 60 10000   # Save if at least 10000 keys changed in 60 seconds

stop-writes-on-bgsave-error yes
rdbcompression yes
rdbchecksum yes
dbfilename dump.rdb

# AOF (Append Only File) for better durability
appendonly yes
appendfilename "appendonly.aof"
appendfsync everysec
no-appendfsync-on-rewrite no
auto-aof-rewrite-percentage 100
auto-aof-rewrite-min-size 64mb
aof-load-truncated yes
aof-use-rdb-preamble yes

#============================================================================
# REPLICATION
#============================================================================
# replica-serve-stale-data yes
# replica-read-only yes
# repl-diskless-sync no
# repl-diskless-sync-delay 5
# replica-priority 100

#============================================================================
# SLOW LOG
#============================================================================
slowlog-log-slower-than 10000  # 10ms threshold
slowlog-max-len 128

#============================================================================
# LATENCY MONITORING
#============================================================================
latency-monitor-threshold 100

#============================================================================
# EVENT NOTIFICATION
#============================================================================
notify-keyspace-events "Ex"  # Enable keyspace notifications for expired events

#============================================================================
# ADVANCED CONFIG
#============================================================================
hash-max-ziplist-entries 512
hash-max-ziplist-value 64
list-max-ziplist-size -2
list-compress-depth 0
set-max-intset-entries 512
zset-max-ziplist-entries 128
zset-max-ziplist-value 64
hll-sparse-max-bytes 3000

activerehashing yes

client-output-buffer-limit normal 0 0 0
client-output-buffer-limit replica 256mb 64mb 60
client-output-buffer-limit pubsub 32mb 8mb 60

hz 10

dynamic-hz yes

aof-rewrite-incremental-fsync yes

rdb-save-incremental-fsync yes

#============================================================================
# HFT SPECIFIC OPTIMIZATIONS
#============================================================================
# TCP socket configuration for low latency
tcp-nodelay yes
so-keepalive yes

# Memory optimization
maxclients 10000
timeout 0

# Background save frequency optimized for trading
save 60 1000

# Disable some features that add latency
lazyfree-lazy-eviction no
lazyfree-lazy-expire no
lazyfree-lazy-server-del no
replica-lazy-flush no

# Optimize for small objects (typical in HFT)
hash-max-ziplist-entries 512
hash-max-ziplist-value 64

# Enable jemalloc optimizations
jemalloc-bg-thread yes

# Lua script cache
lua-replicate-commands yes