# Redis configuration for my-uploader-bot
# Optimized for production use with caching and session storage

# Network configuration
bind 0.0.0.0
port 6379
tcp-backlog 511
timeout 300
tcp-keepalive 300

# General configuration
daemonize no
supervised no
pidfile /var/run/redis_6379.pid
loglevel notice
logfile ""
databases 16

# Security
# requirepass your_redis_password_here
# rename-command FLUSHDB ""
# rename-command FLUSHALL ""
# rename-command DEBUG ""

# Memory management
maxmemory 2gb
maxmemory-policy allkeys-lru
maxmemory-samples 5

# Persistence configuration
# RDB (Redis Database) snapshots
save 900 1
save 300 10
save 60 10000
stop-writes-on-bgsave-error yes
rdbcompression yes
rdbchecksum yes
dbfilename dump.rdb
dir /data

# AOF (Append Only File)
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

# Slow log
slowlog-log-slower-than 10000
slowlog-max-len 128

# Latency monitoring
latency-monitor-threshold 100

# Client configuration
maxclients 10000

# Advanced configuration
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
stream-node-max-bytes 4096
stream-node-max-entries 100

# Active rehashing
activerehashing yes

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

# Client query buffer limit
client-query-buffer-limit 1gb

# Protocol buffer limit
proto-max-bulk-len 512mb

# Frequency of background tasks
hz 10

# Dynamic HZ
dynamic-hz yes

# AOF rewrite incremental fsync
aof-rewrite-incremental-fsync yes

# RDB save incremental fsync
rdb-save-incremental-fsync yes

# Jemalloc background thread
jemalloc-bg-thread yes

# TLS Configuration (if needed)
# port 0
# tls-port 6380
# tls-cert-file redis.crt
# tls-key-file redis.key
# tls-ca-cert-file ca.crt

# Modules (if needed)
# loadmodule /path/to/module.so

# Custom configuration for my-uploader-bot
# Session storage database
# Database 0: General cache
# Database 1: Session storage
# Database 2: Upload queue
# Database 3: Blockchain cache
# Database 4: User activity
# Database 5: Rate limiting
# Database 6: Temporary data
# Database 7: Analytics
# Database 8-15: Reserved for future use

# Performance tuning for caching workload
# Optimize for read-heavy workload
replica-read-only yes
replica-serve-stale-data yes
replica-priority 100

# Memory usage optimization
# Use jemalloc for better memory management
# Disable transparent huge pages for better latency

# Monitoring and debugging
# Enable keyspace notifications for specific events
notify-keyspace-events "Ex"

# Client timeout for idle connections
# timeout 300 (already set above)

# TCP keepalive
# tcp-keepalive 300 (already set above)

# Background saving
# stop-writes-on-bgsave-error yes (already set above)

# Compression
# rdbcompression yes (already set above)

# Checksum
# rdbchecksum yes (already set above)

# Auto memory report
oom-score-adj no

# Disable some potentially dangerous commands in production
# rename-command SHUTDOWN SHUTDOWN_MYUPLOADER
# rename-command CONFIG CONFIG_MYUPLOADER

# Enable protected mode (default)
protected-mode yes

# Disable dangerous commands
# rename-command EVAL ""
# rename-command SCRIPT ""

# Set maximum memory usage warning
# When memory usage reaches 80% of maxmemory, log warnings
# This is handled by application monitoring

# Custom settings for upload service
# Optimize for frequent key expiration
active-expire-ratio 25

# Optimize for small objects (typical for session data)
# Already configured above with ziplist settings

# Enable lazy freeing for better performance
lazyfree-lazy-eviction yes
lazyfree-lazy-expire yes
lazyfree-lazy-server-del yes
replica-lazy-flush yes

# IO threading (Redis 6.0+)
# io-threads 4
# io-threads-do-reads yes

# THP (Transparent Huge Pages) recommendation
# echo never > /sys/kernel/mm/transparent_hugepage/enabled
# Add this to your system configuration

# Kernel overcommit memory setting
# echo 1 > /proc/sys/vm/overcommit_memory
# Add this to your system configuration