Установка и настройка Redis

Установка пакета локально

Установка стандартная для Linux:

# yum install redis.x86_64
# systemctl enable redis
# systemctl start redis

Redis доступен на порту 6379.

Пример файла конфигурации:

bind 0.0.0.0
protected-mode yes
port 6379
tcp-backlog 511
timeout 0
tcp-keepalive 300
daemonize no
supervised no
pidfile /var/run/redis_6379.pid
loglevel notice
logfile /var/log/redis/redis.log
databases 16
always-show-logo yes
save 900 1
save 300 10
save 60 10000
stop-writes-on-bgsave-error yes
rdbcompression yes
rdbchecksum yes
dbfilename dump.rdb
dir /var/lib/redis
replica-serve-stale-data yes
replica-read-only yes
repl-diskless-sync no
repl-diskless-sync-delay 5
repl-disable-tcp-nodelay no
replica-priority 100
maxmemory 3221225472
lazyfree-lazy-eviction no
lazyfree-lazy-expire no
lazyfree-lazy-server-del no
replica-lazy-flush no
appendonly no
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
lua-time-limit 5000
slowlog-log-slower-than 10000
slowlog-max-len 128
latency-monitor-threshold 0
notify-keyspace-events ""
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
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

Подключиться к консоли redis:

# redis-cli

Запросить все ключи Redis:

# redis-cli --scan --pattern '*'

Запуск в Docker Compose

Файл docker-compose.yml:

version: '2'

services:
  redis:
    image: docker.io/bitnami/redis:7.0
    environment:
      - ALLOW_EMPTY_PASSWORD=yes
      - REDIS_DISABLE_COMMANDS=FLUSHDB,FLUSHALL
    ports:
      - '6379:6379'
    volumes:
      - './redis/redis_data:/bitnami/redis/data'
      - './redis/redis.conf:/opt/bitnami/redis/etc/redis.conf'

Пример файла конфигурации:

bind 0.0.0.0 ::
protected-mode no
port 6379
tcp-backlog 511
timeout 0
tcp-keepalive 300
port 6379
daemonize yes
pidfile /opt/bitnami/redis/tmp/redis.pid
loglevel notice
logfile ""
databases 16
always-show-logo no
set-proc-title yes
proc-title-template "{title} {listen-addr} {server-mode}"
stop-writes-on-bgsave-error yes
rdbcompression yes
rdbchecksum yes
dbfilename dump.rdb
rdb-del-sync-files no
dir /bitnami/redis/data
replica-serve-stale-data yes
replica-read-only yes
repl-diskless-sync yes
repl-diskless-sync-delay 5
repl-diskless-sync-max-replicas 0
repl-diskless-load disabled
repl-disable-tcp-nodelay no
replica-priority 100
acllog-max-len 128
lazyfree-lazy-eviction no
lazyfree-lazy-expire no
lazyfree-lazy-server-del no
replica-lazy-flush no
lazyfree-lazy-user-del no
lazyfree-lazy-user-flush no
oom-score-adj no
oom-score-adj-values 0 200 800
disable-thp yes
appendonly yes
appendfilename "appendonly.aof"
appenddirname "appendonlydir"
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
aof-timestamp-enabled no
maxmemory 3221225472
slowlog-log-slower-than 10000
slowlog-max-len 128
latency-monitor-threshold 0
notify-keyspace-events ""
hash-max-listpack-entries 512
hash-max-listpack-value 64
list-max-listpack-size -2
list-compress-depth 0
set-max-intset-entries 512
zset-max-listpack-entries 128
zset-max-listpack-value 64
hll-sparse-max-bytes 3000
stream-node-max-bytes 4096
stream-node-max-entries 100
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
jemalloc-bg-thread yes
rename-command FLUSHDB ""
rename-command FLUSHALL ""

Проверка, что все работает:

# docker exec -it f47038d64025 redis-cli --scan --pattern '*'

Адаптация для Docker Swarm

version: "3.9"

services:
  redis:
    image: docker.io/bitnami/redis:7.0
    environment:
      - ALLOW_EMPTY_PASSWORD=yes
      - REDIS_DISABLE_COMMANDS=FLUSHDB,FLUSHALL
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 1s
      timeout: 3s
      retries: 30
    deploy:
      resources:
        limits:
          cpus: '2'
          memory: 3072M
        reservations:
          cpus: '0.5'
          memory: 512M
    ports:
      - '6379:6379'
    volumes:
      - './redis/redis_data:/bitnami/redis/data'
      - './redis/redis.conf:/opt/bitnami/redis/etc/redis.conf'