Valkey Operations Reference

Routing

• Install, build from source, package manager, Docker, Compose, systemd, bare metal, multi-instance -> Deployment
• Config tuning, maxmemory, eviction, encoding thresholds, lazyfree, logging, CPU pinning, workload presets, pubsub buffers -> Configuration
• High availability, Sentinel, failover detection, quorum, split-brain, min-replicas -> Sentinel
• Cluster setup, hash slots, resharding, node add/remove, atomic migration, replica migration, consistency -> Cluster
• Persistence, RDB, AOF, hybrid, fsync, BGSAVE, backup, restore, disaster recovery -> Persistence
• Replication, primary-replica, REPLICAOF, backlog, diskless sync, dual-channel, replication lag -> Replication
• ACL, TLS, certificates, mutual TLS, protected mode, rename-command, hardening, network security -> Security
• Monitoring, INFO, metrics, Prometheus, Grafana, alerting, commandlog, slow log -> Monitoring
• Performance, I/O threads, memory fragmentation, defragmentation, latency, durability, client-side caching, CLIENT TRACKING, benchmarking -> Performance
• OOM, out of memory, crashes, slow commands, replication lag diagnosis, cluster partitions, network splits, diagnostics -> Troubleshooting
• Version upgrades, compatibility, Redis to Valkey migration, rolling upgrade -> Upgrades
• Kubernetes, Helm, operators, StatefulSet, PVC, probes, resource sizing, kernel tuning -> Kubernetes
• Capacity planning, memory sizing, connection planning, cluster sizing -> Operations
• Pre-launch check, production readiness, go-live checklist -> Production Checklist

Deployment

Topic	Reference
Package managers, building from source, build flags	install
Docker images (official, Bitnami), cluster example	docker-images
Compose patterns, volumes, networking, config injection	docker-patterns
systemd service, kernel tuning, multi-instance	bare-metal

Configuration

Topic	Reference
Essential parameters with verified defaults	essentials
Eviction policies, LRU/LFU tuning	eviction
Memory encoding thresholds per data type	encoding
Config presets by workload (cache, store, session, queue, rate limiter)	workload-presets
Lazy free config (UNLINK, async eviction/expiry)	lazyfree
Logging, OOM score, shutdown, CPU pinning, unix sockets, active expiration, protocol limits	advanced
Pub/Sub buffer limits, keyspace notifications, sharded pub/sub, subscriber memory	pubsub

Sentinel (High Availability)

Topic	Reference
How Sentinel works, failure detection, election	architecture
Step-by-step deployment, config directives	sentinel-deployment
Tuning, cross-DC, Docker/NAT, coordinated failover, systemd	sentinel-advanced
Split-brain prevention, min-replicas settings	split-brain

Cluster

Topic	Reference
Network requirements, config, cluster creation, hash slots	setup
Resharding, adding/removing nodes, atomic migration (9.0)	resharding
Manual failover, health checks, replica migration, scaling, rolling restart runbook	operations
Consistency guarantees, write safety, partition behavior	consistency

Persistence

Topic	Reference
RDB configuration, save directives, BGSAVE	rdb
AOF configuration, fsync policies, hybrid mode	aof
Automated backup scripts, off-site backup, retention	backup-strategies
Disaster recovery, FLUSHALL recovery, verification	disaster-recovery

Replication

Topic	Reference
Primary-replica setup, REPLICAOF, sync mechanisms	setup
Backlog sizing, diskless sync, dual-channel, Docker/NAT	tuning
min-replicas safety, critical warnings, data loss prevention	safety

Security

Topic	Reference
ACL users, roles, categories, practical examples	acl
TLS setup, certificates, mutual TLS, replication encryption, cluster bus encryption	tls
Defense in depth, protected mode, network hardening	hardening
Disabling dangerous commands via rename-command and ACL	rename-commands

Monitoring

Topic	Reference
INFO sections, critical metrics, diagnostic commands	metrics
Prometheus exporter setup, scrape configs	prometheus
Grafana dashboards, panel definitions, PromQL queries	grafana
Alert rules YAML (complete rule set)	alerting-rules
Threshold tuning, recording rules, Alertmanager routing	alerting-config
Commandlog (slow/large request/reply tracking)	commandlog

Performance

Topic	Reference
I/O threads config, when to enable, thread count	io-threads
maxmemory, eviction, encoding, fragmentation	memory
Latency diagnosis workflow, LATENCY DOCTOR, watchdog	latency
Durability vs performance spectrum, TCP tuning, client connection tuning, kernel tuning, 9.0 features	durability
Active defragmentation config and monitoring	defragmentation
Client-side caching (CLIENT TRACKING)	client-caching
valkey-benchmark, valkey-perf-benchmark, best practices	benchmarking

Troubleshooting

Topic	Reference
Out of memory: symptoms, diagnosis, resolution	oom
Replication lag: diagnosis, backlog, buffer tuning	replication-lag
Slow commands: commandlog, common culprits, fixes	slow-commands
Cluster partitions: network splits, recovery	cluster-partitions
7-phase runbook, fork latency, memory testing	diagnostics-runbook
Diagnostic commands, incident patterns, health script	diagnostics-commands

Upgrades

Topic	Reference
Version compatibility, RDB versions, feature matrix	compatibility
Redis to Valkey migration, 3 methods	migration
Rolling upgrades for Sentinel and Cluster	rolling-upgrade

Kubernetes

Topic	Reference
Official and Bitnami Helm charts, key values	helm
Official and Hyperspike operators, CRD examples	operators-overview
SAP operator, day-2 operations, choosing operators	operators-day2
StatefulSet PVCs, probes, resource sizing, PDB	statefulset-config
Complete StatefulSet manifest, common gotchas	statefulset-example
Kernel tuning, Docker/NAT, monitoring sidecars	tuning-k8s

Operations

Topic	Reference
Memory sizing, connection planning, cluster sizing	capacity-planning

Production Checklist

Topic	Reference
Pre-launch checklist: system, config, security, monitoring, backup, HA	production-checklist