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Downtime Migrations
Downtime Migrations
Replica promotion and slot migration keep production live through every Redis version cutover.
24/7
Managed Support
Managed Support
Memory, replication lag, and eviction spikes are resolved before they reach your application layer.
99.99%
Availability Goals
Availability Goals
Sentinel, Cluster failover, and persistence are tuned for availability under real failure conditions.
Redis 8.x
Upgrade Ready
Upgrade Ready
Deprecated commands scanned, modules migrated, and RESP3 validated before production is touched.
Redis 6 and 7.x End-of-Life and Why Upgrades Matter
Redis 6 and Redis 7.0 are fully end-of-life with no active patches of any kind. Known vulnerabilities in these versions have no official remediation path.
Redis 7.2 is on security-maintenance only, no bug fixes, no new features. When the next major Redis version ships and Redis 7.4 becomes the previous-stable release, Redis 7.2 loses its remaining patch support entirely.
Running an EOL or maintenance-only Redis version in production means accepting security exposure without an official fix pipeline. The cost of a planned upgrade is always lower than the cost of an unplanned incident response.
Why Upgrade to the Latest Redis Version
No patches after EOL
Once your Redis version is no longer in the supported tier, known CVEs get no official fix. Redis 6 and Redis 7.0 are already in that position. Redis 7.2 is one major release away from the same outcome.
Built-in types replace external modules
Redis 8.x ships JSON, vector search, time series, and probabilistic data structures (Bloom filters, Cuckoo filters) natively. Redis 7.x required separate RedisStack modules with independent versioning and maintenance. Upgrading removes that dependency layer.
Real performance gains
Batched prefetch for MGET, MSET, and HGETALL, jemalloc allocator improvements, and Hyperloglog optimisations that affect real production throughput, not synthetic benchmarks.
Stronger security configuration
Native ACL and RBAC in Redis 8.x is significantly more granular than Redis 7.x. Smaller default attack surface and cleaner access control mapping for multi-team environments.
AI and vector search workloads need Redis 8.x
Native vector similarity search (HNSW indexing, FT.HYBRID, VectorSets) is available only in Redis 8.x. This is the path for applications adding AI-powered search or retrieval-augmented generation on top of existing Redis infrastructure.
Managed cloud Redis alignment
ElastiCache, Azure Cache for Redis, and Google Cloud Memorystore have all moved to Redis 8.x as their default engine. Staying on Redis 7.x or Redis 6 creates a version gap between your self-hosted and managed environments.
Redis Version Upgrade Service: Roadmap by Version
Direct upgrades are only supported between consecutive major versions; skipping versions is not supported. The path from your current version determines the number of hops required.
Upgrade Redis 6 to Redis 8.x
Redis 6 is fully end-of-life. Because consecutive-version upgrades are required, the path runs in three hops: Redis 6 → Redis 7.2 → Redis 7.4 → Redis 8.x. Each hop requires its own staging validation before the next begins. Key areas across the full path: ACL configuration changes introduced in Redis 6 and extended in 7.x and 8.x, RESP protocol handling, and deprecated command removal across each version boundary.
Upgrade Redis 7.0 to Redis 8.x
Redis 7.0 is fully end-of-life with no active patches. The path runs: Redis 7.0 → Redis 7.2 → Redis 7.4 → Redis 8.x. Key validation areas at each hop: Lua scripting sandbox behaviour changes, client library compatibility, and commands deprecated or removed between versions.
Upgrade Redis 7.2 to Redis 8.x
The most common Redis version upgrade we handle. Path: Redis 7.2 → Redis 7.4 → Redis 8.x. Key areas: RedisStack module migration to native Redis 8.x types, changed command options, and RESP3 client-side validation. Redis 7.2 is currently on security-maintenance only with no bug fixes; planning this upgrade now avoids doing it under pressure.
Upgrade Redis 7.4 to Redis 8.x
Single-hop upgrade. Lowest-risk path in the Redis 7 family. Small version gap, clean client library support. Primary work is module consolidation and configuration review.
No matter what Redis version you work on, we help you upgrade to the latest Redis version with no data loss.
Experience Expert-led Redis Version Upgrade Services
Enterprise Redis modernisation and
managed support
services.
Redis Version Upgrade Execution
From Redis 6 to Redis 8.x migration, covering every intermediate hop. Redis upgrade planning, compatibility analysis, deprecated command scan, rollback strategy, and production cutover support for Redis 6, Redis 7.0, Redis 7.2, Redis 7.4, and newer versions. Every Redis version upgrade is scoped against your actual environment, not a generic checklist.
Zero-Downtime Migration
Migrate Redis to the latest version without your application ever going offline. Mission-critical workloads, including session stores, rate limiters, job queues, and real-time data, are moved with phased execution, dual-write logic, and validation at each stage. The right approach for teams that cannot afford a Redis upgrade downtime window.
Redis Cluster and HA Setup
Enterprise-grade Redis Cluster setup for horizontal scale-out or Redis Sentinel configuration for automatic failover, built for production from day one. Covers shard allocation, Sentinel quorum sizing, client configuration, and failover testing in staging before any production sign-off.
Performance Optimisation
Redis performance tuning using SLOWLOG, LATENCY HISTORY, and MEMORY DOCTOR across your environment. Targeted fixes for eviction misconfiguration, large key fragmentation, slow commands, persistence I/O contention, and network topology issues. Every fix is implemented and validated against real production metrics.
Security Hardening
Redis security configuration covering ACL and RBAC, TLS in-transit encryption, bind and protected mode settings, and authentication review. For Redis 8.x upgrades, native RBAC is configured as part of the service. Delivered with a written Redis security checklist, your team keeps engagement close.
Persistence and Disaster Recovery
Redis persistence configuration designed around your RPO: RDB for cache workloads, AOF for application state, RDB+AOF for transactional data. Redis backup and recovery validated against a test environment. Recovery time is documented for single-node failure, cluster failure, and accidental deletion scenarios.
Experience Expert-led Redis Version Upgrade Services
Enterprise Redis modernisation and managed support services.
Redis Version Upgrade Execution
From Redis 6 to Redis 8.x migration, covering every intermediate hop. Redis upgrade planning, compatibility analysis, deprecated command scan, rollback strategy, and production cutover support for Redis 6, Redis 7.0, Redis 7.2, Redis 7.4, and newer versions. Every Redis version upgrade is scoped against your actual environment, not a generic checklist.
Zero-Downtime Migration
Migrate Redis to the latest version without your application ever going offline. Mission-critical workloads, including session stores, rate limiters, job queues, and real-time data, are moved with phased execution, dual-write logic, and validation at each stage. The right approach for teams that cannot afford a Redis upgrade downtime window.
Redis Cluster and HA Setup
Enterprise-grade Redis Cluster setup for horizontal scale-out or Redis Sentinel configuration for automatic failover, built for production from day one. Covers shard allocation, Sentinel quorum sizing, client configuration, and failover testing in staging before any production sign-off.
Performance Optimisation
Redis performance tuning using SLOWLOG, LATENCY HISTORY, and MEMORY DOCTOR across your environment. Targeted fixes for eviction misconfiguration, large key fragmentation, slow commands, persistence I/O contention, and network topology issues. Every fix is implemented and validated against real production metrics.
Security Hardening
Redis security configuration covering ACL and RBAC, TLS in-transit encryption, bind and protected mode settings, and authentication review. For Redis 8.x upgrades, native RBAC is configured as part of the service. Delivered with a written Redis security checklist, your team keeps engagement close.
Persistence and Disaster Recovery
Redis persistence configuration designed around your RPO: RDB for cache workloads, AOF for application state, RDB+AOF for transactional data. Redis backup and recovery validated against a test environment. Recovery time is documented for single-node failure, cluster failure, and accidental deletion scenarios.
Our Approach: How We Execute Redis Upgrades
Phase 1: Environment Audit (Days 1-3)
We document your Redis version, topology (standalone, Sentinel, or Cluster), persistence configuration, memory profile, slow log, key space, and client library versions. We identify any Lua scripts, RedisStack module dependencies, or custom commands.
Phase 2: Compatibility Analysis (Days 3-5)
We map your command usage and configuration against breaking changes between your version and Redis 8.x. Every changed command, removed option, and client library version that needs updating is documented. Output: a written compatibility gap report.
Phase 3: Upgrade Runbook (Days 5-7)
Step-by-step runbook for your topology: exact operation sequence, expected outputs, validation checks, rollback triggers, and full rollback procedure. Reviewed with your team before staging begins.
Phase 4: Staging Validation (Days 7-14)
Full upgrade against your staging environment, validated against your application test suite. Nothing goes to production without a clean staging pass.
Phase 5: Production Cutover
Replica promotion for standalone and Sentinel topologies, typically with under 60 seconds of downtime. Slot migration for Redis Cluster, zero downtime. We stay on a live call with your team throughout cutover and initial validation.
Phase 6: Post-Upgrade Monitoring (48–72 Hours)
We monitor memory, replication lag, eviction rate, and slow log post-cutover. Engagement closes with a written handover document covering what changed, how to validate health, and what to watch for next.
Our Approach: How We Execute Redis Upgrades
From environment audit through post-upgrade monitoring, every phase is documented, validated, and executed with a written runbook and rollback procedure.
Phase 1: Environment Audit (Days 1-3)
We document your Redis version, topology (standalone, Sentinel, or Cluster), persistence configuration, memory profile, slow log, key space, and client library versions. We identify any Lua scripts, RedisStack module dependencies, or custom commands.
Phase 2: Compatibility Analysis (Days 3-5)
We map your command usage and configuration against breaking changes between your version and Redis 8.x. Every changed command, removed option, and client library version that needs updating is documented. Output: a written compatibility gap report.
Phase 3: Upgrade Runbook (Days 5-7)
Step-by-step runbook for your topology: exact operation sequence, expected outputs, validation checks, rollback triggers, and full rollback procedure. Reviewed with your team before staging begins.
Phase 4: Staging Validation (Days 7-14)
Full upgrade against your staging environment, validated against your application test suite. Nothing goes to production without a clean staging pass.
Phase 5: Production Cutover
Replica promotion for standalone and Sentinel topologies, typically with under 60 seconds of downtime. Slot migration for Redis Cluster, zero downtime. We stay on a live call with your team throughout cutover and initial validation.
Phase 6: Post-Upgrade Monitoring (48–72 Hours)
We monitor memory, replication lag, eviction rate, and slow log post-cutover. Engagement closes with a written handover document covering what changed, how to validate health, and what to watch for next.
Redis Support Packages
Essential Support
Advanced Managed Support
Enterprise Managed Services
Frequently Asked Questions
Everything you need to know before choosing us.
End-to-end delivery of a Redis version upgrade in production: environment audit, compatibility analysis, runbook, staging validation, production cutover, and post-upgrade monitoring. Ksolves handles all stages, so your team does not need to build that expertise in-house.
We handle Redis version upgrades from Redis 5.0, 6.0, 6.2, 7.0, 7.2, 7.4, 8.0, 8.2, and 8.4 to the current Redis 8.x release. The path and timeline depend on your version gap and topology.
Yes. Replica promotion gives a sub-60-second cutover for standalone and Sentinel topologies. Redis Cluster slot migration is zero-downtime. The right approach is determined during the audit phase based on your replication configuration and client library.
10 to 15 business days preparation for a standard topology. Production cutover under two hours. Redis Cluster environments typically take 3 to 4 weeks total. Preparation is where upgrade risk lives; we do not compress it.
Redis 7.2 is in the maintenance-only tier with no bug fixes. Its security patch support depends on remaining in the previous-stable position; once the next major Redis release ships, 7.2 loses that position. Planning an upgrade now, on your schedule, is significantly lower risk than doing it under pressure.
Redis 8.x integrates RediSearch, RedisJSON, RedisTimeSeries, and RedisBloom natively. The upgrade removes the external module configuration, and we validate that your command usage maps correctly to the native 8.x equivalents. This compatibility mapping is handled as part of the assessment.
Yes. We cover Redis version upgrades and managed support for ElastiCache, Azure Cache for Redis, and Google Cloud Memorystore in addition to self-hosted Redis Open Source environments.
Yes. Rolling node replacement maintains cluster availability throughout. Topology documentation and shard validation are included in the audit phase.
Yes. Ksolves delivers Redis upgrade services for enterprises across the US, UK, Europe, and APAC. For US environments with SOC 2, HIPAA, or PCI-DSS requirements, we include a security configuration review and compliance documentation package as part of the upgrade engagement.
Ksolves is a technology services company specialising in Redis Open Source environments. We do not resell Redis Ltd. commercial products.