# Amazon ElastiCache vs etcd

| Attribute | Amazon ElastiCache | etcd |
|---|---|---|
| **Vioscale score** | 63.1 (61% (medium)) | 63.7 (44% (low)) |
| activity.commits_last_30d | - | 96 |
| adoption.dependent_repos | - | 39,452 |
| adoption.github_stars | - | 52,178 |
| deployment.options | `{"cloud":true}` | `{"self_hosted":true}` |
| description.long | An AWS-hosted caching platform that provides ultra-low latency access to frequently used data with support for Valkey, Memcached, and Redis-compatible APIs. It automatically manages infrastructure, scales elastically to handle billions of requests per second, and eliminates downtime during maintenance. | etcd is a strongly consistent, distributed key-value store that provides a reliable way to store data that needs to be accessed by a distributed system or cluster of machines. It gracefully handles leader elections during network partitions and can tolerate machine failure. |
| features.capabilities | `{"clustering":"replicated","deployment":"managed","consistency":"eventual","persistence":"snapshot","eviction_ttl":true,"storage_tier":"in_memory","licence_class":"source_available","wire_protocol":"resp","pubsub_streams":true,"data_structures":"rich_types","redis_api_compat":"full"}` | `{"clustering":"consensus","deployment":"self_hosted","consistency":"strong","persistence":"append_log","eviction_ttl":true,"storage_tier":"persistent","licence_class":"permissive","wire_protocol":"grpc","pubsub_streams":true,"data_structures":"rich_types","redis_api_compat":"none"}` |
| integrations.count | - | 80 |
| integrations.list | - | `[{"name":"Kubernetes"},{"name":"Vitess"},{"name":"fleet"},{"name":"Docker"},{"name":"Puppet"},{"name":"confd"},{"name":"AWS ECS"},{"name":"SkyDNS"},{"name":"discodns"},{"name":"Hiera"},{"name":"Chef"},{"name":"BOSH"},{"name":"etcdctl"},{"name":"etcd-backup"},{"name":"etcd-dump"},{"name":"etcd-fs"},{"name":"etcd-browser"},{"name":"etcd-console"},{"name":"etcd-viewer"},{"name":"etcdtool"},{"name":"etcd-rest"},{"name":"etcdsh"},{"name":"etcdloadtest"},{"name":"etcd-workbench"},{"name":"Apache Celix"},{"name":"ZeroMQ"},{"name":"CoreOS"},{"name":"MySQL"},{"name":"GPG"}]` |
| language.primary | - | Go |
| license.spdx | - | Apache-2.0 |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true}` |
| pricing | `{"type":"usage","plans":[{"free":true,"name":"Serverless","summary":"From $6/month for Valkey; pay for data stored and compute used","features":["Zero infrastructure management","Zero downtime maintenance","Automatic scaling","Multiple service tiers (Standard, Flex, Priority, Reserved)"],"description":"Pay-for-use model with automatic scaling","contactSales":false}],"summary":"From $6/month (Valkey). Usage-based pricing; free tier available.","currency":"USD","freeTier":true,"sourceUrl":"https://aws.amazon.com/bedrock/pricing/?nc2=h_pr_br","retrievedAt":"2026-08-14T21:36:45.380Z","billingPeriods":["month"]}` | `{"type":"open_source","freeTier":false,"sourceUrl":"https://etcd.io","retrievedAt":"2026-08-14T16:38:34.813Z"}` |
| pricing.free_tier | yes | no |
| pricing.model | freemium | open_source |
| pricing.price_level | low | free |
| pricing.transparent | yes | yes |
| release.history | - | `[{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.7.1","date":"2026-07-23T19:37:53Z","type":"stable","version":"v3.7.1"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.6.14","date":"2026-07-23T19:29:31Z","type":"stable","version":"v3.6.14"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.5.33","date":"2026-07-23T19:12:21Z","type":"stable","version":"v3.5.33"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.7.0","date":"2026-07-08T18:26:53Z","type":"stable","version":"v3.7.0"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.6.13","date":"2026-07-01T20:43:27Z","type":"stable","version":"v3.6.13"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.5.32","date":"2026-07-01T20:32:19Z","type":"stable","version":"v3.5.32"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.7.0-rc.0","date":"2026-06-01T21:27:32Z","type":"prerelease","version":"v3.7.0-rc.0"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.6.12","date":"2026-06-01T20:59:07Z","type":"stable","version":"v3.6.12"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.5.31","date":"2026-06-01T20:46:06Z","type":"stable","version":"v3.5.31"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.4.45","date":"2026-06-01T20:35:12Z","type":"stable","version":"v3.4.45"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.7.0-beta.0","date":"2026-05-19T20:02:08Z","type":"prerelease","version":"v3.7.0-beta.0"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.6.11","date":"2026-05-01T18:55:08Z","type":"stable","version":"v3.6.11"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.5.30","date":"2026-05-01T18:46:50Z","type":"stable","version":"v3.5.30"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.4.44","date":"2026-05-01T18:38:42Z","type":"stable","version":"v3.4.44"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.6.10","date":"2026-04-01T18:34:55Z","type":"stable","version":"v3.6.10"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.5.29","date":"2026-04-01T18:29:01Z","type":"stable","version":"v3.5.29"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.4.43","date":"2026-04-01T18:23:35Z","type":"stable","version":"v3.4.43"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.6.9","date":"2026-03-20T18:08:59Z","type":"stable","version":"v3.6.9"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.5.28","date":"2026-03-20T17:41:08Z","type":"stable","version":"v3.5.28"},{"url":"https://github.com/etcd-io/etcd/releases/tag/v3.4.42","date":"2026-03-20T17:04:27Z","type":"stable","version":"v3.4.42"}]` |
| reliability.sla_pct | 99.99 | - |
| reliability.status_page | yes | - |
| security.disclosure_policy | yes | - |
| security.fedramp | yes | - |
| security.gdpr | yes | - |
| security.hipaa | yes | - |
| security.pci | yes | - |
| security.scorecard | - | 6.7 |
| security.vulnerabilities | - | `{"count":8,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=go.etcd.io%2Fetcd&per_page=100","last_12m":3,"max_severity":"HIGH"}` |

## Capabilities (Key-Value Stores)

| Capability | Amazon ElastiCache | etcd |
|---|:--:|:--:|
| **Storage** |  |  |
| Storage tier | In-memory | Persistent |
| Persistence | Snapshot (RDB) | Append-only log |
| Data structures | Rich types | Rich types |
| **Protocol** |  |  |
| Wire protocol | RESP (Redis) | gRPC |
| **Distribution** |  |  |
| Clustering | Replicated | Consensus (Raft) |
| Consistency | Eventual | Strong |
| **Ops** |  |  |
| Eviction / TTL policies | ✓ | ✓ |
| Multi-threaded | - | - |
| Pub/Sub / streams | ✓ | ✓ |
| Transactions / atomic ops | - | - |
| **Deployment** |  |  |
| Deployment | Managed | Self-hosted |
| **Licensing** |  |  |
| Licence class | Source-available | Permissive OSS |
| **Compatibility** |  |  |
| Redis API compatibility | Full | None |

*Source: Vioscale. Generated 2026-09-01T17:25:59.286Z. "-" = undocumented, not absent.*