# MemoryStore Database Service (MDS)

The vDB MemoryStore Database Service (MDS) includes the following familiar in-memory data stores:

* **Redis:** Versions 3.2, 4.0, 5.0, and 6.2.
* **Memcached:** Coming soon.

## Redis Standalone

Simple Redis deployment with 1 Master and up to 5 Replicas. Suitable for dev, staging, and moderate workloads.

* [Create MDS Instance](/vng-cloud-document/vdb/memorystore-database-service-mds/redis-standalone/khoi-tao-mds-instance.md)
* [Connect MDS Instance](/vng-cloud-document/vdb/memorystore-database-service-mds/redis-standalone/ket-noi-mds-instance.md)
* [Manage MDS Instance](/vng-cloud-document/vdb/memorystore-database-service-mds/redis-standalone/quan-ly-thong-tin-mds-instance.md)
* [Manage MDS Config Group](/vng-cloud-document/vdb/memorystore-database-service-mds/redis-standalone/quan-ly-cau-hinh-mds-instance.md)
* [Backup MDS Instance](/vng-cloud-document/vdb/memorystore-database-service-mds/redis-standalone/sao-luu-mds-instance.md)

## Redis Cluster

Redis deployment with High Availability, automatic failover, and vBackup integration. Suitable for production.

* [Redis Cluster](https://github.com/vngcloud/docs/blob/main/English/vdb/memorystore-database-service-mds/redis-cluster/redis-cluster.md) — Architecture and concepts
* [Create a Redis Cluster](https://github.com/vngcloud/docs/blob/main/English/vdb/memorystore-database-service-mds/redis-cluster/create-redis-cluster.md) — Step-by-step creation guide
* [Manage a Redis Cluster](https://github.com/vngcloud/docs/blob/main/English/vdb/memorystore-database-service-mds/redis-cluster/manage-redis-cluster.md) — Topology, scaling, backup, delete cluster


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.vngcloud.vn/vng-cloud-document/vdb/memorystore-database-service-mds.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.