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…Manage > Storage (#12754)

Co-authored-by: Christian Haudum <christian.haudum@gmail.com>
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grafanabot and chaudum authored Apr 23, 2024
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Expand Up @@ -9,53 +9,53 @@ You can read a high level overview of Loki storage [here](https://grafana.com/do

Grafana Loki needs to store two different types of data: **chunks** and **indexes**.

When using Accelerated Search (experimental), then a third data type is used: **bloom blocks**.

Loki receives logs in separate streams, where each stream is uniquely identified
by its tenant ID and its set of labels. As log entries from a stream arrive,
they are compressed as "chunks" and saved in the chunks store. See [chunk
they are compressed as **chunks** and saved in the chunks store. See [chunk
format](#chunk-format) for how chunks are stored internally.

The **index** stores each stream's label set and links them to the individual
chunks.

Refer to Loki's [configuration](https://grafana.com/docs/loki/<LOKI_VERSION>/configure/) for details on
how to configure the storage and the index.
chunks. Refer to Loki's [configuration](https://grafana.com/docs/loki/<LOKI_VERSION>/configure/) for
details on how to configure the storage and the index.

For more information:

- [Table Manager](https://grafana.com/docs/loki/<LOKI_VERSION>/operations/storage/table-manager/)
- [Retention](https://grafana.com/docs/loki/<LOKI_VERSION>/operations/storage/retention/)
- [Logs Deletion](https://grafana.com/docs/loki/<LOKI_VERSION>/operations/storage/logs-deletion/)

## Supported Stores
## Store Types

The following are supported for the index:
### ✅ Supported index stores

- [TSDB](https://grafana.com/docs/loki/<LOKI_VERSION>/operations/storage/tsdb/) index store which stores TSDB index files in the object store. This is the recommended index store for Loki 2.8 and newer.
- [Single Store (boltdb-shipper)](https://grafana.com/docs/loki/<LOKI_VERSION>/operations/storage/boltdb-shipper/) index store which stores boltdb index files in the object store.
- [Amazon DynamoDB](https://aws.amazon.com/dynamodb)
- [Google Bigtable](https://cloud.google.com/bigtable)
- [Apache Cassandra](https://cassandra.apache.org)
- [BoltDB](https://github.com/boltdb/bolt) (doesn't work when clustering Loki)
- [Single Store TSDB](https://grafana.com/docs/loki/<LOKI_VERSION>/operations/storage/tsdb/) index store which stores TSDB index files in the object store.
**This is the recommended index store for Loki 2.8 and newer.**
- [Single Store BoltDB (boltdb-shipper)](https://grafana.com/docs/loki/<LOKI_VERSION>/operations/storage/boltdb-shipper/) index store which stores boltdb index files in the object store.

The following are deprecated for the index and will be removed in a future release:
### ❌ Deprecated index stores

- [Amazon DynamoDB](https://aws.amazon.com/dynamodb). Support for this is deprecated and will be removed in a future release.
- [Google Bigtable](https://cloud.google.com/bigtable). Support for this is deprecated and will be removed in a future release.
- [Apache Cassandra](https://cassandra.apache.org). Support for this is deprecated and will be removed in a future release.
- [BoltDB](https://github.com/boltdb/bolt) (doesn't work when clustering Loki)

The following are supported and recommended for the chunks:
### ✅ Supported and recommended chunks stores

- [Amazon S3](https://aws.amazon.com/s3)
- [Google Cloud Storage](https://cloud.google.com/storage/)
- [Filesystem]({{< relref "./filesystem" >}}) (please read more about the filesystem to understand the pros/cons before using with production data)
- [Baidu Object Storage](https://cloud.baidu.com/product/bos.html)
- [IBM Cloud Object Storage](https://www.ibm.com/cloud/object-storage)
- [Amazon Simple Storage Storage (S3)](https://aws.amazon.com/s3)
- [Google Cloud Storage (GCS)](https://cloud.google.com/storage/)
- [Microsoft Azure Blob Storage](https://azure.microsoft.com/en-us/products/storage/blobs)
- [IBM Cloud Object Storage (COS)](https://www.ibm.com/cloud/object-storage)
- [Baidu Object Storage (BOS)](https://cloud.baidu.com/product/bos.html)
- [Alibaba Object Storage Service (OSS)](https://www.alibabacloud.com/product/object-storage-service)

The following are supported for the chunks, but not typically recommended for production use:
### ⚠️ Supported chunks stores, not typically recommended for production use

- [Filesystem]({{< relref "./filesystem" >}}) (please read more about the filesystem to understand the pros/cons before using with production data)
- S3 API compatible storage, such as [MinIO](https://min.io/)

The following are deprecated for the chunks and will be removed in a future release:
### ❌ Deprecated chunks stores

- [Amazon DynamoDB](https://aws.amazon.com/dynamodb). Support for this is deprecated and will be removed in a future release.
- [Google Bigtable](https://cloud.google.com/bigtable). Support for this is deprecated and will be removed in a future release.
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