![]() ![]() Azure Storage AccountĪn Azure storage account contains all of your Azure Storage data objects: blobs, file shares, queues, tables, and disks. The boltdb-shipper aims to support clustered deployments using boltdb as an index. It is not replicated and thus cannot be used for high availability or clustered Loki deployments, but is commonly paired with a filesystem chunk store for proof of concept deployments, trying out Loki, and development. BoltDBīoltDB is an embedded database on disk. This can be controlled via the provisioning configs in the table manager. Rate LimitingĭynamoDB is susceptible to rate limiting, particularly due to overconsuming what is called provisioned capacity. It is a good candidate for a managed index store, especially if you’re already running in AWS. DynamoDBĭynamoDB is a cloud database offered by AWS. It is a good candidate for a managed index store if you’re already using it (due to it’s heavy fixed costs) or wish to run in GCP. BigTableīigtable is a cloud database offered by Google. It’s a good candidate when you already run Cassandra, are running on-prem, or do not wish to use a managed cloud offering. CassandraĬassandra can also be utilized for the index store and aside from the boltdb-shipper, it’s the only non-cloud offering that can be used for the index that’s horizontally scalable and has configurable replication. ![]() The single store configurations for Loki utilize the chunk store for both chunks and the index, requiring just one store to run Loki.Īs of 2.0, this is the recommended index storage type, performance is comparable to a dedicated index type while providing a much less expensive and less complicated deployment. Implementations - Index Single-StoreĪlso known as “boltdb-shipper” during development (and is still the schema store name). You may use any substitutable services, such as those that implement the S3 API like MinIO. You can authenticate Blob Storage access by using a storage account name and key or by using a Service Principal. It is a good candidate for a managed object store, especially when you’re already running on Azure, and is production safe. Azure Blob Storageīlob Storage is Microsoft Azure’s hosted object store. It is a good candidate for a managed object store, especially when you’re already running on AWS, and is production safe. It is similar in concept to many Prometheus deployments where a single Prometheus is responsible for monitoring a fleet. This is common for single binary deployments though, as well as for those trying out loki or doing local development on the project. The file system is the simplest backend for chunks, although it’s also susceptible to data loss as it’s unreplicated. ![]() It is a good candidate for a managed object store, especially when you’re already running on GCP, and is production safe. GCS is a hosted object store offered by Google. Implementations - Chunks CassandraĬassandra is a popular database and one of Loki’s possible chunk stores and is production safe. Some more storage details can also be found in the operations section. More detailed information can be found on the operations page. This index type only requires one store, the object store, for both the index and chunks. Loki 2.0 brings an index mechanism named ‘boltdb-shipper’ and is what we now call Single Store Loki. Until Loki 2.0, index data was stored in a separate index. Simplifies the operation and significantly lowers the cost of Loki. A small index and highly compressed chunks Is then compressed and stored in chunks in object stores such as S3 or GCS, orĮven locally on the filesystem. Metadata about your logs: labels (just like Prometheus labels). Unlike other logging systems, Grafana Loki is built around the idea of only indexing ![]()
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